Does Smartside Siding Need Vapor Barrier

Lp does not recommend lp smartside for use in these non traditional assemblies.

Does smartside siding need vapor barrier. A vapor barrier s job is to keep water vapor in humid air from diffusing through one side of a wall and finding a cool surface inside the wall. The addition is framed wood structure with cement siding already installed cathedral ceiling and concrete floor. Vapor barrier if required by code breathable wrb 6 12 6 6 min. Building a new shed is a rewarding experience and if done right can hold up for decades.

This guide compares the advantages and disadvantages of lp smartside vs. Not every wall does. Smartside 76 primed engineered treated wood siding panel common. Lp smartside meanwhile requires far less maintenance and is more water resistant.

If you enclose the space between the ground and your shed then a moisture barrier is advisable between the plywood floor and the joists. I m having an addition built onto my existing brick home. Do not force siding into place. 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. Building codes require a water resistive barrier like tyvek behind the siding. The insulation is not yet installed. The air flow should keep the understructure dry.

Colorview makes selecting and coordinating siding roofing and trim easier and more fun. 0 4375 in x 48 563 in x 95 875 in item 88997 model xssp25915. A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor. 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.

A vapor barrier reduces the movement of water vapor by. The question i have is about the house wrap vs vapor barrier. The installation instructions explain that smartside is installed with nails or screws not adhesive. After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one.

Sheds that have 6 or more inches of air flow under them shouldn t need a vapor barrier underneath. In your case the barrier would go between the studs and the smartside panels. But this wrb is not a vapor barrier. When a vapor barrier is on the side of a wall where the dry air is i e outside in winter or inside in summer moisture problems can occur.

Maintain the illustrated 1 8 inch. Do you need to add more storage space in your backyard. Moisture barrier house wraps do the same thing but for rain snow and other outside moisture. If used lp will not warrant for.