The maker's first housewrap product, CertaWrap Weather Resistant Barrier, provides a secondary water barrier behind cladding. It is backed by a 10-year warranty when installed as a system with its accessories, including CertaFlash BA peel and stick window flashing and CertaFlash Flex flexible flashing. The product resists mold and will not disintegrate over time, the manufacturer says. 800.233.8990. www.certainteed.com