Novecrafto Roof Felt Adhesive - Black
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Product Information
Full details
This 5L Novecrafto Roof Felt Adhesive in Black is designed for DIY enthusiasts and professional roofers needing a reliable, waterproof bond for roofing felt on sheds, garages, and flat roofs. Its key benefit is providing a strong, durable seal against moisture and leaks using a cold-applied bitumen formula. A minor caveat is that it requires proper surface preparation for optimal adhesion.
All features
| Colour | Black |
|---|---|
| Model Part Number | 5061064157517 |
| Brand | Novecrafto |
Extended Product Information
FAQs
What is the coverage rate of this adhesive?
The Novecrafto Roof Felt Adhesive offers approximately 8-10 square meters of coverage per 5L tin, depending on the surface porosity and application thickness.
Can this adhesive be used in cold weather?
While the adhesive can be applied in cooler temperatures, it is best applied when ambient temperatures are moderate (ideally above 10°C). In very cold conditions, the adhesive may be thicker and harder to spread. Ensure the surface is dry, as frost or moisture will prevent adhesion.
How long does it take for the adhesive to cure?
The curing time can vary depending on temperature and humidity. It will typically become touch-dry within a few hours, but full adhesion and waterproofing strength develop over a longer period, often 24-48 hours for optimal results.
Is this product suitable for felt laps on a vertical wall?
This adhesive is primarily designed for horizontal surfaces like flat roofs, sheds, and garages. While it will bond, its suitability for vertical applications may depend on the specific requirements and any potential for slippage before full cure.
What is the shelf life of the adhesive?
When stored correctly in a sealed tin in a cool, dry place, the adhesive generally has a shelf life of at least 12 months.
Do I need to use a primer on concrete surfaces?
For standard concrete surfaces, a primer is usually not necessary if the concrete is clean, dry, and sound. The adhesive is formulated to bond directly to concrete.
Troubleshooting
Adhesive not sticking well
Ensure the surface is clean, dry, and free from dust, grease, or old debris. For very porous surfaces, a primer might be beneficial, though not typically required for standard felt application.
Adhesive is too thick to spread
In cooler temperatures, the adhesive may thicken. Allow the tin to warm up to ambient room temperature before application. Do not add solvents unless specifically recommended by the manufacturer for thinning, as this may compromise performance.
Water pooling on the roof after application
This indicates a potential issue with the roof's slope or drainage, not the adhesive itself. The adhesive's role is to bond the felt; ensure proper roof construction for water runoff.
Application brush becomes stiff
Clean the brush thoroughly with white spirit or a suitable solvent immediately after use to prevent the adhesive from hardening on the bristles.
Pros and Cons
Pros
- Provides a durable, waterproof seal.
- Easy to apply with a brush or roller (brush included).
- Adheres well to a variety of common construction surfaces.
- Suitable for both new roofing felt installations and repairs.
- Cold-applied nature enhances safety during use.
Cons
- Requires proper surface preparation for optimal adhesion.
- Bitumen-based products can have a strong odor during application and curing.
- May become less flexible in extreme cold temperatures over time.
- Not suitable for vertical wall applications where gravity might affect the bond before curing.
- Cleanup may require specific solvents if not done immediately.
Setup, Compatibility & Care
Setup: Ensure the surface to which the adhesive will be applied is clean, dry, and free from dust, debris, and loose material. For optimal adhesion on porous surfaces like timber or concrete, ensure they are sound.
Compatibility: This adhesive is compatible with timber, concrete, metal, and asphalt surfaces. It is designed specifically for bonding roofing felt.
Care: Store the tin in a cool, dry place away from direct sunlight and sources of ignition. Once opened, seal the tin tightly to preserve the remaining adhesive. Clean application tools (brushes, rollers) immediately after use with a suitable solvent or white spirit before the adhesive dries.