Warm Flat Roof Cost

A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface.

Warm flat roof cost.

The thermal efficiency isn t as good as with warm roof. The cost of installation starts at 5 5 5 per square foot but can go up to as much as 7 9 per square foot depending on roof size and complexity. Accessibility a flat roof 3 storeys up is. 65 105 m receive a customised quote cold roof insulate from the inside.

This way you will get the most out of your insulation. So if replacing a flat roof get your roofer to check the existing roof and consider raising one end of the roof a couple of inches higher if you have problems with standing water in the past. Lead bay roofs are even more expensive starting from 300 per m2. This includes tear off insulation and the new roofing membrane.

Recently fibreglass flat roof systems have been used on commercial jobs over 60m. The cost of a fibreglass roof can range from 70 per square metre for a basic rear roof without insulation up to 140 per square metre for a warm deck roof. Flat roof prices start from 40 per m2 for felt roofs. Use this flat roof calculator as a general guide to flat roof prices in the united kingdom.

A look at replacement flat roof prices updated may 2020 flat roofs are more likely to leak than any other type of roof covering. Why do fibreglass roofs crack. Warm roof insulation ensures the entire roof structure is insulated meaning a warm deck roof is more energy efficient than a cold roof. Flat roof cost per square metre.

You may wish to replace any fascias and soffits around your flat roof with new upvc plastic or paint any existing timber ones. Rubber roofs costs start from 80 per m2. For example some obstacles to get past may include pipes multiple or complicated trims internal drainage insulation ventilation or flat roof material upgrades. The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting.

The breakdown warm roof vs cold roof. Other costs to consider. Flat roof replacement costs. You may wish to replace any guttering to the edge of the flat roof.

For fibreglass expect to pay from 90 per m2 and for fire glass bay roof from 250 per square metre. In case of a warm roof your roof is part of the insulation shell. Cost of a warm flat roof. This will of course involve some additional costs but should add many years to the life expectancy of the roof so will normally be worth the extra cost.

Flat roof replacement costs factors that may alter the price of a new flat roof.