Installing Steel Liner Panels in an Existing Pole Barn Reader JASON in WHITEHOUSE STATION writes: “ Hello! I have a post frame 30X40 Pole Barn that was built prior to me owning the house. Currently, the shop is not insulated. I would really like to insulate it, as it’s quite unbearable in the summer and […]

This week the Pole Barn Guru answers reader questions about the design of a shouse (shop house), a resolutions for condensation, and building trusses. DEAR POLE BARN GURU: Hi – We are looking into pole barn buildings however we’re clueless on where to start and how big we actually need it to be. My husband […]

Today’s Pole Barn Guru answers reader questions about a frustrating shopping experience, use of a sealant around embedded posts, and best method for a vapor barrier under concrete. DEAR POLE BARN GURU: Hello my husband and I have been pre-approved to finance a pole barn and I am becoming very FRUSTRATED. We have called “Oscar […]

This week the Pole Barn Guru answers reader questions about ventilation for an attic space, what type of insulation to use for the reduction or elimination of moisture, and to place a vapor barrier under the concrete slab. DEAR POLE BARN GURU: I know you have answered a few questions regarding attic venting so I […]

Reader BRANDON in WICHITA writes: “Hello Mike!  I am in the engineering field and we are just about to put up a personal climate controlled post frame building.  I have followed many of the teachings of Dr. Lstiburek on wall and roof assemblies.  I also enjoy your very detailed write ups.  I am conflicted in […]

Today’s BONUS Round of PBG discusses backfill compaction, finding an engineer to draw blueprints for a building of reclaimed wood, and the ins and outs of insulation. DEAR POLE BARN GURU: I have 18” diameter x 60” deep pits for 6×6 posts. My backfill material and method is ¾”less gravel with every 8” compacted. But how to […]

This Monday’s questions are addressing the issues of ventilation with gable vents, the use of plasti-sleeves to protect posts, and the cost per square foot of a post frame home. DEAR POLE BARN GURU: My dad has a 40 x 60 pole building. It has 18″ eaves but the soffits are non vented. The building […]

Cool roofs are roofing systems creating higher solar reflectance and thermal emittance than standard roofing products. Solar reflectance is a process where a roof reflects the sun’s UV and infrared rays, reducing the total amount of heat transferred to a building or home. Thermal emittance is a roof’s ability to radiate absorbed and non-reflected solar […]

This Monday the Pole Barn Guru answers reader questions about building on a slab or with a crawl space, insulation for a shop, and if a person is able to build near a leach field. DEAR POLE BARN GURU: I appreciate the building technology used when building a residential pole barn. I am not yet […]

Whole House Barndominium Fans Apparently when it comes to barndominiums, there is a limitless number of subjects to cover! Reader CAROLYN in CLEVELAND writes: “We would like to build a post frame home but I would like to have a whole house fan to cut down on cooling costs. Most barndos we see under construction […]

Today’s Pole Barn Guru answers questions about building a garage apartment aka a “Shouse,” how to address a moisture problem, and the best way to add insulation to a ceiling. DEAR POLE BARN GURU: Can I design a garage apartment pole barn? JAY in HINTSVILLE DEAR JAY: You may not have this ability however we […]

This week the Pole Barn Guru answers questions about a raised floor over a crawl space, purchase of engineer sealed plans, and moisture issues in an above ground pool house. DEAR POLE BARN GURU: Appreciate all the information on your website very awesome it’s a lot to take in we are thinking of building a […]

We are in an era where climate control of brand new post frame buildings is extremely common. It is also much easier to insulate (or plan for it) at time of construction, rather than having to go back and do it afterwards.  For new post frame buildings, here is my Ultimate Guide to Post Frame […]

Today’s Pole Barn Guru answers questions about building a two story pole barn house, condensation in a car storage building, and how to build a post frame house with a concrete basement. DEAR POLE BARN GURU: We are wanting to build a 2 story pole barn house, it will have an upstairs loft. Would the […]

Should My Barndominium Ceiling Have a Vapor Barrier? With barndominiums, shouses (shop/house) and post frame homes becoming immensely popular, I have been learning more than I ever thought I wanted to learn about them. Rather than me just spewing on, today’s expert advice comes courtesy of building scientist Joe Lstiburek. Plastic vapor barriers should only […]

