With easy-to-apply DuPont products, you’ll be equipped to seal out drafts and air leaks, block bulk water, and promote drying – keeping everybody inside comfortable in all types of weather.

Moisture management starts with the wrap. HardieWrap® weather barriers deliver the performance you've come to expect from James Hardie.

GreenGuard's business is to help you build the most protected and durable walls possible. Their residential line is filled with products that help block water and air infiltration and add insulating power.

MFM Building Products provides an entire "envelope" of weather barrier products and flashing products.

Choose Roofmaster® membranes and flashings for your next roofing job.

The TYPAR® Weather Protection System provides superior air and water holdout, exceptional moisture vapor transmission, superior tear strength and optimal surfactant resistance PLUS The TYPAR Advantage.

The range of DuPont™ Tyvek® flashing products are durable, tough, tear-resistant and deliver superior protection from water damage and perform through extreme temperatures (they can even handle prolonged exposure to UV light).

As the leader in the through-wall flashing industry York has led the charge to create flashings that are compatible with the air barriers and insulations that populate the cavity wall.