Metacaulk Joint Strip

Flexible, precured dry intumescent strips used for concrete & masonry floor & wall joints up to 2″ (51 mm) wide, duct insulation and up to 4″ PVC/CPVC & membrane penetrations.

FEATURES:

• Intumescent expands at the exposure of heat, forming a refractory char that tightly seals preventing the spread of flame, smoke and toxic fumes
• Easy to install; single-sided application
• Highly versatile, flexible; economical
• May be covered with any color standard architectural caulk; no firestop caulk required

PERFORMANCE: UL Classified system up to 3 hrs; tested in accordance with ASTM E814 (UL 1479) & ASTM E1966 (UL 2079); VOC compliant (CDPH Standard Method v1.2); complies to Required Environmental Exposure Testing of Accelerated Aging and High Humidity as per UL 1479 Fire Test of Through-Penetration Firestops; Compliant with the Buy America Act