Condensation Above Metal Building Roof Insulation Only those few long time readers or those who had time on their hands and have read every blog I ever wrote will recall this story about my adventures with metal building roof insulation: https://www.hansenpolebuildings.com/2011/11/metal-building-insulation-in-pole-buildings-part-i/. Reader JOSH in CORVALLIS is having issues with how metal building insulation is (or […]

This week the Pole Barn Guru answers reader questions about concrete pylon sizes, how to best finish and insulate an existing structure, and the best plastic for drainage. DEAR POLE BARN GURU: What size do the concrete pylons need to be for a 24×36 building with an 11’ roof peak to be used for storage. […]

This week the Pole Barn Guru answers questions about the price per square foot for a hangar, the proper post treatment for in ground use, and use of XPS insulation between steel and wall posts. DEAR POLE BARN GURU: What is the approximate price per square foot for a 62 x 130 t hangar? KENNETH […]

Today’s Pole Barn Guru answers questions about “proper wall girt spacing,” enclosing and insulating a roof only building, and if a post frame meets code in Dade County Florida. DEAR POLE BARN GURU: I just contacted a contractor to build my pole barn and he said 2 x4 wall girts at 36″ I don’t think […]

This week the Pole Barn Guru answers questions about “plans only” purchases, proper use of moisture barriers when adding insulation to an existing building, as well as the possibility or building a two story post frame house. DEAR POLE BARN GURU: Do you offer just the plans? I own a sawmill and would like to […]

Ganged Wood Trusses and Closed Cell Spray Foam Post Frame Condensation Control Ganged wood trusses are most usually two individually fabricated metal connector plated roof trusses, fastened together with either nails or even better Simpson Drive Screws (https://www.hansenpolebuildings.com/2017/03/simpson-drive-screws/), so they work together as a conjoined pair. True doubled trusses (not two single trusses spaced apart […]

Flash-and-Batt Insulating Barndominium Walls We’re in a seemingly never ending cycle of racing towards net zero post frame homes, shouses (shop/houses) and barndominiums (read more on net zero post frame here: https://www.hansenpolebuildings.com/2019/01/net-zero-post-frame-homes/).  One possible design solution involves what is known as “flash-and-batt” where two inches of closed cell spray foam insulation is applied to steel […]

Concrete: Cured or Dried? Recently I posted an article in regards to finishing a concrete slab-on-grade. I admit to knowing slightly more about concrete than I do about plumbing. Muy poquito – one of the few Spanish terms I can actually pronounce (and have used all too frequently when visiting South America). For those of […]

On Facebook I am a member of a discussion group for Pole and Post frame building professionals only. Recently one of our group members posed a question, “What are the extras you do to set yourself apart”? It was only then I realized there are some significant differences between a Hansen Pole Building and other […]

Solving Yet Another Post Frame Condensation and Insulation Challenge Long time loyal readers will sigh as yet another post frame building has been erected without thoughts to how to properly insulate and control condensation. Had our new friend invested in a Hansen Pole Building, chances are good we would not be having this question and […]

Pole Barn Guru’s Ultimate Guide to Post Frame Building Insulation When it comes to insulating any building (not just post frame ones – like barndominiums) there is a certain point of diminishing returns – one can spend so much they will never, in their lifetimes, recoup their investment. Here my ultimate guide to post frame […]

Today the Pole Barn Guru answers questions about contact information to build a structure, whether or not to use a moisture barrier in a non-conditioned attic, and guidance to insulate a post frame building. DEAR POLE BARN GURU: Hello, I have a quick question, do you have any regional contact information for people to build […]

Back in my 1990’s post frame building contractor days, we constructed a shop for a client near Moscow, Idaho. We probably didn’t ask enough questions up front and our client didn’t provide enough information to adequately prevent what was initially quite a challenge. After we had completed construction of this building’s shell, our client poured […]

This Monday the Pole Barn Guru answers questions about use of faced or unfaced insulation, the correct screw pattern, and viability of connecting two buildings together. DEAR POLE BARN GURU: Should I use faced or unfaced insulation in my pole barn attic w/ ridge vent? DAINE in PALMER DEAR DAINE: In order for your ridge […]

