This was an enclosed GRP roof with roof lantern and internal outlet point through the front wall. We first installed all 18mm OSB boarding to the roof spars before fitting all preformed trims to the perimeter and around the roof lantern. We then installed a 4 layer GRP system, two resin coats and two topcoats along with the fibreglass sheet rool matting and finished the roof off by installing code 4 lead flashings to the internal perimeter.
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