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Thompson's Emergency Roof Repair Mastic - Black 750ml

Home Shop Repair & Protect Surface & Material Protector Thompson’s Emergency Roof Repair Mastic – Black 750ml
Product SKU: SW36082
£17.49incl VAT.
£14.58excl VAT.
In Stock

Thompson’s Emergency Roof Repair Mastic is crafted to deliver a high-performance roofing compound that immediately repairs the large holes in leaking roofs, even under water.

  • Suitable for application in wet weather
  • Dries immediately
  • Delivers a water-tight seal
  • Average coverage of 0.17m² per litre
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Quantity Price
1 £17.49
2+ £16.62
Total Price
£17.49 Incl VAT
£14.58 Excl VAT

Uses

Emergency Roof Repair Mastic by Thompson's immediately repairs large holes or gaps in flat roofs. It is formulated with a unique formula, compiled of bituminous, mastic-based compound with a high solid content, which aids in bridging gaps and providing a secure seal, even in heavy rain or under ponding water. The surfaces which this product is suitable for include;

  • Felt
  • Asphalt
  • Slate
  • Tiles

Preparation

If it is raining: Brush away any ponded water from the area of repair

If it is dry: Remove any dust or dirt with a stiff brush and also carry out any structural repairs if required

Application

  1. Use a trowel or pallet knife to work the mastic into the repair

For small cracks & holes: 

  1. Pack the repair with a thick layer of mastic
  2. Ensure you cover the whole area plus 10cm around it

For larger cracks & voids: 

  1. Use a scrim bandage to reinforce the repair
  2. Put a thick layer of the mastic over the repair and embed the bandage into the coating
  3. Complete the repair by covering the whole area, plus about 25cm around it.

Additional information

Appearance

Very high viscosity liquid/paste.

VOC Content

Medium (8-24.99% w/v).

Odour

Solvent type.

Flammability

Flammable.

Coverage

0.13m² Per Litre

Technical Data Sheet

Product Information

Appearance

Very high viscosity liquid/paste.

VOC Content

Medium (8-24.99% w/v).

Odour

Solvent type.

Flammability

Flammable.

Coverage

0.13m² Per Litre

Technical Data Sheet

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