Ultra Block 1/2" X 4" 540 Lf Per Bag

Part #ULTRA BLOCK UB 124

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4" x 60 Linear Ft Roll, 1/2" Thick, 3/4" W Joint, Black, Fiberglass, Organic Slight Odor, Physical State Solid, Ultra Block Joint (540 Linear Ft per Bag)

ULTRA BLOCK® is a pre-engineered, patented textile fiberglass with fiberglass matt facing, containing approximately 30% by weight unexpanded vermiculite. ULTRA BLOCK® is primarily used in fire rated construction joints.

Brand:	Ultra Block
Item:	Ultra Block Joint

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