Does Smartside Siding Need Vapor Barrier

The installation instructions explain that smartside is installed with nails or screws not adhesive.

Does smartside siding need vapor barrier.

Lp does not recommend lp smartside for use in these non traditional assemblies. Maintain the illustrated 1 8 inch. A smart vapor retarder is a good solution for areas of mixed climate. 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.

Building codes require a water resistive barrier like tyvek behind the siding. But this wrb is not a vapor barrier. The plastic should be 6 mil poly but 10 mil to 20 mil is better. 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.

You don t want a vapor barrier in this location. If you cool your shed the moisture barrier goes on the outside of the building. Why do homes need house wrap. Do i need the vapor barrier or house wrap inside before drywall.

I was told to buy styrofoam weathermate plus house wrap but they did not use it on the outside before the cement siding. This new feature will only be available on expertfinish products. Wrbs including tyvek are vapor permeable. 0 437 in x 12 in x 192 in.

If you heat your shed the barrier goes on the inside of the wooden frame. 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. Smartside 76 series primed engineered lap siding common. Learn more about membrain a smart vapor retarder.

And that leads to air infiltration and seepage the kinds of things that drive up energy costs. Does this wall assembly need a vapor barrier such as tyvek a. Moisture barrier house wraps do the same thing but for rain snow and other outside moisture. Your shed does not need moisture or vapor barrier unless you plan to heat or cool it.

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. In your case the barrier would go between the studs and the smartside panels. If used lp will not warrant for. Read more about vapor retarders and learn how they can affect the health of your home.

Vinyl siding is one of if not the most popular exterior cladding for residential homes. Do not force siding into place. Lp smartside expertfinish features an expertfinish lap to avoid the need for seam caulking joint molds or pan flashing on the jobsite. Wall construction is important to creating a healthy comfortable home.