Roof Trusses? Contractor Reviews, and Insulation Installation!

Pole Barn Guru Blog

DEAR POLE BARN GURU: I would like to rip off my current roof of trusses that are made of 2x4s 2 feet on center with new one of mono-pitched trusses that are every 4-ft or less on center. The roofing material on top of the new trusses would be a SIP panel of some sort. The unfinished ceiling would be the bottom of the SIP panel. The house would have exposed trusses to create a loftier feel as the ceilings are currently too low. (house is 28 ft wide by 30 feet long)

Is this something that you can help with — the design & manufacture of the trusses/roof?

Thanks! NATHAN in KIRKLAND

DEAR NATHAN: Your Building Department is going to require engineer sealed plans in order to issue a building permit for your project. As such, your best bet is to hire a local engineer who is experienced in wood frame construction to provide your plans. They should come out to your house and do a thorough investigation into the adequacy of the structure to support the loads.

Some thoughts to consider – SIPs are going to prove to be very expensive. You could create a more spacious feel by constructing a knee wall on top of one of the existing walls, then use I joists or parallel chord trusses – either of which can be insulated between to give an adequate R value.

DEAR POLE BARN GURU: How can I find independent customer reviews in Washington state for Pride in Construction. GINGER in TACOMA

DEAR GINGER: Getting independent customer reviews on any building contractor anywhere is a challenge, as most builders do not construct enough buildings to develop much of a track record either good or bad.

Here are the seven steps to not getting yourself burned by any contractor, follow these: https://www.hansenpolebuildings.com/2013/07/contractor-6/ and require a performance bond and you will greatly limit your risk of not getting the finished product you expected. Here is Performance Bond information: https://www.hansenpolebuildings.com/2012/07/contractor-bonding/.

 

DEAR POLE BARN GURU: I will be installing insulation under the steel roof.  Are staple guns the best choice for temporary stabilization until the roof is added?  What length staples?  Which gauge staples?  Narrow?  Electric, air or grip staple gun?  Recommendations?  I will be using metal tape to join each roll of insulation side-by-side.

Trying not to re-invent the wheel, that’s why I went Hansen of course. RALPH in KENNEWICK

DEAR RALPH: From Chapter 14 of the Hansen Pole Buildings’ Installation Guide: Using a minimum 5/16” galvanized staple, staple through insulation to eave purlin top. As an alternative to staples, 1” galvanized roofing nails (with the big plastic washers) also work well.

These fasteners are only going to be needed long enough to get a sheet of steel on top of them, so there is no occasion to get fancy at this juncture. I’ve found a tack hammer to be more than adequate.

Keep in mind, the one edge of each roll of A1V insulation has a pull strip on it, with adhesive under the pull strip. This eliminates the need to use rolls of tape to adjoin each piece of insulation.

 

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