Dow Corning Brown Firestop Putty Aerosol, 300 ml

Technical Reference
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): US
Product Details

Great Stuff Minimal Expanding Foam Filler

A polyurethane foam sealant for filling gaps around pipework and as an air seal around frames, ducts and wiring penetrations.

Adheres to most surfaces including wood, metal, glass, masonry, most plastics etc.
Provides insulation and sealing benefits
Fill cavities 40% full and inspect after 45 minutes to determine if second application is needed
For best results use entire contents within 24 hours (can be stored for later use by plugging straw with 2in nail or screw)
Yields approximately 60m x 1 cm bead
360 degree application


Ensure that the product is stored upright

Supplied with

Material safety data sheet

Dow Corning Firestop Putty Aerosol

The Dow Corning brown, 300ml firestop putty aerosol is a moisture-curing, one-component polyurethane aerosol foam sealant. This product is composed of polyurethane and contains environmentally safe propellant. It yields approximately 60m x 1cm bead.

Ensure that the product is stored upright
Supplied with:
Material safety data sheet

Features and Benefits

• Adheres to most common building materials including wood, concrete, wallboard and plastic, except for smooth-surfaced polyethene, silicone, oil and grease or similar substrates.
• Can be used at temperatures between 5°C and 25°C
• The optimal processing temperature is between 18°C and 25°C
• Full foam setting time is 12 hours. Once fully set, the foam can be trimmed, sawn, sanded, painted or plastered over
• Thermally stable between -30°C and 80°C
• It is durable and permanent except when exposed to UV-rays
• The heat insulation values are excellent
• Using this will guarantee superior dispensing control and maximum reusability


• Filling holes, gaps, cracks and cavities within various building materials
• Sealing voids and connection joints between different building materials
• Reducing and controlling air-leakage in the building envelop and thereby sound transmission as well
• As an aid to mechanically fixing and insulating door and window frames
• Air sealing and stabilizing pipe entries through brick work and other walls and showers


• ANSI/ESD S20.20:2014
• BS EN 61340-5-1:2007

Attribute Value
Product Form Polyurethane Foam
Package Type Aerosol
Colour Brown
Package Size 300 ml
182 In stock for FREE next working day delivery
Price Each
£ 8.58
(exc. VAT)
£ 10.30
(inc. VAT)
Per unit
1 +
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