Tar Paper Under Siding. This product is suppose to be fire resistant also ? Answered by brett ~ january 13, 2011 ~ comments i am going to install some new wood siding on our garage. Verticle siding, drainage plane, and tar paper house wrap.
The key is to isolate the housewrap or tar paper from the siding.
Even under shingles tarpaper gets brittle from heat and essentially fails as a secondary membrane. I paint the roof with 1:1 the correct installation of flashing is, say around a chimney, up hill side is under shingles and bent. Do we go right to the floor with the paper or, like if you install a vapor barrier on both sides, moisture can become trapped inside the insulation and result in mold/mildew. Membranes should be stored under dry and ventilated conditions. The key is to isolate the housewrap or tar paper from the siding. Tar paper is made by impregnating paper or fiberglass mat with tar, producing a waterproof material useful for roof construction. Continue overlapping strips up each side of the roof, leaving the peaks uncovered. In older days, it was more common to not use it, but they should have put felt paper down.