This week the Pole Barn Guru discusses ag exemptions for building permits, the effect of spacing trusses at 12′ or more, and concrete vapor barriers. DEAR POLE BARN GURU: Do I have to have a permit to build one poll barn on Ag land? DANIEL in PIERSON DEAR DANIEL: Many jurisdictions nationwide exempt true agricultural […]

This Monday the Pole Barn Guru answers questions about roof trusses at 4′ o.c., ways to solve condensation issues, and sliding door options. DEAR POLE BARN GURU: My question is I just purchased some roof trusses that are 32 feet long heel to heel they are constructed with 2 by 4s can I put these […]

Volatile Organic Compound Ratios Today’s guest blogger is Cheryl Barneski. Cheryl’s background is as an Owner Operator Long Haul Division of the Class 8 Industry. CDL END X or HazMat and Tanks. She is a Certified Hole Watch, Lock Out, Tag Out Safety Watch in Chemical Plants and is also Certified Entry Level I.S.O Meter […]

Today’s Pole Barn Guru answers questions about siding materials, fascia boards and gable vents. DEAR POLE BARN GURU: If a house or pole barn has metal on the outside does it still need plywood or OSB sheathing under the metal? GARY in JESUP DEAR GARY: Provided steel siding and/or roofing has an ability to withstand […]

Post frame (pole barn) building condensation problems are a re-occurring theme. With proper design and planning, condensation should not occur, however more often than not this is a penny wise, pound foolish event – caused by post frame building providers (either builders or vendors) not advising new building owners of possible challenges. Reader JEFF in […]

In my past life I lived with my family in Oregon’s Willamette Valley. Hot summer days filled with sunshine were about as rare as access to nearby lakes – close to zero. Having grown up spending summers at my maternal grandparents’ lake cabin, swimming has always been part of my life. A frequently told fable […]

This week the Pole Barn Guru answers questions about roof pitch on a mono-truss, issues with moisture in Florida, and a reader in need of steel replacement panels. DEAR POLE BARN GURU: Designing 40 foot MONO trusses for a 200 foot long building and want to know what the pitch should be in North East […]

This week the Pole Barn Guru answers questions about vapor barrier, a solution for skylights, and how to reduce frost heave. DEAR POLE BARN GURU: Vapor barrier under roof metal or under trusses with insulation on top? I find never-ending opinions about where to place vapor barrier in a post frame building. If the space […]

Condensation and moisture issues in any building can be problematic. No one purposely designs a building with an idea to have dripping from under roof condensation, or mold and mildew from trapped moisture. Hansen Pole Buildings’ client and loyal reader KURT in SAINT HELENS writes: “Hello, Question about roof insulation. Plan on insulating 2″ double-laminated […]

Proper insulation provisions seem to be one of the least considered items when it comes to post frame (pole building) planning. Here is a case in point from reader JOHN in BEND: “We have just built a 32’ x 48’ pole building with commercial GIRT construction, metal siding, 4/12 pitch metal roof, concrete floor, 12 […]

Storage of Steel Roofing and Siding at the Job site  All steel roofing and siding panel bundles are inspected and approved by manufacturer’s quality control inspectors before shipment. Inspect panels for any moisture content or shipping damage upon delivery and advise the materials carrier immediately. Bare (non-painted) Galvalume sheet, like galvanized, is subject to wet […]

General Material Storage I have recently signed up to join several barndominium groups on Facebook. If you are unfamiliar with this term, here is a detailed explanation: https://www.hansenpolebuildings.com/2016/04/the-rise-of-the-barndominium/. Overnight I have had an ‘ah-ha’ moment where a light bulb turned on and I decided to take a plunge. I am going to write at least […]

Today the Pole Barn Guru answers questions regarding a post frame addition, passing the “muster” of California’s building codes, and ventilation of attic space with spray foam. DEAR POLE BARN GURU: Hi. We are wanting to attach a monitor style barn to an existing stick build for additional residential use. Is this tie-in possible? Thank […]

