Preparing an attic for insulation.
C attic gable end wall sheathing be made of styrofoam.
If so the building designer might design a balloon framed end wall which eliminates the need for a gable end truss.
Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve your mobility in the attic.
The stairs come up to the south gable end with a landing of just 36 from nosing to framing so i don t know if i can get away with deepening the wall in that area.
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 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.
Cooler attic cooler house.
An exhaust vent fan can exhaust out through a gable end side wall or out through a soffit overhang.
Install r13 insulation in the rafters on top rafter baffles.
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.
And of course a bathroom with a window doesn t require an exhaust vent.
Web plane gable end frame bracing.
For more information on gable end frame bracing see the following.
A house protected by solarbord radiant barrier sheathing has a head start on comfort.
I know not ideal but has to help and make some noticeable difference.
3 4 t g osb flooring will cover the floor.
Up to 97 of radiant heat from the sun is reflected by solarbord so the attic can be up to 30 cooler.
Here are the three keys to sheathing an attic kneewall properly.
Install rafter baffles in each rafter cavity.
However your roofer is correct that bathroom exhaust venting is desirable to avoid indoor moisture problems that can extend to the attic roof sheathing and can affect roof.
Never step between joists as you may break through the ceiling below make sure there are no uncovered electrical boxes or exposed wirings.
I was considering sheathing attic side knee walls with either thermo ply red or xps foam.
Install gable vents on each end of garage.
Here is how to insulate an unfinished attic.
This means the rest of the house will be cooler too.
Install r13 in walls and insulate garage door.
For the gable ends i may use both methods mentioned.
This will allow me to rigid foam block the joist ends right up to the knee wall sheathing and seal with dow pro foam.
So companies like norbord started creating tallwall windstorm panels to help alleviate this.
Your house has a gable end if you have a sloped roof with a vertical wall that forms a triangle under the end of the roof.
I will extend this roxul to the attic side of the knee wall studs.
Cover the whole wall.
