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Roof Repair / Sealants

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Rust-Oleum Waterproof is an instant leak repair coating based on solvent soluble high polymers (acrylic and alkyd binders) reinforced with fibres.

Main Properties

  • A ready to use waterproofing repair compound for instant leak repairs in any weathercondition
  • Ideal for repairs to roofs, gutters, drain pipes, ridge-pieces, sky lights, cornices,chimney stacks, pipes, etc.
  • Seals leaks instantly, even on damp or wet surfaces
  • Forms adurable elastic coating (1300%) that withstands temperature changes and UV-light
  • Bridgescracks up to 2 mm (larger cracks can be treated with a special reinforcement fleece)
  • Adheres to: roofing, felt, slate, corrugated, bitumen, asphalt, hard PVC, polyester, zinc,brickwork, aluminium, glass, tiles and many other substrates
  • Available in 5 litre packaging orin a handy 1 litre emergency repair set.

Recommended Uses

Waterproof finish of roofs, non-walkable terraces, gutters, ridge-pieces, chimney stacks,pipes, etc.   


Theoretical: 1 - 2.5 l/m² 
Practical: Practical coverage depends on many factors such as porosity and roughness of the substrate and material losses during application

Surface Preparation

Remove any standing water, algae, lichens and loose chippings thoroughly. Clean the spots to be repaired with a hard broom and wash with a wet sponge. After cleaning 3486 can be applied directly to the substrate. Minimum wet film thickness 1mm. In case of repeatedly repaired spots, important or active cracks apply 3486 crosswise over the cracks or fissures.

Please read data sheets carefully prior to application.

Please note that delivery lead times for this item may vary. Please feel free to contact the office on 01934 825850 for a confirmed delivery date prior to ordering.


Immediate waterproof repair compound for roofs, non-walkable terraces, gutters, ridge-pieces, chimney stacks, pipes, etc.

Thick waterproofing repair compound

For use in any weather (even in the wet)

Adheres to wet surfaces

Fibres reinforced

Crack bridging (2 mm) - 1300% elastic


Please select a colour to see size/pack options:


Please note that the colour swatches above are representative only. This product's actual colour may differ. For further details please contact us.



Price: £13.38

£16.06 incl VAT

Disclaimer: All products purchased via this website must be used in conjunction with the product data information provided.
Roadcraft Safety Products Ltd cannnot be held responsible for any performance failures where mixing or application instructions have not been adhered to.