Does Smartside Siding Need Vapor Barrier

The plastic should be 6 mil poly but 10 mil to 20 mil is better.

Does smartside siding need vapor barrier.

Smartside 76 series primed engineered lap siding common. Does this wall assembly need a vapor barrier such as tyvek a. It features a lip on the profile of the product that helps contractors line up each piece of lap to exact specifications on the 3 8 gap. You don t want a vapor barrier in this location.

But this wrb is not a vapor barrier. Lp smartside expertfinish features an expertfinish lap to avoid the need for seam caulking joint molds or pan flashing on the jobsite. Wrbs including tyvek are vapor permeable. I was told to buy styrofoam weathermate plus house wrap but they did not use it on the outside before the cement siding.

Moisture barrier house wraps do the same thing but for rain snow and other outside moisture. Learn more about membrain a smart vapor retarder. Although your siding is your home s first defense against wind many types have small gaps and cracks at the joints where siding panels line up. Vinyl siding is one of if not the most popular exterior cladding for residential homes.

Wall construction is important to creating a healthy comfortable home. 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. If used lp will not warrant for. The insulation is not yet installed.

If you heat your shed the barrier goes on the inside of the wooden frame. 0 375 in x 11 844 in x 191 875 in. This new feature will only be available on expertfinish products. And that leads to air infiltration and seepage the kinds of things that drive up energy costs.

Why do homes need house wrap. The installation instructions explain that smartside is installed with nails or screws not adhesive. According to the installation instructions for smartside siding lp smartside 76 series lap siding may be attached directly to framing members spaced up to a maximum of 24 in 600 mm on center so you don t need any sheathing under the siding. In your case the barrier would go between the studs and the smartside panels.

Do not force siding into place. Your shed does not need moisture or vapor barrier unless you plan to heat or cool it. Lp does not recommend lp smartside for use in these non traditional assemblies. A smart vapor retarder is a good solution for areas of mixed climate.

0 437 in x 12 in x 192 in. Maintain the illustrated 1 8 inch. Building codes require a water resistive barrier like tyvek behind the siding. If you cool your shed the moisture barrier goes on the outside of the building.