Coverage: Covers approximately 2m² per litre.
Storage: Store in undamaged, tightly sealed containers for a minimum of 12 months. Keep containers sealed and store away from heat sources and ignition points.
Cromar Roofing Felt Adhesive
- Suitable For: adhering felt
- Area of use: EXT
- Application Method: stiff brush/squeegee
- Volume: 1L, 2.5L, 5L, 25L
- Container Type: tin
- Type: adhesive
- Colour: black
- Brand: Cromar
- Manufactuer: Cromar
- Box Size: 1
Cromar Roofing Felt Adhesive is ideal for bonding roofing felts to metal, timber, concrete, and asphalt, as well as for lap cement and bonding chippings to flat roofs.
Surface Preparation:
Ensure all surfaces are free from oil, dirt, dust, and loose debris. Remove any algae or fungus growth with a stiff brush and treat the surface with a fungicide to eliminate remaining spores and prevent regrowth.
Application:
Apply Cromar Roofing Felt Adhesive using a stiff brush, mop, or squeegee. To prevent thickening in cold weather, store the adhesive in a warm room overnight before use. Apply the adhesive to the surface and leave it for 15 to 30 minutes (depending on drying conditions) to develop full thickness. Place the roofing felt into the wet adhesive film, ensuring maximum contact by rubbing or rolling each section to expel trapped air. Whenever possible, unroll the felt directly into the adhesive and roll it with a light roller (15-25kg). Overlaps should be at least 75mm on the sides and 150mm at the ends. For a complete bond at the laps, apply and compact Cromar Roofing Felt Adhesive to the underside of the felt. For timber structures, nail down the first layer of felt, then bond subsequent layers with the adhesive. For porous concrete surfaces, prime the surface first and allow the primer to dry completely before applying the first layer of felt. After 24 hours, check all bondings, especially the laps, to ensure full adhesion.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
|
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
|||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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