Using Felt Under T111 Siding

T1 11 plywood is an economical siding choice for sheds and houses.

Using felt under t111 siding.

With proper installation and maintenance t1 11 siding should last for years. Use tyvek over building felt under siding. In my experience 30 lays flatter but more importantly it contains more. Use a flat pry bar to remove any staples nails or other fasteners from the wall where you re installing the felt paper.

The 4 by 8 foot 5 8 inch sheets come with a solid or grooved surface and the long edges are. 3 with the windows under the t1 11 5 4 trim becomes to thick could use 1x trim 4 if i install the windows over the t1 11 my only seal then is the flashing tape under the trim. I want to replace the tar paper but i can t find it at homedepot or lowes. They were built in the 1950s and 60s the felt was in perfect condition.

House wrap is indeed considered a necessity by the majority of contractors as well as housing authorities including local building and planning departments. I have seen literally hundreds of houses stripped of asbestos siding that had 15 felt under it. 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. I could leave the t1 11 un nailed at the windows or sheet those areas after tipped and windows installed don t care for that way either.

Moisture can cause the veneer or strands to swell and separate. 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. I ve opened up houses built less than 5 years previous and the tyvek was shreaded like old newspaper.

However panel siding t 111 and board siding lay flat against the sheathing wrap and do not provide any drainage or dryiing space. I ll stick with tried and true felt paper. This provides a minimal drainage plane and promotes some drying. How to install t1 11 siding.

To calculate the number of panels needed to side your shed depends on its dimensions. Water that gets past the siding can remain trapped between the siding and wrap for longer periods of time raising the potential for moisture problems.