House Wrap For Cedar Siding

Install a drainage provision at the bottom of the external siding material if recommended.

House wrap for cedar siding.

Nails should be at least 1 inch long and spaced 12 to 18 inches on center. We ve also used the felt paper over housewrap scheme that michael chandler uses. Use staples or nails specifically designed to hold down house wrap material. We used tyvek s crinkle wrap on a couple of cedar siding projects as a cost saving alternative to obdyke s homeslicker but we were only comfortable with it because we used the zip system sheathing under the tyvek.

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. Did you know that major siding manufacturers such as james hardie and boral have recently issued drainage requirements behind their products drainable housewraps with a drainage efficiency of at least 90 when tested according to astm e2273 are now recommended or required behind. Moisture will find its way into these wall systems by way of cracked mortar joints gaps or cracks in the surface of the material. And that leads to air infiltration and seepage the kinds of things that drive up energy costs.

Moisture barrier house wraps do the same thing but for rain snow and other outside moisture. Dupont tyvek drainwrap is an innovative weather resistive barrier engineered with vertical grooves on the surface. When building exterior walls with stone stucco brick when building exterior walls with stone stucco brick cedar eifs or fiber cement siding it is important to use an effective rain screen system that will provide a means for drainage and ventilation.