R Panel Gable Vents “R” steel roofing and siding panels are typically used on all steel buildings where larger spans occur between wall girts and roof purlins. With a three foot width net coverage, these panels have a 1-1/4 inch tall high rib every 12 inches with two low stiffener ribs between. R panels do […]

I happen to live in a post-frame home. It was designed to be lived in from day one, so we did not face obstacles in having to convert a pole barn. Reader DAN in SIDNEY writes: “I have an existing pole barn that has no current foundation. It looks like 6×6 pt poles right into […]

This is the third year the Pole Barn Guru blog has been in competition for the Best Construction Blog. Last year this blog was second in the world, tying for first in quality, however losing the popular vote. Part of this process is a review of each blog by Mark Buckshon of Construction Marketing Ideas […]

Today the Pole Barn Guru answers questions about, condensation, ground Water, and an overhead door size. DEAR POLE BARN GURU: Good morning, My name is Brett and about to complete my Hansen Pole building. I have having issues with condensation from my metal roof given the recent freezing weather. I do have a vapor barrier, […]

Today the Pole Barn Guru assists reader with wiring a winch, vapor barriers for a floor, and floor sealant. DEAR POLE BARN GURU: Do you know how to wire ATV warn winch to make electric winch boxes? MAX in SPOKANE DEAR MAX: Thanks to magical miracles of internet and Google here is where you can […]

Today the Pole Barn Guru discusses a post frame addition to a house, whether or not one should use a plastic barrier under the stone floor in a steel building, and the ability of a truss carrier to handle imposed loads. DEAR POLE BARN GURU: Hi! We are considering a sizeable addition to our 600 […]

Today the Pole Barn Guru answers questions about adding a garage door wall to a hoop shed, ventilation with no sidewall overhangs, and how post frame buildings are “anchored” to the ground. DEAR POLE BARN GURU: I would like to close the open 1/2 of the basketball court hoop shed with a pole building face. […]

This story is sad, to me. As post frame building “experts” we (an industry collective we) owe it to our clients to educate them at design phase to avoid a situation such as reader ERIC in SPOKANE VALLEY has become happily (or maybe less happy) involved in. Eric writes: “I want to start insulating my […]

Long time readers should be thoroughly drenched with solutions to condensation issues by now. As post frame construction has moved off farms and into suburbia, climate control has brought with it a plethora of condensation challenges. Reader KRYSTA in SPOKANE writes: “Hello!  I have a pre-existing pole building that I am having a ton of […]

The Pole Barn Guru discusses the always popular ceiling insulation, vapor barriers with insulation, and closed cell spray foam insulation. DEAR POLE BARN GURU: I read your article on unvented roofs. My building has a vapor barrier installed. I am at the point of insulation and plan on doing closed cell spray foam. What would […]

Vapor Barriers Trap Moisture? Do vapor barriers trap moisture in walls of post frame buildings? They can, but only if they are installed on both sides of a wall insulation cavity. Regular readers of this column will recognize a prevailing trend towards climate controlling both new and existing post frame buildings. An ability to control […]

Today the Pole Barn Guru fields questions on electrical planning, moisture issues, and ceiling barriers. DEAR POLE BARN GURU: Good Morning/Evening:     I currently have a 36′ wide x 48′ long with 12′ tall ceiling pole barn that I would like wire for lights and outlets.   I intend to run main power from the street pole […]

Minimizing post frame ice dams November 1996 in Northern Idaho will probably forever be known as “Ice Storm”.  About six weeks prior to this event, my construction company had completed a post frame building just south of Sandpoint. When massive snow and ice storms hit, our client kept his new building warm by use of […]

Unvented Post Frame Attics Energy efficiency concerns have literally become a “hot” (pun intended) topic in new construction, and post frame construction methods are no exception to inclusion. Traditionally buildings have had insulation placed or blown into dead attic spaces, directly above a ceiling. Unvented attics have entered fray as an alternative.   To construct […]

How to Reduce Condensation in Post Frame Buildings Condensation occurs when excessive atmospheric water vapor comes into contact with a cold surface. Post frame building condensation will be particularly common in winter time, in regions where temperatures reach dramatic lows, and also in spring and early summer when ground temperatures are still cool but humidity […]

