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Author: Subject: Flat Roof Sealing
DarrenW

posted on 25/2/08 at 02:50 PM Reply With Quote
Flat Roof Sealing

The house ive just bought to do up has detached single garage with flat roof. Its basically in very good condition, felt looks good, timbers underneath very sound. It has one spot inside where you can see a little water has pentrated and left a stain in the woods. To save it im going to apply some brush on sealer.

Has anyone done this? What sealer would you recommend? Cheaper the better but something that takes hardly any skill to apply and works.

I wont be replacing the felt. I may get some numpty to brush the sealer on (hence needing to be fool proof).

When i go up to inspect if i find a section of felt that has lifted a touch i will put some mastic type repair on first (ive used flexy lead seal before which seems good stuff).


Other reason i want to apply seealer is for cosmetic reasons - the roof can be clearly seen from bedroom window - if it all looks nice and black and newish potential buyers will have piece of mind.






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worX

posted on 25/2/08 at 02:57 PM Reply With Quote
What size is the roof area?
ight it be an idea to price up some felt, just in case you can get it for a good price? That way you will have the saleable point that you've renewed the roof for good measure?
If you were more local to me I could get you felt at a "very cheap" price...

Steve






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blakep82

posted on 25/2/08 at 03:00 PM Reply With Quote
the felt on mine started lifting round the corners. there is a huge puddle sits on mine, and over the years its mad an indentation of about 5mm. tried the brush on sealer (bitumastic paint, ronson i think it was) which peeled off in a very short space of time. there isn't any left on the roof at all now. might have been becasue of the puddle, and peeled from there...

a temporary solution (which has lasted about 5 years now) was to pour fibreglass resin over the joints with some fibreglass between the overlaps of felt. like, stick the layers felt down with resin, then pour it over the top. only thing is it doesn't cure to the tar.

doesn't look nice but it worked for me.





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Monkeybasher

posted on 25/2/08 at 03:01 PM Reply With Quote
Just used RUFABRUSH on my metal roof. My roof was leaking very very very badly all over the place, not now

Its great only used one coat to seal it but I will do another coat or two in the summer. Great stuff and plenty much cheapness

Think it was 30quidish for a big huuuuge drum

Cheers

Steve

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DarrenW

posted on 25/2/08 at 03:09 PM Reply With Quote
Steve - id love it if you could get me felt on the cheap

i think i need my head feeling sometimes.


A guy i used to live nea had a porch roof done a few years back and its still on well. He had someone do it though so no idea what he used.

Builder centre sell a large tim for about £50 - roller on etc and can be applied even when wet apparantly. I dont think i need that much so relectant to spend the cash.
Felting is out of the question. Existing really isnt too bad and ive got too many other jobs to do to create more work. It looks like its been replaced relatively recently so probe just a joint or 2 lifting.

Thompsons do a roof seal in the diy sheds but cheap it aint. I have seen far cheaper stuff in Wilkinsons though.

Rufabrush sounds interesting. Sounds like there will be left over to do another house when this one is sold. Id imagins a metal roof has more opportunity to leak then fairly decent felt.






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Volvorsport

posted on 25/2/08 at 05:16 PM Reply With Quote
you want an acrylic sealing compound - that way it gets pushed into the cracks and itll stay flexible and move with the felt . Any large areas need dealing with properly tho .

or you could do it in polyurethane .

have a look at polyroof.co.uk for some ideas , i was a contractor once upon a time .





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