Cromar Roofing Felt Adhesive - 5L
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Details
Cromar Roofing Felt Adhesive - 5L is a roofing felt adhesive for felt / bituminous flat roof system applications, helping create reliable waterproof protection on flat roofs.
This roofing felt adhesive is used as part of a built-up felt roof system to create layered waterproof protection. It is commonly used on garages, extensions, dormers, porches and outbuildings, either over new OSB/plywood decking or suitable existing felt overlays where the full system allows.
Best for
- Built-up felt flat roof systems
- New boards or compatible existing felt overlays
Key features
- Brand: Cromar
- Contains bitumen/solvent blend
- Drying times vary depending on weather conditions and applied thickness
- System type: Felt / bituminous flat roof system
- Designed for long-lasting waterproof protection when installed as part of the correct system
- Available sizes: 5L or 25L
Typical applications
- Cromar Roofing Felt Adheive is a solvent based, cold applied bituminous adhesive for bonding successive layers of roofing felt, also suitable for use as a lap cement and gritting adhesive.
- Formulated specially for fixing roofing felt to roofing felt, concrete, metal and similar surfaces.
Application / installation
- Suitable for competent DIYers on small repairs; professional installation is recommended for larger flat roof areas
- Install in dry, suitable conditions unless the specific product states damp-weather application is allowed
- Surface must be clean, sound and prepared before application
- Allow for laps, overlaps and correct layer sequencing in the felt system
System components / used with
- Torch-on cap sheets, underlays and venting/base layers
- Bitumen primer, felt adhesive or mastic where specified
- OSB/plywood decks or compatible existing felt overlays
- Gas torch equipment and suitable PPE for hot works
Coverage
- Coverage: 2m² per L (approx)
- 1 x 5L tin covers 10m² (approx)
- 1 x 25L tin covers 50m² (approx)
Drying time
- Heavy application will result in extended drying times
Cromar Roofing Felt Adhesive product information
- Coverage is up to approximately 2m²/L depending on substrate and application method.
- Store in a warm room overnight in cold weather to help avoid thickening before use.
Things to consider before buying
- Coverage is approximate; allow extra for laps, overlaps, detailing and waste
- Check substrate compatibility before ordering: OSB, plywood, concrete and existing felt overlays may need different preparation
- Install in dry conditions and avoid unsuitable cold temperatures unless the product data allows otherwise
- The surface must be clean, dry and free from loose material before application
Technical specification
Coverage
- Coverage: 2 m/2 per litre (approx)
- 1 x 5 litre tin covers 10 m/2 (approx)
- 1 x 25 litre tin covers 50 m/2 (approx)
Drying times
- Drying times vary depending on weather conditions and applied thickness
- Heavy application will result in extended drying times
Technical
- Storage Life: Mimimum 12 months in unoped, tightly sealed containers
- Sore away from sources of heat and ignition