Today the Pole barn Guru discusses crawlspace skirting, adding spray foam, and building with rafters instead of trusses. DEAR POLE BARN GURU: I am planning on building a post frame home with a standard wood framed floor structure. It will have a crawlspace below but will not have concrete stem walls. The building site slopes […]

This week, the Pole Barn Guru discusses moving a building, a building with moisture issues, and siding options other than wainscot. DEAR POLE BARN GURU: We have a 50 year old Morton machine shed 45X90X12. The posts and trusses are in excellent condition. The roof steel needs to be re-screwed and painted . The side […]

Foil Insulation Is Not Insulation Products being incorrectly marketed and sold as “foil insulation” are actually nothing more than a radiant reflective barrier. They are not insulation. I have previously covered this very subject, so will not rank and rail more: https://www.hansenpolebuildings.com/2014/04/reflective-insulation-wars/ Today’s learning article has inspiration in this from reader BOBBY in GRASSTIN who […]

We Put Up a Competitor’s Shed Sadly not everyone does adequate research to realize how outstanding of a value added a Hansen Pole Buildings’ post frame building kit package truly will be. Long time readers of these blog articles (nearly 1600) and questions answered in Monday’s “Ask the Pole Barn Guru™” column (around 1000) have […]

Today Mike addresses questions about steel ceilings, options for wall finishes, and condensation in added space. DEAR POLE BARN GURU: I have a 40ft wide x 60ft long x 12ft high pole barn. The trusses are 4ft on center. I want to put a steel ceiling up and wanted to know the best size piece […]

Do I Need Any Additional Vapor Barrier? Reader TOM in NEW LONDON writes: “Have a 40 x 60 pole barn which I have poured a 20 X 60 6″ concrete floor with radiant heat. I have installed 1 1/2″ R 7.5 rigid pink board between the 2 X 6 side boards against the steel. I […]

Will My Post Frame Building Support a Ceiling? One of my frequently received questions – wanting to add a ceiling into a post frame building and wondering if the building will support the added weight. Other frequent questions include condensation issues and ventilation, so this reader has hit upon a trifecta. Reader BRYAN in SWANTON […]

Today’s PBG addresses slab insulation, vapor barriers and sliding doors at an entry. DEAR POLE BARN GURU: I am starting a project finishing a Hansen pole barn in a suburb of Minneapolis. My question is in regard to the floor. I assume there was no insulation under the slab, I have yet to confirm this, […]

In todays blog, the Pole Barn Guru discusses stilt homes, ductwork in attic, and post frame house design options. DEAR POLE BARN GURU: Pole Barns for Stilt Construction – Just read your Kitty Hawk story – And FEMA backs you up. From FEMA-DRs-4085-NY Foundation Requirements and Recommendations for Elevated Home – Piles can be used […]

Ceiling Vapor Barriers in Post Frame Construction A ceiling vapor barrier or no, in post frame (pole building) construction? Good question. For most of my life I have lived where it tends to get chilly in winter. Here in Northeast South Dakota it can not only be chilly, but downright frigid. It has been drummed […]

Moisture from condensation can be a major issue in initially poorly thought out pole barns. Reader MATT in SHAKOPEE writes: “Hi. I am having issues with moisture in my pole barn. It is getting to the point that mold is starting to show up on the walls and cement floor. The barn is about 28 […]

Avoiding Condensation When Insulating Existing Pole Barn The last thing people want to have to deal with would be condensation dripping in their pole barn. When an originally unheated cold storage building becomes repurposed to be climate controlled, possible condensation poses some new challenges. If you are reading this article and plans are to construct […]

Whiskey Tango Foxtrot! Is it Ventilation? I really enjoy good food. In order to continue doing so and avoid weighing significantly more than I should, I do a treadmill run nearly every morning. To keep from expiring from utter boredom of exercise, I have wall mounted my flat screen LED television within easy viewing distance. […]

Post Frame Cold Storage for Fruits and Vegetables Hansen Pole Buildings’ Designer Rachel passed along this: “Have a client call in asking if we have experience in designing a building for cold storage.  Confused I said yes, many building are used for cold storage and are not insulated or heated.  He said no I mean […]

