All three snap onto the drywall before hanging. They protect drywall from moisture, separate the gypsum from the slab and give rubber base continuous backing. For interior use. Fasten the drywall as usual.
Non-fire-rated walls
Sealant comparison: ASTM E90 report H7844.01-113-11-R0. Higher STC results come from separate wall tests.
1- and 2-hour fire-rated walls · BW-S-0078
UL Joint System BW-S-0078; acoustic results are from separate wall tests.
Non-fire-rated walls
Sources: Plus installation instructions §3.03 J and non-fire-rated air-leakage test.
Profile and wall dimensions. Profile height measures the product. Board fit refers to drywall thickness. GA-216 requires at least ¼ inch between the gypsum and floor; BW-S-0078 specifies a nominal ¾-inch joint. Plus has a 1¾-inch profile and provides over an inch of vertical water protection.
Sound results apply to the tested wall designs.
Read the complete BW-S-0078 system