Fire Blocks | McMaster-Carr

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Ovens and Furnaces

Walls and Ceilings

Heat Flow Rate @ Temperature

0.2 BTU/hr @ 72° F

0.154 BTU/hr @ 75° F

1.7 BTU/hr @ 1,500° F

2.2 BTU/hr @ 1,500° F

3.1 BTU/hr @ 1,500° F

9.6 BTU/hr @ 1,500° F

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Abrasion Resistant

Flame Resistant

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88 Products

Spray Foam Insulation

Fireblock Spray Foam Insulation

Fireblock Spray Foam Insulation

Often used around outlets and plumbing openings to keep flames from spreading

Spray Foam Insulation

Spray Foam Insulation

Seal cracks in walls, windows, and doors to protect against drafts

Quick-Cure Spray Foam Insulation

Quick-Cure Spray Foam Insulation

Begins to harden in 3 minutes so you can cut, sand, and finish your surface

Flame-Retardant Gap-Filling Spray Foam Insulation

Flame-Retardant Gap-Filling Spray Foam Insulation

Meets ASTM standards for flame and smoke

Other Products

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)