This week the Pole Barn Guru answers questions about uplift concerns, retro-fitting insulation, and setting posts in high water tables. DEAR POLE BARN GURU: I am adding an open overhang to the gable end of my 40×80 pole barn. I bought 36’ trusses and will lower them to fit under the existing gable going out […]

Venting an Attic Without Soffit Air Intake Loyal reader KEN has an attic space with only air exhaust points – a vented ridge, and no air intake. His dilemma, how to adequately ventilate his attic without vented soffits. Ken writes: “I finally was able to make contact with the manufacturer of the open foam like […]

Today the Pole Barn Guru visits with readers about, types of construction, sliding doors, and roof vents. DEAR POLE BARN GURU: Hello Mike – I am working with the NFBA on a study of the post frame (pole barn) building market in the US. Among our objectives is to understand what % of construction in […]

The PBG answers questions about insulation, snow loads, and best choice for condensation. DEAR POLE BARN GURU: I am wanting to finish the interior of my pole barn and have an cathedral like ceiling. If I were to follow the trusses up to the peak with foam board Insulation and use 2x4s spanning between the […]

Insulating a Room in an Unheated Pole Barn Regular readers of this column recognize insulation as being a hot (pun intended) topic of discussion – not just entire buildings, but also of a room or rooms in an unheated pole barn. Reader RICHARD in WOODSTOCK writes: “I have a 50 x 75 pole barn with […]

Single-Pane Windows When I was first in the post frame (pole barn) building industry almost 40 years ago windows were hardly ever a chosen option, and when they were, they were always single-pane windows. Why? Because the buildings were probably never going to be climate controlled and the single-pane windows were cheap. And, as we […]

Vinyl Gable Vents for Pole Barns Attic venting for post frame (pole barn) buildings is a challenge which can be resolved by the use of vinyl gable vents. Reader KEN in BERRYTON writes: “I have a pole barn with the ribbed siding, 3/4″ high ribs at 9″ spacing, with two smaller ribs in-between at 3″ […]

My Pole Barn is a Sauna in Summer- and needs ventilation! “Hey there Pole Barn Guru, got a question about ventilation. Just bought a house with a pole barn on the property. I believe it’s only about a year old. 30 x 32.  It has no soffits or windows, only a standard garage door and […]

Why Should Air Barriers Be Incorporated into Post Frame Construction? Energy efficiency of post-frame buildings has become a huge topic of discussion. Rather than trying to impress you, gentle reader, with my limited degree of knowledge, here are the words of an expert. The general public does not get to read Frame Building News. Here […]

Today the Pole Barn Guru answers questions about calculating the height of a building, Building on and existing foundation, and Spray Foam Insulation. DEAR POLE BARN GURU: I’m looking for over all height of a building with a 14’ eave? Thanks. DOUG in PILOT ROCK DEAR DOUG: The overall height determination starts with a clear […]

Cardboard (or Plastic, Foam, Metal) Eave Baffles The model building codes (IBC and IRC – International Building Code and International Residential Code) require enclosed attic spaces, in most cases, to have ventilation. The most efficient ventilation design solution is to have enclosed vented soffits at the eaves as an air intake, and a vented ridge […]

Mike the Pole Barn Guru discusses The Idea of Heating the building in the future, Post Heave, and Interior Housewrap. DEAR POLE BARN GURU: Hi Pole Barn Guru, I am getting ready to order a kit for a new 38×40 pole barn in Southern Ohio. Initially it will be cold storage, but the idea of heating […]

Reader JIM in HOODSPORT writes about condensation issues: “New Completed 40’ x 60’ pole barn with 16’ side walls and 24’ peak. Walls and ceiling insulated, 60’ long ridge roof vent. Full cement Pad with plastic vapor barrier under it. Cement was 60 days old when barn was completed.. rained just about every day. No […]

Hansen Pole Buildings’ client BRENT in WASHOUGAL writes: “We have your 40×80 pole barn built sept. 2014, and it’s having problems with mold forming over the purlins. I’m wanting to know my options to prevent a future problem. Thanks.” Mike the Pole Barn Guru responds: First – get rid of the mold. Mix in the […]

