Brock White
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ULTRA BLOCK

Fire-rated expansion joint which offers a smoke and toxic fume seal. Ultra Block is a patented textile fiberglass with fiberglass matte facing, containing approx. 30% by weight unexpanded vermiculite. Ultra Block is primarily used in fire rated construction joints.
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BW Item No Description Unit Quantity
0729210 ULTRA BLOCK 1/2" X 3.5" 600 LF/BAG BAG
0729214 ULTRA BLOCK 3/8" X 3.5" 700 LF/BAG BAG

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