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DAP Silicone Firestop Sealant Gray 10 oz Fire Rated ASTM E1479 UL 2079

SKU: 18806
Weight 1.5 lbs
Dimensions 12 × 11 × 5 in
Condition

New

Manufacturer Part Number

18806

Brand

DAP

$69.99

In stock — available to order.

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QuantityUnit priceSaving
1–4$69.990%
5–9$66.495%
10+$62.9910%

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DAP Silicone Firestop Sealant – Gray – 10 oz Tube

The DAP Silicone Firestop Sealant is a fire-rated, elastomeric silicone sealant designed for sealing fire-rated non-combustible service penetrations and construction joints in both horizontal and vertical fire separations.

This gray firestop sealant provides ±25% joint movement capability, maintaining an effective fire barrier even with building movement. It meets ASTM E1479 and UL 2079 specifications, making it suitable for commercial, industrial, and code-compliant installations.

Key Features:

  • Fire-rated silicone sealant

  • ±25% joint movement capability

  • Meets ASTM E1479 & UL 2079

  • For horizontal & vertical fire separations

  • Gray color for professional finish

  • Designed for non-combustible substrates

Typical Applications:

  • Fire-rated wall and floor penetrations

  • Construction joints in fire separations

  • Mechanical, plumbing, and electrical penetrations

⚠️ NOTE: Always verify system compatibility and firestop assembly requirements per local building codes and inspection standards.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Key Features

  • Genuine DAP Silicone Firestop Sealant
  • 10 oz standard caulk cartridge
  • Gray silicone formulation
  • Fire-rated sealant for through-penetrations and construction joints
  • Helps prevent the spread of fire, smoke, and toxic gases
  • Meets ASTM E1479 testing requirements
  • Meets UL 2079 fire-resistance standards
  • Flexible after curing to accommodate movement
  • Excellent adhesion to most construction materials
  • Interior and exterior applications
  • Easy application using a standard caulking gun
  • Durable, weather-resistant, and long-lasting

Applications

Ideal for sealing around:

  • Electrical conduit
  • Cable penetrations
  • Copper, steel, and PVC pipes
  • HVAC duct penetrations
  • Fire-rated walls and floors
  • Expansion joints
  • Mechanical equipment penetrations
  • Commercial buildings
  • Residential construction
  • Industrial facilities

    Why Choose DAP Firestop Silicone?

    DAP is a trusted manufacturer of professional-grade sealants and construction products. This firestop silicone sealant is specifically formulated to provide reliable fire-resistant sealing while maintaining flexibility and durability, making it an excellent choice for contractors, maintenance professionals, and facility managers.


    Shipping & Handling

    • Securely packaged to prevent damage during shipping.
    • Ships promptly after payment is received.
    • Carefully inspected before shipment.

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

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