Why Is Tyvek Used Under Vinyl Siding

By doing so however you miss out on the opportunity to add add energy savings to the project.

Why is tyvek used under vinyl siding.

It adds insulation waterproofing and structural support. I have seen literally hundreds of houses stripped of asbestos siding that had 15 felt under it. I ll stick with tried and true felt paper. Use tyvek over building felt under siding.

During a recent repair to our siding we found that the house had no building wrap tyvek under the siding. If you ve ever taken vinyl siding off a house the day after a good rain it s all wet back there anyways which is why we insist on tyvek. Its primary purpose is to prevent air and water leaks that may have seeped past the vinyl exterior. I want to replace the tar paper but i can t find it at homedepot or lowes.

Vinyl siding can be installed directly over wall sheathing wood siding or stucco. It seems that we have two options. Our house was built about seven years ago. One would be to remove the siding wrap the house and then reside it.

Siding that s assembled from large panels such as vinyl or aluminum cladding also makes a good candidate too since water can enter through cracks where the pieces are joined. What type of wood is used under siding. They were built in the 1950s and 60s the felt was in perfect condition. Tyvek was used underneath very poorly installed.

The wood that goes under residential siding exterior sheathing performs several functions. On all walls and all exposure conditions there were large areas of the tyvek which were deteriorated to the point of tissue paper. I ve opened up houses built less than 5 years previous and the tyvek was shreaded like old newspaper. Several areas where the tyvek had shrunk and torn mainly at window corners.

That s what the tyvek is for. To sum it up house wrap is a lightweight paper like material that is most often used to completely cover the house directly on top of the sheathing and behind the vinyl siding. I just finished removing some vinyl siding installed in 1987. I saw a new house with felt paper under the siding rather than tyvek.

Faq s acronym s terminology to tyvek or not to tyvek that is the question. Builder omits house wrap under siding.