The old flat roof is just used as a base a.
Flat roof overlay systems.
Ideal for flat roof repair and refurbishment projects watch our new rockwool flat roof overlay board video to find out more.
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Create a professional look when standard accessories won t work.
As an overlay system the gacoroof roofing system is a perfect example of an overlay system.
Topseal has systems suitable for both these situations.
About roof overlay systems.
Not all roofs are suitable for an overlay system and only some roofing materials are able to be used as an overlay.
Roof overlay systems are built on top of an existing roof after some preparation work to provide a new insulative layer and a weatherproof outer protection.
Roofing overlay systems many liquid applied systems can be used as overlays to existing waterproofing systems on flat roofs or profiled sheeting systems like profiled metal or fibre cement sheets.
Overlaying a flat roof or capping a flat roof means that we cover the old flat roof materials with new materials.
Topseal has a range of fibreglass flat roofing systems including the topseal direct lay system that is specifically designed for the flat roofing.
A flat roof that had been over coated with a liquid based system which itself is breaking down a bonded overlay would not be suitable although with some preparatory works a mechanically fastened overlay system might be an option.
London flat roofing would then attend the property and carry out the application of the gacoroof roofing system.
Flat roof overlay systems.
Liquid applied membranes are seamless and fully bond to the substrate making them ideal for use over waterproofing systems that have failed at laps.