How To Wrap House Before Siding
Apply house wrap up the gables before installing exterior trim even if the attic is not conditioned.
How to wrap house before siding. Overlap horizontal seams 6 inches upper layer over lower layer. Extend house wrap below the mudsill for water management but also for air sealing. Extend the house wrap over the footing top at least 2 inches. Seal the bottom of the house wrap to the sheathing with caulk or tape.
Then use your staple gun or hammer stapler to tack the corner of the material in place. However if you re interested a residing project offers the perfect time to examine your home s weather barrier and exterior insulation and improve it if need be. It is acceptable to install barricade building wrap over wood based foam insulation or fiberboard sheathing and exterior gypsum board. Smaller holes or tears can be taped but your house wrap should be going over a solid surface in all areas.
Put the bottom corner of the house wrap about 2 inches past the corner in both directions. Install a drainage provision at the bottom of the external siding material if recommended. In fact many builders disagree on the effectiveness of house wraps altogether and while some builders will only install 15 pound asphalt saturated felt paper underneath exterior siding others swear by plastic fabric house wraps such as typar or tyvek. Install the house wrap between the double top wall plates.
Overlap vertical seams 6 12 inches. House wrap should be installed after your old siding has been removed. Along the top of the window or door create a top flap. You will need to start at one of the bottom corners of the house.
I have spent the last 7 months building my dream house and i read in my latest fh that when cedar siding is applied over housewrap that water will leach tannins from the cedar and clog the pores of the housewrap causing the siding paint to fail. Overlap the layers shingle style as you go up the wall like roofing shingles. Wrap and seal the underside of. If the gable isn t covered water can get to the framing and even behind the house wrap below.
Prevent chemicals from coming in contact with the fabric as they can adversely affect the house wrap s water resistance. For the easiest work plan to go from left to right. In the end the decision to install house wrap under your siding is a personal one that you should make after discussing it with your contractor.