- Brand: thompsons
- Manufactuer: thompsons
Thompson’s Emergency Roof Repair Mastic 750ml is a high-performance bituminous repair compound designed for quick and effective emergency roof repairs. It is ideal for sealing cracks, splits, and holes in flat roofs and other roofing materials such as felt, asphalt, slate, and tiles. The thick mastic formula fills and bridges gaps to create an immediate watertight seal, even in heavy rain or on damp surfaces. It can be applied directly with a trowel or spatula and dries almost instantly, making it suitable for urgent repairs where leaks need to be stopped quickly. Its flexible composition allows it to move with the natural expansion and contraction of roofing materials, ensuring a durable and long-lasting repair.
Thompsons EME Roof Repair Mastic 750ml is a ready-to-use, flexible bitumen-based roof repair compound designed for quick and reliable repairs on a wide range of roofing surfaces. Suitable for use even in damp conditions, it creates a strong, weatherproof seal that helps stop leaks and protect damaged areas. The thick mastic formula is ideal for sealing cracks, joints, and holes in materials such as felt, asphalt, concrete, metal, and roofing tiles. Easy to apply with a trowel or filling knife, it adheres well to most common roofing materials and remains flexible after curing, allowing it to withstand temperature changes and movement without cracking. The 750 ml tub size makes it convenient for small to medium repair jobs around the home.
Application & Limitations (Description):
Thompson’s EME Roof Repair Mastic 750 ml is a bitumen-based sealant designed for quick emergency repairs on roofing surfaces. It is commonly used to seal cracks, splits, holes, and leaks on materials such as felt roofs, asphalt, concrete, metal, and bituminous surfaces, and it can even be applied to damp surfaces during urgent leak repairs. The mastic is typically applied using a sealant gun, where it forms a flexible, waterproof seal that helps prevent water penetration. However, it has several limitations: it is primarily intended for temporary or maintenance repairs rather than full structural roof restoration, should not be used on plastic or polystyrene surfaces, and may soften under extreme heat or prolonged standing water. Proper surface preparation improves performance, and it is not suitable for areas subject to heavy movement, large gaps, or long-term immersion in water.
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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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