Fire Block High Heat Sealant & Repair Mortar – 300 mL
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- $10.00
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- $10.00
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- Stone Mason Fire Block — ASTM E136 rated high heat sealant and repair mortar; resists temperatures up to 1093°C (2000°F)
- Blocks drafts, smoke, and fire; ideal for fireplaces, furnaces, chimneys, and ductwork
- 300 mL (10.1 fl oz) caulking tube; standard caulking gun application
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