L
Leofric
These low pitch roofs should have the slates on tantalised battens on counterbattens on membrane on boarding over the rafters.
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L
Leofric
Whether slates or tiles are you saying pitched roofs at or below 15 degrees don't need tanalised battens on counterbattens on membrane on boarding though
No ..who these days uses untreated batten? can you even still buy it?
how often do you do a roof without an underlay?
Boarded then definitely need a counter batten
The product in question is supposed to be weather proof to 15 degrees .
Generally they are fine provided they don't get clogged up with vegetation.
Redland regents are meant to be ok down to 11.5 on a straight roof with no detailing and no special requirements.
Now back to the question , Im saying, they are not slates, boarding, counter battening and as much membrane as you like will not stop the channels blocking
If one wants to slate at very low pitches for looks.. then boarding and counter battens but not bog standard membrane.. this has been covered in these forums more than once I believe
how often do you do a roof without an underlay?
Boarded then definitely need a counter batten
The product in question is supposed to be weather proof to 15 degrees .
Generally they are fine provided they don't get clogged up with vegetation.
Redland regents are meant to be ok down to 11.5 on a straight roof with no detailing and no special requirements.
Now back to the question , Im saying, they are not slates, boarding, counter battening and as much membrane as you like will not stop the channels blocking
If one wants to slate at very low pitches for looks.. then boarding and counter battens but not bog standard membrane.. this has been covered in these forums more than once I believe
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L
Leofric
was I saying that Is it wrong to include the word tantalised in a specification, and I think I said membrane not underlay - yes, that's what I said
- of course it won't stop any water getting past the roof finish whether tiles or slates , but the construction I mentioned for low pitch roofs will prevent any water that gets past the roof finish leaking into the building.
- yes, so you agree with what I was saying
and I specifically said membrane rather than underlay .
Last edited by a moderator:
L
Leofric
Wasn't it about low pitched roofs leaking ,so what don't you understand about the sarking boards etc construction for very low pitched roofs
and what makes you think I need to copy what others say on here about building construction
It was obvious from your bizarre comments: -
that you were being contrary and argumentative.
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Be aware of Cambrians at 15 degrees. I'm currently dealing with a row of 5 year old houses , built by by a well known developer. They all have leaks and we carried out our own water tests and found that wind driven rain would either drive back under the lap or over the side channels and onto the membrane below. They also break easily on the channels and often during the installation they will get stood on and once they get nailed and clipped they are a ball ache to remove and replace securely. So they get left to cause leaks once the membrane starts to break down.
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