Warm roofs, the biggest mistake I see when doing a roof inspection.

Alway phone or email if you need help or advise
Steven Dickinson
London Flat Roofing
07802300099
info@londonflatroofing.co.uk

Nobody tucks in their warm roofs!
What do I mean?
If you bought a new quilt for your bed and you laid down under it but didn't tuck it in around the edges, you would get cold. Same for when you're doing a warm roof, you have to extend the insulation down to the next thermal element of the building. I call this "tucking in your warm roof"
The reason nobody tucks in their warm roofs is because of the cost of doing so. You not only have the labour of doing it, but you also may have to remove the fascia boards or gutter boards to get access to the area that needs tucking in. Thermally tucking in your new warm roof makes all the difference. It not only continues the thermal performance of the new water roof down to the next thermal element of the roof, but it also makes the roof airtight. I have been to many new warm roofs when carrying our roof inspections for customers and they complain about how cold it is in their house even though they have had a new warm roof. When I'm doing a roof survey, I often take out light fittings and feel a draft straight away. I know that the roof is not airtight, and normally, it's because they haven't put the insulation between the joists at the ends only. Putting insulation between the joists further into the room on a warm roof is totally another thing, and I covered this in another video; you should not have to do that if you have the core thickness on the new warm roof. I would suggest that tucking in a new warm roof on a loft conversion is the most complicated, more complicated than a rear extension flat roof. With a flat roof over a loft conversion, you have to tuck in the insulation at both ends, whereas on a rear extension, you normally only have to do the tree edges, and access is a lot easier.

Steven Dickinson
London Flat Roofing
07802300099
info@londonflatroofing.co.uk

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