Roll-On. If peppering your plastic housewrap with staples or cap nails seems a little counterproductive, consider a liquid-applied weather barrier like StoGuard. The maker says the product — which can be sprayed or rolled on — is more vapor-permeable (at 17.3 perms) and less air-permeable than conventional housewrap and asphalt felt, and offers greater water resistance. Prices vary by region, but generally run from $1 to $1.50 per square foot installed. Sto Corp., 800/221-2397, www.stocorp.com.

Missile Defense. Typar's new StormWrap passes the Miami-Dade large-missile impact test (stopping a 2x4 traveling at 34 mph), says the manufacturer. The secret? Heavy-duty reinforcing fibers that make it several times thicker than ordinary housewrap. The product appears to be a smart and relatively inexpensive upgrade for homes in hurricane- and...

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