So companies like norbord started creating tallwall windstorm panels to help alleviate this.
C attic gable end wall sheathing be made of styrofoam.
Cover the whole wall.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
Retrofitting a gable end like this will make it about as strong as one built to today s building codes and the cost of materials will be only about 300 for a 30 foot wide gable end.
Do the same thing with your gable end walls the triangular walls at the ends of your roof step 5.
It is a 1965 built home with 2x4 stud walls and a finished attic with 2x6 possibly 2x8 rafters.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
If so the building designer might design a balloon framed end wall which eliminates the need for a gable end truss.
The death of the 8 sheet one of the biggest items when sheathing a wall vertically is that the sheathing has to be continuous 602 10 4 5 which meant that an 8 sheet wouldn t cut it in many places so longer ones were required.
Here are the three keys to sheathing an attic kneewall properly.
Install attic baffles if the attic doesn t have attic baffles let s install them.
The q a forums have been a trove of information as i gut and remodel my cape cod.
Foam board is flammable and must be covered with 1 2 quot.
Hello all i have to first thank all of the active members.
A house protected by solarbord radiant barrier sheathing has a head start on comfort.
When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still.
Again seal all of the edges and joints to block air leaks.
I d prefer to see a rigid material on attic kneewalls figures 8 and 9.
I think the rigid material will do a better job with air sealing though and will stay intact longer.
The goal of these tasks is to render the gable end wall attic floor and roof structure as one unitized assembly.
Up to 97 of radiant heat from the sun is reflected by solarbord so the attic can be up to 30 cooler.
Drywall if your attic is accessible and used for storage.
Cooler attic cooler house.
Staple each side to the roof deck spaced about every 4 inches.
This means the rest of the house will be cooler too.
I m in western pa in a zone 5 climate.
In some cases the expected loads will be too high for the gable end frame end wall studs or ceiling diaphragm.
Both can be done poorly of course and i ve seen both done poorly.