Metablock 4 hours

JOINT SIZE: 1-4″ (max 6″ open)*
MOVEMENT: ±50% to ±100% Expansion/Contraction
FEATURES: Versatile, fire-resistant barrier for horizontal expansion joints; 

Installs without mechanical fasteners or fire caulking;

Minimal depth of 2 1/2″ required for installation;

Ships in 7′, tongue and groove lengths for easy splicing and transitioning;

Ideal for use with elastomeric seals
PERFORMANCE: Fire resistance rating of 1-4 hours tested in accordance with ASTM E1966 and UL 2079; Seismic, Thermal and Wind movement tested per standard ASTM E 1399; Contributes to LEED® credits

MBF4H - 4 Hour