Under Slab Insulation XPS or EPS? Way back (okay, 2021 it just seems like it was long ago), I had extolled virtues of expanded polystyrene (EPS) for barndominium concrete slab insulation boards/ Full article can be read here: https://www.hansenpolebuildings.com/2021/11/barndominium-concrete-slab-insulation-boards/. If there is one thing I have learned in my construction industry career, it is insulation […]

YouTube Design of a Post-Frame Mezzanine Reader CHERIE in MARYVILLE writes: “I am in the process of designing a post-frame building for my business. It is a 55x110x16′ building. I am moving my business to this new building and I already have a pallet rack supported mezzanine that I will install in the new building. […]

This week the Pole Barn Guru answers reader questions about building a basketball court within town height restrictions, building a “dog trot” and some advice on the proper way to insulate a red iron building. DEAR POLE BARN GURU: I have been on the pole barn Facebook group for over a year and was strongly […]

Introduction to Post-Frame Buildings Rather than me chewing up a portion of your life you will never get back, I am deferring to Chapter 1 of NFBA’s (National Frame Builders Association) Post Frame Design Manual. Here is my overview when it was first published: https://www.hansenpolebuildings.com/2015/03/post-frame-building-3/ Please take a few moments to read this first chapter, […]

Security Innovations for Post-Frame Construction Sites Construction sites are a lucrative target for criminals. A perfect mix of high-value equipment and materials that are often left unguarded overnight or on weekends can make them a soft touch that promises a profitable payday. This is why all large-scale construction projects have comprehensive round-the-clock security measures in […]

This Wednesday the Pole Barn Guru answers reader questions about ballpark figures to estimate costs of a barndominium, the costs for blueprints for a 40x60x20 building, and what the best way to stop condensation drip on a post frame building would be. DEAR POLE BARN GURU: I’ve got a very general question, hope you can […]

Concerns About Truss Sizes and Overhangs When Designing a Floor Plan Reader ART in EADS writes: “Hello Mike, my wife and I are making floor plans for a future pole barn house. We see that numerous companies offer buildings in common L x W x H dimensions as well as some customized sizes. We want […]

How Grading Agencies Establish Lumber Design Values Originally published in SBCA Magazine January 16, 2024 Nearly all roof trusses and floor trusses are created using cutting-edge software. Embedded in that software are engineering principles outlined in the National Design Specification, Design Values for Wood Construction (NDS), as well as published design values for the sizes […]

This week the Pole Barn Guru addresses reader questions about ventilation needed for a new attic with metal ceiling and blown-in insulation, a confirmation for endwall needing stitch screws for shear, and if adding sheathing to an existing pole building would add value. DEAR POLE BARN GURU: I bought a house with a pole barn […]

What to do About Possible Roof Condensation? Reader JEFF in ADEL writes: “Hello, I am going to order Post Frame building materials and am working on details. The question about condensation is driving me nuts as this is a big project for me and I don’t want a wet building. It will be a 30x48x11 […]

Do You Provide a Service to Install the Kits? This question was asked by reader DAVID in HAMILTON. Your new Hansen Pole Building kit is designed for any average physically capable person, who can and will read and follow instructions, to successfully construct their own beautiful building shell, without extensive prior construction knowledge (and most […]

This Wednesday the Pole Barn Guru answers reader questions about whether or not Hansen has sold a building in San Diego County, CA, a building with a design wind speed of 150mph, and a recommendation for use of PermaColumn wet set brackets. DEAR POLE BARN GURU: Have you sold pole barns in  San Diego County, […]

Open Cell Spray Foam to Roof Steel – When Insulation is Done Wrong Reader JOSH in FARMINGTON writes: “I recently had a pole barn built and after doing a lot of research, went with 5″ of open cell under the roof and on the gables. I did not have any kind of vapor barrier, as […]

How to Best Insulate an All-Steel Building I know lots and lots about post frame buildings, however when it comes to all steel buildings (PEMBs – Pre-Engineered Metal Buildings aka Red Iron) I go to an expert. Today’s expert is John Lyle McInroe aka Mr Bee Happy, he has been in the building industry since […]

This week the Pole Barn Guru answers reader questions about cleaning up rough cut lumber that has greyed from exposure to the elements, advice on house wrap and insulation, and the ability of flat purlins over trusses to carry a load in Kentucky. DEAR POLE BARN GURU: My barn project has been a long drawn […]

Best Source of Off-grid Power Reader CONNIE in WAUKESHA writes: “When you’re off grid 1. What is the best source of power 2. Is there any window and door window grates to keep bears out?” Solar power jumps to mind for most of us when it comes to off-grid energy. This sun-powered option, including photovoltaic […]

Help – My Hobby Shop Has Wall Condensation Reader EVAN in PHILADELPHIA writes: “Hi there, I recently constructed a small 20x20x10 pole barn for use as a hobby shop (woodworking, etc.). The eaves have vented soffit and the roof has a ridge vent. On the interior I did a metal ceiling with blown in R-C38 […]

This Wednesday the Pole Barn Guru answers reader questions about use of 6 mil plastic vapor barrier in Michigan, if Hansen provides the option of a precast concrete pier to keep columns out of the ground, build heights, and “if anything needed between interior PVC panels, closed cell spray foam and the exterior metal siding.” […]

How to Read Truss Design Drawings This invaluable information is provided compliments of Structural Building Components Association (SBCA). Should you be considering purchasing trusses on your own, it will be to your benefit to familiarize yourself. Trusses are incredibly efficient structural framing solutions and, consequently, are used in most of today’s light-frame wood construction projects. […]

Flat Use Factor (Cfu) for Dimensional Lumber For those who have not had their eyes glaze over from my recent articles on S (or Sm) Section Modulus or Cf (size factor adjustments), I bring, in all its glory, Cfu (Flat Use Factor). Although produced in a factory environment (a saw mill), wood is a non-uniform […]

This week the Pole Barn Guru answers reader questions about any added features for “rain country” like western Washington, use of UC-4B pressure preservative treated columns in a high water table area, and the options of a sliding door vs a sectional overhead door in an RV storage building. DEAR POLE BARN GURU: Do many […]

NDS Size Factor (Cf) for Lumber Continuing explaining terms used in a decade old article of mine (https://www.hansenpolebuildings.com/2014/08/lumber-bending/) is Cf (size factor, also known as width adjustment factor). NDS (National Design Standards)design values for SYP (Southern Yellow Pine) are specified by size due to actual, physical in grade testing, whereas other lumber species’ design values […]

Section Modulus (Sm) for Lumber Nearly a decade ago I penned an article explaining lumber bending stress: https://www.hansenpolebuildings.com/2014/08/lumber-bending/ After 10 years, a reader nicely told me I did not explain where some terms in this article come from. One of these is Section Modulus (S or Sm in calculations). Let us take a visit to […]

This Wednesday the Pole Barn Guru answers reader questions about a home owner asking builder to install housewrap on the roof, the best solution to insulate underside of roof, and what the best fastener for screwing steel to ceiling or roof trusses would be. DEAR POLE BARN GURU: Pole Barn Guru, thank you for your […]

What Does JS 1000® Screw Plating Mean to You? Most post frame buildings have threw screwed steel roofing and siding. Industry standard #9 or #10 diameter screws are zinc plated and should resist 80 to 100 hours to red rust under salt spray. In other words, expect these screws to prematurely rust, compromising structural integrity […]