Roof access hatch, GRP, T1, 600x600, 250 kg/m², opens from below
Opens from below (inside the building/reservoir) - civil works opening 600x600 - overall 740x740, 130 mm thick - load 250 kg/m² GRP cover - 2 lateral hold-open stays + 2 hinges in 316L stainless steel - folding handle +