House Wrap For Cedar Siding

Moisture barrier house wraps do the same thing but for rain snow and other outside moisture.

House wrap for cedar siding.

Dupont tyvek drainwrap is an innovative weather resistive barrier engineered with vertical grooves on the surface. 3rd party testing shows that hydrogap removes over 93 of bulk water while the leading housewrap traps over 99. Use staples or nails specifically designed to hold down house wrap material. And that leads to air infiltration and seepage the kinds of things that drive up energy costs.

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. Extend the house wrap over the footing top at least 2 inches. Moisture will find its way into these wall systems by way of cracked mortar joints gaps or cracks in the surface of the 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.

Install a drainage provision at the bottom of the external siding material if recommended. Give your homes added protection without an added step for maximum performance the western red cedar lumber association recommends dupont tyvek drainwrap for installing western red cedar siding. We ve also used the felt paper over housewrap scheme that michael chandler uses.