How Not to Do a Post Frame Shear Wall Reader DAVID in MIDDLETON writes: “Hi we are currently building a 40/72 pole barn. We are wrapping the bottom 4 feet in OSB for sheer strength along with sheeting the roof with osb. We want to insulate the walls and put a drop ceiling in the […]

DEAR POLE BARN GURU: I am about to build a pole building on a piece of land that is absolutely flat (pasture). I have read on this site that the poles should be installed before any earth work has been done. However, the state of Idaho says that I must have a drainage slope away […]

Bad Energy Efficient Pole Barn Advice from GreenBuildingAdvisor.com Long time readers of this blog have seen ample posts about energy efficient post frame (pole barn) buildings. As most are aware, there is as much bad information (maybe more) than good available on the internet. Whilst I’d like to believe Martin Holladay at www.greenbuildingadvisor.com is fairly […]

Fire Resistance, Condensation, and Wind Speed DEAR POLE BARN GURU: Do you know if WMP-10 metal building insulation facing is ok to have exposed in a commercial building in regards to its fire resistance rating? JON DEAR JON: WMP-10 facings are flame resistant, however you should consult with your local building code enforcing agency to […]

CODE REQUIREMENTS FOR ATTIC VENTILATION Historically, ventilation requirements in the International Residential Code (IRC) are applicable to one and two family homes, and have been based on the ratio of “net free ventilating area” (NFVA) that is the area of the ventilation openings in the attic to the area of attic space. The NFVA is […]

When the Pole Building Insulation Problem is Larger Than Imagined From questions I have received from loyal readers over the past year, post frame (pole) building insulation is right there at the top of the list for priorities. Sadly, it seems the same concern is not often put forward by those who are designing, providing […]

Reader JEREMY writes: “Good Morning and Happy New Year! We are currently in the process of building a house inside a pole barn, and have noticed condensation on the inside walls and roof when we heat it.  We do not have any vents installed yet, and would like to know if the condensation will stop […]

DEAR POLE BARN GURU: Good morning. I am considering building a pole barn on our land in northwest Georgia and wanted to know the following: 1) On your website, you list links for residential, agricultural, and commercial buildings.  What is the difference between a those three types of buildings?  Are they different because of design […]

Minimizing Condensation When Building Over an Existing Foundation Reader ROSS writes: “Hello, I have a question about venting of my building. I currently am in the process of building a shop myself. I had an existing foundation of 75 x 42 that had 8ft concrete walls all the way around. I’m building my building on […]

Condensation Even With Radiant Barrier Installed Under Roof Steel It seems every winter I get a few messages similar to this, So far, this winter, I have gotten two, both from newly constructed post frame buildings and from the same area of the United States (which is known for high humidity). Reader SAM in GREENBANK […]

DEAR POLE BARN GURU: Hello, I am going to tear down a 30x40x10 pole building to rebuild on my property. I noticed that the trusses are spaced 10 feet apart and are set on the 6×6 pole that has been notched. With no header board. This is an all metal building. Was wondering if this […]

Designing a Single Slope Finished Pole Barn Reader JIM in ROCHESTER writes: “I am looking for an immediate response. I am building a 30×50 single pitch pole barn that I will eventually insulate and drywall. I plan to run a row of posts down the center of the barn to support the rafters. I will […]

How to Insulate I fear “how to insulate my post frame (fill in the blank)” is going to be my most answered topic for the next decade. Energy efficiency is the “hot” topic right now and sadly there are more folks trying to solve what they already have, than there were those who planned for […]

Advice about condensation, ceilings done right, and the timing of questions DEAR POLE BARN GURU: My deck roof is metal panels on 2×4 purlins, rafters are 2×6, like a pole barn. I am enclosing it, and need to stop the condensation. I spray foamed it with closed cell, but there is some condensation on the […]

How to Properly Insulate Between Roof Purlins Efficient climate control is becoming the buzz term for post frame construction. A challenge occurs when clients look to insulate between their roof purlins. Reader JOHN in COVINGTON writes: “I am building an all wood pole building. The purlins are 2x8s. I want to insulate the walls and […]