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New grp roof being built - leaking

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The roof is currently going on but I see leaks, thankfully for the rain!!

 

It's part built so I'll explain where they are at with it, and I would appreciate some advice on the rectification work needed

 

Warm flat roof;

Joists on, furring on, osb on (glued and screwed), vcl (alutrix 600), 150mm celotex (glued down and foamed together), osb top layer on and screwed down.

 

They have laid dpm to protect the roof, but I gave seen two areas with leaks coming through because they have missed the joist

 

Will be very hard to see from a picture but I've added one. It's a constant drip.

PXL_20250209_112625304.jpg

Not really the optimal time of year to do a GRP roof.

You may be struggling with this.

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