Commercial/Industrial Roofing

Topseal is widely used for a variety of commercial and industrial applications. Our system is cold applied without the need for heat or flames, and cures within an hour of installation making it much quicker than many other liquid applied systems and coatings. For technically challenging projects, Topseal is one of the most versatile roofing systems available. The ease of use to encapsulate or incorporate almost any detail has led to it being frequently specified for waterproofing difficult gutters or areas with a high level of complexity including, tanking, lining and gulleys in any pitch to vertical. Topseal is BBA approved, has fire retardant properties to BS476 part 3 EXT.F.AA, is available in a range of colour and finish options and is only fitted by our trained and approved installers. Select the standard Topseal system for a 25 year guarantee or Topseal HD for an extra durable system with a 30 year guarantee or for a commercial roof that needs a flat roofing system with extreme durability you can choose the Topseal DoubleTop system that comes with a 40 year guarantee.

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Product Selector

Step 1 of 5

Guarantee Period/System

Please select the type of guarantee that you require

25 year materials and workmanship guarantee

30 year materials and workmanship guarantee

40 year materials and workmanship guarantee

Step 2 of 5

Roof Type

Please select the type of roof that you require

Warm roof

(insulation incorporated into roof build-up, rather than just between the joints) - for most domestic within the main structure of the building

Cold Roof

For garages or other stuctures outside of the main structure of the building

Step 3 of 5


Please select a colour of your choice from the colour range

Due to variances among colour monitors and different operating systems, the colours that appear on your screen in our colour chart and other places throughout or site may not be the exact result that you achieve. These colours are provided as a rough guide only

Selected Colour:

Step 4 of 5


Please select the type of roof that you require


This is the standard effect finish, suitable for most types of conditions. The finish is smooth.


Coated aggregate is a type of non-slip coating which is incorporated into the final layer of topcoat for a coloured slip-resistant finish.


A non-slip finish is an exposed non-slip finish, which is the most effective and recommended for areas of regular foot traffic.

Step 5 of 5