No Tar Paper Under Siding

Siding applied directly over tar paper creates a sandwich effect and can trap water between the siding material and the tar paper.

No tar paper under siding. My old house was tyvek 1 4 strapping and cedar lapped. The stain and cedar is in almost new condition after 7 years except for some uv damage to the finish on the sw side. While some believe that the original product was. Should any water get past the siding properly installed felt.

It is an age old choice as a weather barrier under roofing and siding. I have seen literally hundreds of houses stripped of asbestos siding that had 15 felt under it. This is a time intensive process and requires all sorts of skill. I ll stick with tried and true felt paper.

Tar paper will generally not show it as readily due to it s thickness but it can break down. Have taken off plenty of lap siding here with rot behind it no underlayment. Tar paper does not offer this. There is no logical reason not to have house wrap under vinyl siding and many authorities strongly agree that it should be viewed as mandatory even if your local building codes don t necessarily require it.

On walls it has been eclipsed in new construction by various brands of house wrap a woven or spun bonded plastic. Yes tyvek can be used under cedar siding. Felt paper under hardi plank. They were built in the 1950s and 60s the felt was in perfect condition.

But we are wetter down here. While you may consider a product like typar higher surfactant resistance there are a few other options which you might want to consider. Cedar is a great material but it can cause issues with many products including tar paper. Asphalt felt tar paper the standard requirement is type 1 felt meeting astm d 226.

Can tyvek be used under cedar siding. I ve opened up houses built less than 5 years previous and the tyvek was shreaded like old newspaper. 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. Tar paper also known as building felt is tar impregnated paper.

It is recommended that the cedar siding be installed per manufacturer s guidelines and recommendations by wood siding associations such as the western red cedar lumber association including priming all surfaces including the back and ends before installing. Vinyl siding is one of if not the most popular exterior cladding for residential homes. If you want vertical drainage with tar paper you have to add treated lumber strips on top of the tar paper.