- Product ID: 36082
- Area of use: EXT
- Application Method: trowel or pallet knife
- Volume: 750ml
- Container Type: tin
- Colour: black
- Brand: thompsons
- Manufactuer: thompsons
Data Sheets
Thompson’s Emergency Roof Repair Mastic is a high-performance roofing compound designed to provide immediate repairs to large holes and leaks, even when applied under water. It is a bituminous mastic-based compound with a high solids content and contains specially selected ingredients that help repel water, providing a durable and effective emergency roofing solution.
Key points
– High-performance compound for emergency roof repairs.
– Immediately repairs large holes and leaks, even under water.
– Bituminous mastic-based formulation with high solids content.
– Contains water-repellent ingredients to help provide lasting protection.
Store in a cool, dry, well ventilated place away from heat and sources of ignition. Store upright and carefully reseal partly used containers.
The shelf life of Thompson’s Emergency Repair Mastic in unopened containers is 2 Years.
For more in our range of roofing products, please click here.
For more in our range of Thompsons products, please click here.
For more information on Thompsons products, you can visit their website here.
Suitable for use on all types of roofing including felt, asphalt, slate & tiles.
PREPARATION
– Ensure the surface is clean and free from grease, rust, dirt, moss and algae. If it is raining, brush away any ponded water from the repair area. If the surface is dry, remove dust and dirt with a stiff-bristle brush, then dampen the area with white spirit.
APPLICATION
– Stir thoroughly before use. Apply the mastic with a trowel or palette knife, working it firmly into the repair.
– For small cracks and holes, apply a thick layer of mastic over the repair, extending approximately 10cm beyond the affected area.
– For larger cracks and voids, embed a scrim bandage into the mastic before covering the entire repair area and extending approximately 25cm beyond it. For best sealing results, apply to a thickness of approximately 6mm.
COVERAGE
– Thompson’s Emergency Roof Repair Mastic is designed for repairs rather than large-area coverage. A 750ml tin will cover approximately 0.13m² when applied at the recommended 6mm thickness.
DRYING TIME
– The mastic provides instant waterproof protection. Allow 3–4 days for the solvents to evaporate before carrying out permanent repairs. Ideally, permanent repairs should be completed within one month of application. Drying times will vary depending on weather conditions.
CLEANING OF TOOLS
– Clean tools and equipment immediately after use with white spirit.
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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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