Used to repair leaks or to extend the life of an existing roof 

Colour: Grey 

Coverage: 1-2 kg per m2 

Out of stock
£23.40 £19.50

Delivery From £15 for all Standard Flat Roofing Materials.

Classic-Repair Waterproof Coating 

Classic-Repair Instant Waterproofing Liquid is ready for use and is cold applied to all types of roofs. This includes flat, pitched as well as bituminous surfaces, gutters, brickwork, asbestos, concrete, felt, metal and fibreglass surfaces. Classic-Repair is not suitable for walkways, balconies, EPDM or PVC membranes.

Features and benefits 

  • Very Low VOC
  • Hi-solids for true ‘One Coat’ Solution
  • Instant Shower protection
  • Can be used all year round
  • Can be applied straight on to damp/wet* surfaces
  • Fibre reinforced for gap filling and strength


An Overview



Stock Type

Warehouse Fulfilled


15 Litres

Brand Name




Questions & Answers (2)

Do I need to mix an activator with ClassicLiquid

No, The Classic liquid system is moisture curing and does not require an activator or catalyst. It will become showereproof 30mins after application and trafficable after 24 hours. 

Does the ClassicLiquid System come with a Warranty ?

Yes, The Classic Liquid Waterproofing system is garranteed for either 10, 15 of 20 years depending on coverage rates used. 

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