Outlet, gulley & flat roof clearance followed by repairs to the gulley & upstand. When this GRP (Glassfibre Reinforced Polyester) gulley was installed no glassfibre chopped strand netting was used to reinforce the polyester where the gulley meets the upstands at the parapet wall. Consequently without this reinforcement the polyester has failed and along with a blocked outlet has caused extreme water ingress into the property
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