What are the difference in a 10 year system to the 20 year system

The difference is in the quality of the membranes the 10 year system is a economy roof system the cap sheet that will be typically OK to minus 10 degrees were as a 20 year system will be -35 degrees BBA rated and carry a fire rating and have a stronger carrier a 10 year system has a 2mm underlay a 20 year system has a 4 mm underlay.

How many layers will a flat roof have

A standard installation will have 3 layers the first layer is a perforated felt which allows trapped gases and moisture to disperse. the second layer is a underlay laid with separate apron upstands the third being the cap sheet. also laid with separate aprons. insulated roof systems are 5 ply as a waterproofed metal lined vapor barrier is installed to the deck then the p.u.r boards.

What is the difference between App and SBs roofing felts

The basic difference between SBS and APP is that APP-modified bitumen is a "plastic asphalt" and SBS-modified bitumen is an "elastic asphalt." ... While its melting point is only slightly lower than that of APP, higher end felts are typically SBS as it doesn't have the same flow characteristics as APP-modified bitumen.

Will my flat roof need to be maintained and inspected

whatever type of roof you have installed be it torch on , fiberglass ,EPDM, single ply if laid as a licensed installer will need to be annually maintained and inspected as part of the guarantee requirements , the same as a new car has to be serviced to use a metaphor.

Are the guarantees for material and labour

The guarantees are covered for material and labour by the manufacturer when being installed by a Licensed approved installer the guarantees are insurance indemnified by Groupama .

Why us

We have been installing flat roofs for 29 years we started off using hot pots and roll and pour methods, and have moved on with the technology working closely with manufacturers by adapting there standards in the design and training. Commercially we have installed tens of thousands of meters as a preferred contractor and our commercial expertise we bring to the domestic market.