Georgia-Pacific’s DensDefy Accessories line provides a new liquid flashing and transition membrane for the manufacturer’s DensElement gypsum-board barrier system. DensDefy Liquid Flashing can be used to seal seams, rough openings, and penetrations in wall assemblies, while the DensDefy Transition Membrane is designed to seal the transition between OSB and gypsum assemblies, as well as wide gaps and other difficult transitions. Liquid flashing comes in 20-ounce sausage rolls; membrane comes in 75-foot rolls in 6-, 9-, and 12-inch widths. Contact a local distributor for pricing.