Dryline building wrapsby National Shelter Products

    Dryline building wraps are available in four grades. Dryline W is a high-strength, micro-perforated wrap engineered for value-oriented projects, the maker says. Dryline LP and HP are nonperforated wraps offering weather protection in both low-perm and high-perm versions. RainDrain is a multi-directional drainage wrap combining weather-resistance and functional drainage capabilities, the manufacturer adds. 800-552-7775. www.nationalshelter.com.