Gap between loft flat roof and ridge line, how to seal?
Discussion
The only proper way to properly sort it as roofer says is to extend the upstand higher behind the slates - but that'd mean the ridges and slates coming off and trying to add some plywood and fibreglass. Foaming it would seal it to some extent but isn't a long term solution as you're missing a fairly important bit of the roof design with little or no upstand.
We found our grp was actually porous - turns out it's a common problem, along with delaminating and cracking - so got the whole lot redone in EPDM, wrapping it right over the ridge along with a new dry ridge system, meaning a few vent slots being cut into the rubber underneath the ridge.
We found our grp was actually porous - turns out it's a common problem, along with delaminating and cracking - so got the whole lot redone in EPDM, wrapping it right over the ridge along with a new dry ridge system, meaning a few vent slots being cut into the rubber underneath the ridge.
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