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ClassicLiquid Waterproof Coating

Used after prime as the main waterproof coating for ClassicLiquid roofing systems. 

Colour: Light Grey 

In stock
£149.40 £124.50

ClassicLiquid Waterproof Coating - 15KG

ClassicLiquid Waterproof Coating is a single component rapid curing polyurethane liquid membrane that is easy to apply over existing roofing systems, creating a durable and seamless waterproof layer. Its formulation allows a fast curing, bubble free, single coat application roofing system to be created. Due to its excellent tensile strength, there is usually no need to incorporate a reinforcing fabric, unless it is applied over a bituminous substrate, making application a breeze.

Features and Benefits:

  • Fast curing
  • Bubble free smooth finish
  • Excellent weather and UV resistance
  • Will remain elastic even down to -40°c
  • Will not soften in high temperatures
  • High tensile and tear strength,
  • excellent abrasion resistance

Recommended for Waterproofing and Protection of:

  • Asphalt and bitumen roofs
  • GRP roofing systems
  • Metal and cement fibre roof sheets
  • Gypsum and cement boards
  • Concrete roofs
  • OSB3 T&G structural roof decks


Technical Details
More Information
Stock Type Warehouse Fulfilled
Size 15 Litres
Color Grey
Questions & Answers (4)
Customer Questions
What is ClassicLiquid ?

Classic-Liquid is a polyurethane liquid system, ideal for complicated roofs where a membrane may not be an option. No nonsense straight out of the tin. This system can be laid onto many existing surfaces and has a 25-year life expectancy and 10 year guarantee.

Classic-Liquid is a low odour, single component polyurethane liquid membrane. It's formulation allows a fast curing, bubble free, single coat application, seamless roofing system to be created. Due to its excellant tensile strength there is usually no need to incorporate a reinforcing fabric, making application simple and fast. Other components offered alongside the basic system allows for a wide range of applications and solutions.

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. 

What is the Coverage rate of ClassicLiquid Waterproofing Coating

The ClassicLiquid TopCoat can be applied in different thicknesses for different guarantee periods. The minimum application rate is 1.5Kg/sqm meaning this 15Kg tin will cover approximately 10sqm For longer guarantees please use the coverage rates below:

10 year - 1.5Kg/sqm (15Kg = 10sqm)

15 year - 2.1Kg/sqm (15Kg = 7.2sqm)

20 year - 2.5Kg/sqm (15Kg = 6.0sqm)

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