Fasteners and Safety firestop caulk is availiable in silicone, latex, intumescent, and acrylic formulas. Firestop caulk provides a tight and dependable seal against fire, smoke, toxic fumes, and moisture. Firestop caulk is ideal for new construction or retrofit applications in electrical, plumbing, HVAC, and construction applications. 

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10.1 FL. OZ Tube - Acrylic
- Designed for use in fire stopping configurations at: Slab-edge/exterior wall systems in..
$7.40
10.1 FL. OZ. Tube - Latex
- Designed for use in fire stopping configurations at: Slab-edge/exterior wall systems in..
$9.49
10.1 FL. OZ. Tube - Sodium Silicate
- Made of Sodium Silicate to form a hard surface when cured - Designed for Residential interi..
$6.06
10.3 FL. OZ. Tube - Silicone Fire-Stop
- Designed for use in fire stopping configurations at: Slab-edge/exterior wall systems in..
$10.50
2" x 4" x 48" Precut Mineral Wool
- Pre-formed, semi rigid, non combustible mineral fiber felt - Pre-cut to facilitate immediat..
$52.58
2X4X1/4 Single Box Insert
- An economical alternative to putty pads - Used to maintain hourly fire-resistance rating of..
$6.06
4X4X1/4 Double Box Insert
- An economical alternative to putty pads - Used to maintain hourly fire-resistance rating of..
$7.09
66 CU" Fire Barrier Putty Stick
- Designed for use in through penetration fire stop configurations. - Forms a durable flexibl..
$41.22
7X7-1/8 Putty Pad
- Used to maintain hourly fire resistance rating of fire resistive walls and partitions containin..
$7.80
Fire Barrier Pillow
- Quick and clean single product installation - No sealant or putty required - Ideal for ..
$10.64