BBSW – Pre-compressed Secondary Seal

JOINT SIZE: 0.5-8″
MOVEMENT: ±50% Expansion/Contraction
FEATURES: Easy to Install; Installs without mechanical fasteners; UV stable, chemically resistant, watertight, mildew resistant, dust-proof, airtight, sound resistant, insulated; Ships in 5′ lengths
PERFORMANCE: Meets 21 psi min. tensile strength per ASTM 3574; Self-extinguishing per UL 94VO; flame spread 0 per ASTM E84; Sound transmission loss rating as high as 50 STC, 46 OITC per ASTM E90; Air leakage (L Rating) minimum of <0.01 cfm/ft2 per ASTM E 283; 12 psf water resistance per ASTM E331; Seismic, thermal and wind movement per ASTM E1399 standard; Contributes to LEED® credits

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