Hi all
I've just covered my perennially leaky flat garage roof with Bituthane
3000 sheet. It seemed a good idea at the time as my brother-in-law (in
the building trade) not only told me it was the stuff to use but
supplied some, surplus to requirements of course.

Only after getting the first sheet down did I realise that the backing
sheet, covered with the product name in large letters, didn't just
peel off but was part of the finished effect. Not so good, when we
look down on this roof from our front room. The next door neighbour
won;t be crazy about it either.

It also occurs to me that, with all this on display, maybe this wasn't
the use it was designed for. Sure enough, when I check the
manufacturer's website www.graceconstruction.com, the use mentioned is
for basements and substructures. It doesn't say you can't use it on
roofs, but doesn't say you can either.

So I'd like to cover this up both to hide the writing and to make sure
it's weatherproof.

Can anyone offer adivice on what to do from here? Is bitumen paint the
best option, or do you have any other suggestions?

TIA
Ken

"Ken" wrote in message
...
Hi all
I've just covered my perennially leaky flat garage roof with Bituthane
3000 sheet. It seemed a good idea at the time as my brother-in-law (in
the building trade) not only told me it was the stuff to use but
supplied some, surplus to requirements of course.

Only after getting the first sheet down did I realise that the backing
sheet, covered with the product name in large letters, didn't just
peel off but was part of the finished effect. Not so good, when we
look down on this roof from our front room. The next door neighbour
won;t be crazy about it either.

It also occurs to me that, with all this on display, maybe this wasn't
the use it was designed for. Sure enough, when I check the
manufacturer's website www.graceconstruction.com, the use mentioned is
for basements and substructures. It doesn't say you can't use it on
roofs, but doesn't say you can either.

So I'd like to cover this up both to hide the writing and to make sure
it's weatherproof.

Can anyone offer adivice on what to do from here? Is bitumen paint the
best option, or do you have any other suggestions?

TIA
Ken

I don't think the bituthene will take very kindly to being laid out in the
hot sun next summer, either. If you MUST keep it, maybe a couple of coats
of heat-reflective roof paint would be helpful, (but I wouldn't bet on it).

Peter



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Peter Taylor wrote:


So I'd like to cover this up both to hide the writing and to make sure
it's weatherproof.

Can anyone offer adivice on what to do from here? Is bitumen paint the
best option, or do you have any other suggestions?

TIA
Ken

I don't think the bituthene will take very kindly to being laid out in the
hot sun next summer, either. If you MUST keep it, maybe a couple of coats
of heat-reflective roof paint would be helpful, (but I wouldn't bet on it).

Peter

Peters is best suggestion. Peel off polythene sheet, (you will probably
have to lift the laps) and a couple of coats of solar reflective-paint
should do short term.

I have used it as a covering for concrete water reservoirs but it had
an earth covering then

"Ken" wrote in message
...
So I'd like to cover this up both to hide the writing and to make sure
it's weatherproof.

Can anyone offer adivice on what to do from here? Is bitumen paint the
best option, or do you have any other suggestions?
Ken

Cover with 19mm Gravel.

keith_765 wrote:


Cover with 19mm Gravel.

Could be a solution but extra weight and inclined to clog drainage of
roof when the inevitable moss gets hold.

Bookworm wrote:
keith_765 wrote:

Cover with 19mm Gravel.

Could be a solution but extra weight and inclined to clog drainage of
roof when the inevitable moss gets hold.

a little scrap copper/brass/bronze might see to that. Chippings work as
a covering anyway.

NT

wrote in message
oups.com...
Bookworm wrote:
keith_765 wrote:

Cover with 19mm Gravel.

Could be a solution but extra weight and inclined to clog drainage of
roof when the inevitable moss gets hold.

a little scrap copper/brass/bronze might see to that. Chippings work as
a covering anyway.

The idea of using stone chippings on flat roofs initially came about as a
way of achieving AA, AB or AC spread-of-flame rating for bitumen felt roofs
within 6m of a boundary, as required by Building Regs. A minimum of 12.5mm
thickness of chippings is required, the colour doesn't matter.

Chippings can provide a measure of protection to felt roofs, but the main
benefit only happens if the chippings are white (quartz, spar etc) to
reflect solar heat. Sharp chippings can actually puncture bitumen felt,
especially in hot weather, and Bituthene is even softer. There is no point
in using chippings on this roof unless you're applying for Building Regs and
it's within 6 metres of the boundary. Solar-reflective paint will do the
same job far more cheaply and easily. Bear in mind this roof will probably
only last a short time anyway.

Peter


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All
Many thanks for the responses. Looks like heat-reflecting paint is the
answer then. Fortunately the garage is on the north-east corner and
shaded by the house most of the time, so it could be worse.

Bear in mind this roof will probably only last a short time anyway.
Peter - what did you have in mind for a short time? Weeks? Months?
Years?

Ken

"Ken" wrote in message
...
All
Many thanks for the responses. Looks like heat-reflecting paint is the
answer then. Fortunately the garage is on the north-east corner and
shaded by the house most of the time, so it could be worse.

Bear in mind this roof will probably only last a short time anyway.
Peter - what did you have in mind for a short time? Weeks? Months?
Years?

Ken

TBH, I don't really have any idea Ken. That remark was based on the
assumption that if Bituthene was any good as a roofing material we'd all be
using it. Maybe you've discovered the answer for flat roofs! As they say,
time will tell.

A bloke up the road painted his house with blue printing ink a few years
ago. It never set properly and during the next hot spell it started running
down over the glass and the brick walls. Nice colour though. I expect your
roof will last a bit longer than that!

Peter


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