Warm Roof Cold Roof

Part L1B of Building Regulations and Flat Roofing

A lot customers have never heard of Part L of the Building Regulations and I find myself explaining these regulations all the time, so I have uploaded this video and hope that it helps anybody looking to find out more. Part L and flat roofing are becoming more and more tied together. We always try to form a warm roof for our flat roofs, we find that a warm roof construction for flat roofing is by far the best flat roof.

Read more...

Warm Roof / Cold Roof

What is a warm roof? What is a cold roof? In this video I show a warm roof construction on a flat roof that has gone wrong, I show how a warm flat roof should be built and how a cold flat roof should be built. The term “Warm Roof” acutely refers to the space under the roof insulation and not the roof itself. The same applies to the term “Cold Roof”.

Read more...

What Can Happen if You Don’t Get the Vapour Barrier in the Correct Place

One thing’s for sure, all the insulation on the roof will have to come out and we will have to probe the timbers to find out their moisture content before we can even think of re-roofing. We have our suspicions that not only was the vapour barrier not installed correctly on this roof, but the roof was also leaking in places. I will post more videos as the job progresses.

Read more...

Wet Joist Inside A New Flat Roof By London Flat Roofing

This roof is leaking or sweating, so we’ve been asked to make some inspection holes to see if we can determine the cause of the problem. We first noted that the falls on the roof are incorrect and inadequate, as water is puddling. For a 4 year old building, this is not a good sign. One of the things that kills a flat roof is incorrect falls, and that is the case here.

Read more...

Replacing An Asphalt Roof With A New EPDM Rubber Flat Roof

Replacement of an old flat asphalt roof using insulation covered with EPDM, a skylight and a new insulated tank box. We had to have a tin roof over the roof for this project, because we knew the roof would be open for longer than a day. The new flat roof will be insulted to the new building regulations. New flat roofs today have to be insulated to a very high standard today.

Read more...

New Flat Roof Insulation Over An Old Asphalt Roof Then EPDM Rubber

This new flat roof is being laid using Kingspan’s ‘cut to falls’ insulation, then covered using EPDM rubber, single ply as the waterproofing membrane. This roof will carry a 20 year insurance-backed guarantee. New roofs today need to be insulated to a very high standard and the depth of insulation on this roof is very good.

Read more...