600 x 1800 mm insulated upstand for flat roof skylight 1250 x 4500 Constant separation of glazing skins
Baker’s notes & crumb story
Description
600 x 1800 mm insulated upstand for flat roof skylight 1250 x 4500 Constant separation of glazing skins Constant separation of glazing skins across the full dome to minimise condensation risks The textured aluminium flashing