Tar Paper Behind Vinyl Siding

Use tyvek over building felt under siding.

Tar paper behind vinyl siding.

Tar paper does not offer this. If you want vertical drainage with tar paper you have to add treated lumber strips on top of the tar paper. This is a time intensive process and requires all sorts of skill. Its primary purpose is to prevent air and water leaks that may have seeped past the vinyl exterior.

Should any water get past the siding. Installing foam board insulation under vinyl siding today. The irc 2000 code and our building dept. Sign up for eletters today and get the latest how to from fine homebuilding plus special offers.

I want to replace the tar paper but i can t find it at homedepot or lowes. By chris baylor felt paper also commonly referred to as tar paper is an underlayment material applied to bare walls before siding is installed. The short answer is that felt paper is fine as a weather resistant barrier behind vinyl siding and will not cause a problem if the siding is installed correctly. 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.

Get home building tips offers and expert advice in your inbox.