skip to main content

Home Repair Renovating

Flat roof - What surface is this?

3 years ago

Can anyone tell me what type of surface these two flat roofs are? I have been told they might be GRP Fibreglass, but looking for a confirmation.

Thanks in advance.

Sort by:Oldest

Comments (2)

Rowland
3 years ago
hi Iain,

both the roofs are asphalt. one has been painted with a solar reflective paint whilst the other is in it's original state.

they are pretty old and the splits in the top surface indicate they may be drying and letting water in, although there is no blistering, so they may be repairable.

asphalt has a life of around 75 years if laid correctly and of a good quality.

hope this helps!!

you should get a roofer who works with asphalt to look at the roof as you may have some life left in the roof, although it would need insulating to improve the thermal performance.

best

Rowland
Iain thanked Rowland
Rowland
3 years ago
Iain,

I closer inspection it does need replacing as it has holes dotted and the dip indicate the substrate has moved. there are good felting systems out there to replace it with, but do your homework. I would stay clear of grp as it is a big expanse to cover and grp isnt great with coping with expansion.
Iain thanked Rowland
Related Discussions
Mix of pitched and flat roof?
Q
Comments (10)
Hi, You may find the following guide useful when deciding between a hipped roof or flat roof, as either option may provide you with the space you need. https://www.planningportal.co.uk/info/200130/common_projects/17/extensions/10 Do also consult your local planning authority for clarification on limitations you may have in terms of extensions and exterior features. As suggested above, we would also suggest you persue a contemporary design! We have an online Houzz portfolio and ideasbook if you wish to explore further for ideas!
...See More
Extension project - pitched roof vs flat roof cost
Q
Comments (2)
Hi there! I would strongly suggest that you first consider the local regulations. That way you will increase the likelihood of the plan being approved by your council's planning officer (assuming you require permits). Therefore, I would take a look at other similar extensions in your street, see how the shape of the roof would fit in with the existing roof and finally, check if the shape of the roof would make an impact on the neighbouring houses in terms of sunlight. If you need any further assistance - I would love to help you further. Check out our site for more details! betterspace.co Good luck, Udi
...See More
Would you build a flat roof or vaulted roof extension?
Q
Comments (10)
I think a flat roof with a terrace above would be amazing! Flat room materials have really moved on and such good quality now. Or you could do a flat roof with skylight or roof lanterns which will give lots of light. My sister has done this. Her extension is flat roofed and it looks really smart. Also I think if the extension is no higher than 2.5m it can come under permitted development? There are other criteria but your local council planning portal should have all the info you need. Pitched roofs would be more expensive. My garage cost £15,000 but with a pitched roof and tiles it would have been nearer £25,000 and I would have needed planning permission. Here’s some ideas for you
...See More
6m rear extension double Pitch roof or Flat roof with Lantern
Q
Comments (5)
We went through this same decision process with our 6x4m rear extension recently. Eventually we choose a gable with glazed end for several reason. Firstly several friends and comments online made me wonder about the heat and light issues with lanterns. It will also be our main living area when entertaining so noise on a large glass lantern was also a consideration. However worth noting we spoke to several builders and all came back with slightly higher estimates for the gable than the flat roof extension so that might also be a something worth considering (although that did include the glasses end, bifold and skylights). I'm currently researching skylights (that's how I found your post) and were looking at circa £6k for velux and possibly more if we go for frameless bespoke ones. Good luck with your planning.
...See More

Sponsored

More Discussions

Too much blue. what other color is right here?

34

Help…dilema I need some ideas

20

Does anyone know of a washer dryer that is less than 45cm deep?

9

changing exterior look of house

1

Inspiration needed

5

United Kingdom

Tailor my experience with cookies

Houzz uses cookies and similar technologies to personalise my experience, serve me relevant content, and improve Houzz products and services. By clicking ‘Accept’ I agree to this, as further described in the Houzz Cookie Policy. I can reject non-essential cookies by clicking ‘Manage Preferences’.