ALLCOAT Leak Repair

High performance all weather coating with outstanding waterproofing properties

Leak Repair


1litre – £17.71

ALLCOAT Leak Repair is a high performance all weather coating designed for use when emergency waterproofing of roof areas is required. It has outstanding weatherproofing and waterproofing properties for any roof or gutter surface including asphalt, bitumen, mineral felt, asbestos cement, concrete and metal surfaces all in a single application.

Formulation comprises polyacrylic and polyacrylate resins combination with dewatering polymers and surface wetting agents. By combining the very latest acrylic polymer technology ALLCOAT has produced a material that provides excellent waterproofing to any roof or gutter regardless of weather conditions. Simple application is by brush or squeegee with no priming required. This material can be applied in all weather conditions including falling rain and in temperatures down to 0*C (32*F). It’s fibre reinforced structure gives it great crack bridging capabilities.

Typical Uses

  • Flat Asphalt Roofs – Will reduce weight loading and provide long term waterproofing
  • Gutters – Cost effective instant waterproofing of all types of gutters
  • Flat Roofs – Provides waterproofing on small flat roof areas in any weather
  • Down pipes and Hoppers – Stops leaks on joints immediately
  • Emergency Patch Repairs – Seals leaks instantly to weatherproof affected areas
  • Around Roof Furniture – Will seal around roof plant fitted retrospectively to existing substrate

Features & Benefits

  • Suitable for all substrate types
  • All weather application
  • Fibre reinforced
  • Excellent adhesion
  • Flexible
  • Crack bridging capabilities
  • Will seal through ponding water
  • Low temperature application
  • Instant waterproofing

Surface Preparation

Dirt build up, moss and loose material should be removed by scraping or brushing with a stiff bristled brush. Any cracks and gaps should be raked out to remove dirt build up. Large expanses of standing water should be removed by sweeping, small quantities of water may be allowed to remain without affecting the performance of the ALLCOAT Leak Repair. In cold conditions any ice present on the surface must be removed.Any oil or grease contamination should be removed by wiping with ALLCOAT Degreaser Solution.


ALLCOAT Leak Repair should be applied directly to the substrate, no priming is normally required. Application can be carried out by brush; best results are achieved when product is “stippled” into cracks and rough surfaces.

ALLCOAT Leak Repair can be applied in all weather conditions including falling rain and temperatures down to 0*C

ALLCOAT Leak Repair must NOT be applied over ice.

Only use disposable application tools

Theoretical Coverage Rate

1.12m2 / Kg at 500 microns dft

Recommended Film Thickness

Wet :750 Microns (30 mils)
Dry: 500 microns (20 mils)


1 litre, 20 litres, 5 litres


Mid Grey

Touch dry

4 – 6 Hours

Dry to Foot traffic

24 Hours

Minimum Overcoating

4-6 Hours

Maximum Overcoating

Indefinite (Providing surface is clean & dry)


Drying & Curing Times at 20*C

Mixing Ratio

Supplied ready for use


Viscous coloured thixotropic liquid

Volume Solids




Moisture Vapour Permeability ASTM E96

2.73 x 105

Tensile Strength ASTM D412

40% (350 psi)

Elongation ASTM D412


Tear Strength ASTM D624

12Kg / cm (60psi)

ALLCOAT Leak Repair TDS   ALLCOAT Leak Repair TDS


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