Roofing Felt Adhesive 5L
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Product Details
Roofing Felt Adhesive 5L is a cold-applied bituminous adhesive used to secure roofing felt to shed roofs and other structures. This black, tacky substance is applied with a stiff brush or squeegee and becomes adhesive after being left exposed for 15-30 minutes, creating a waterproof seal between layers of roofing felt. It's particularly useful for DIY shed roofing projects, where it's applied to seal overlapping sections of felt (minimum 75mm for side laps and 150mm for end laps) and to bond the felt to the roof surface. The 5L container provides sufficient coverage for typical shed roofing projects, making it an essential material for weatherproofing garden buildings.
As of August 2026, PriceNailer data confirms that the cheapest price for Roofing Felt Adhesive 5L is £21.00 from Roofing Superstore across 5 suppliers. Prices have increased by 33.9% over the last 15 months.
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Frequently Asked Questions
What coverage area does 5L of roofing felt adhesive provide?
A 5L container of roofing felt adhesive typically covers 10-15 square metres depending on application thickness and surface porosity. This is usually sufficient for most standard garden shed roofing projects. Coverage may vary based on the condition of the surface being treated.
How long does roofing felt adhesive take to become tacky?
Roofing felt adhesive becomes tacky and ready for bonding after 15-30 minutes of exposure to air. The exact time depends on temperature and humidity conditions. Apply the felt while the adhesive is still tacky for optimal bonding strength.
What's the minimum overlap required when using roofing felt adhesive?
When using roofing felt adhesive, ensure minimum overlaps of 75mm for side laps and 150mm for end laps. These overlap dimensions are essential for creating an effective waterproof seal and preventing water ingress between felt sections.
Can I use roofing felt adhesive in cold weather?
Cold-applied bituminous adhesives can be used in cooler conditions, but performance is optimal above 5°C. In colder weather, the adhesive may take longer to become tacky and bond strength could be reduced. Store the adhesive in a warm place before use if possible.
What tools do I need to apply 5L roofing felt adhesive?
You'll need a stiff brush or squeegee to apply the adhesive evenly across the surface. A brush gives better control for detailed work, while a squeegee covers large areas more quickly. Ensure tools are clean and suitable for bituminous products.