Useful tips

Can I use Tyvek under Hardie plank?

Can I use Tyvek under Hardie plank?

Tyvek is not a vapor barrier, so it would be ok to install on your exterior. 4×8 foam products would also work fine in my opinion, provided they are rigid. The Hardiplank web site comments: “Hardiplank lap siding can also be installed over foam insulation up to 1” thick.

Do you need house wrap under Hardie siding?

With fiber cement siding, the heavy material may compress the wrap so it’s extremely important that a non-woven wrap is used. This is because the heavy siding may lead to a build-up of moisture behind it, which in turn, can lead to mold growth and wood rot if that moisture is not properly addressed.

What do you put behind Hardie board?

Joint flashing: James Hardie recommends that a slip sheet (joint flashing) is installed behind each butt joint in the siding. This is a 6” wide piece of weather resistive material to make sure that no water gets through.

What is the best house wrap?

Comparing 5 Common House Wrap Options

  • Barricade® Wrap Plus. Barricade® Wrap Plus is a non-perforated, non-woven polyolefin product with a semi-permeable membrane.
  • Tyvek® HomeWrap. ®
  • HomeGuard® House Wrap.
  • CertainTeed CertaWrap™
  • The ZIP System.

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 kind of material is Tyvek house wrap made out of?

Tyvek® HomeWrap®, a product of DuPont™, is made from non-perforated, non-woven, high-density polyethylene fibers that are fused to create a uniform web. The web creates tiny pores that resist water and air penetration while permitting vapor to pass through.

Is it OK to use tyvec under Hardie siding?

Selecting a product because of price is not what we do here. An OSB, or any T&G exterior sheathing with properly installed and taped Tyvec or a house brand wrap also works very well.

Which is better for water resistance tyvek or felt paper?

There are several ways to measure the ability to stop liquid water from passing through. In general, products with high permeability, such as perforated housewraps, do less well on water resistance tests. In practice, however, all approved sheathing wraps do a good of shedding liquid water in an actual building. Air Infiltration.