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Karnak 19 Flashing Cement 1gallon
$27.00
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In stock: 2 available
Product Details
UPC: 603009000516
Brand: karnak
Flashing Cement (Roof & Flashing Mastic)
Purpose:
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Sealing metal flashing joints
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Chimneys, skylights, vents, wall‑to‑roof transitions
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Areas that move with heat expansion
Texture:
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Thicker, more elastic
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Often rubber‑modified
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Stays flexible after curing
Performance:
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Handles movement
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Strong adhesion to metal
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Ideal for vertical surfaces
Best For:
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Chimney flashing
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Pipe boots
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Metal edges
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Valleys and joints
Roof Cement = Surface Repair
“Holes, cracks, shingles → Roof Cement.”
Flashing Cement = Metal Joints
“Chimney, edges, metal flashing → Flashing Cement.”
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Karnak 19 Flashing Cement 1gallon
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