What do you put underneath siding?

What do you put underneath siding?

To sum it up, house wrap is a lightweight, paper-like material that is most often used to completely cover the house, directly on top of the sheathing and behind the vinyl siding. Its primary purpose is to prevent air and water leaks that may have seeped past the vinyl exterior.

Do you need house wrap under wood siding?

Generally, if you’re installing vinyl, aluminum or wood siding, you will likely need to use a house wrap. Wood siding, for instance, benefits from house wraps because it usually has several seams with overlapping boards.

Can Housewrap be used inside walls?

No, DuPont™ Tyvek® is not a vapor barrier. It is made with unique material science to keep air and bulk water out while allowing moisture vapor inside walls to escape.

How do you seal the bottom of your house wrap?

Seal the bottom of the house wrap to the sheathing with caulk or tape. Overlap the layers shingle-style as you go up the wall—like roofing shingles. Overlap vertical seams 6-12 inches. Overlap horizontal seams 6 inches (upper layer over lower layer).

Can you put siding directly against a weather barrier?

Installing siding directly against your weather barrier will greatly reduce the ability of a wall to dry. This isn’t very common anymore but it does still happen. Always install strapping to separate the siding from the weather barrier. And a common practice to avoid is installing strapping horizontally.

Where does the hardiewrap weather barrier go on a house?

HardieWrap weather barrier is installed over the sheathing—beneath the exterior siding—to reduce water and air infiltration. I’ve been using Hardie siding in the Texas heat for over 10 years. The homes I built then still look brand new today.

What is the best house wrap for steel siding homes?

The best protection against condensation and moisture infiltration into the wall system of a steel-sided building is the application of a high-quality house wrap that meets and exceeds the requirements of the IBC 1402.2 and IRC R703.1.1 for weather-resistant barriers, like Barricade® Building Wrap.

Can a Tyvek weather barrier be installed vertically?

However, Tyvek® StuccoWrap® and Tyvek® DrainWrap™ have a specially engineered surface that should be placed with the grooves facing outwards in a vertical direction. Can Tyvek® weather barrier be installed vertically, instead of horizontally (drop it down from the top)?