Does Smartside Siding Need Vapor Barrier

Vinyl siding is one of if not the most popular exterior cladding for residential homes.

Does smartside siding need vapor barrier.

Do i need the vapor barrier or house wrap inside before drywall. The plastic should be 6 mil poly but 10 mil to 20 mil is better. Wrbs including tyvek are vapor permeable. If you heat your shed the barrier goes on the inside of the wooden frame.

The insulation is not yet installed. 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. You don t want a vapor barrier in this location. Lp does not recommend lp smartside for use in these non traditional assemblies.

Lp smartside expertfinish features an expertfinish lap to avoid the need for seam caulking joint molds or pan flashing on the jobsite. I was told to buy styrofoam weathermate plus house wrap but they did not use it on the outside before the cement siding. But this wrb is not a vapor barrier. A smart vapor retarder is a good solution for areas of mixed climate.

Why do homes need house wrap. Do not force siding into place. Maintain the illustrated 1 8 inch. Moisture barrier house wraps do the same thing but for rain snow and other outside moisture.

Read more about vapor retarders and learn how they can affect the health of your home. Learn more about membrain a smart vapor retarder. In your case the barrier would go between the studs and the smartside panels. Building codes require a water resistive barrier like tyvek behind the siding.

This new feature will only be available on expertfinish products. The installation instructions explain that smartside is installed with nails or screws not adhesive. 0 375 in x 11 844 in x 191 875 in. Your shed does not need moisture or vapor barrier unless you plan to heat or cool it.

If used lp will not warrant for. 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. And that leads to air infiltration and seepage the kinds of things that drive up energy costs. 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.

Vapor barrier if required by code breathable wrb 6 12 6 6 min. Does this wall assembly need a vapor barrier such as tyvek a. 0 437 in x 12 in x 192 in. Wall construction is important to creating a healthy comfortable home.