SitaVent Fireguard® with stainless steel pipe, DN 70, for preventive fire protection and to prevent the spread of fire from below where there are small penetrations according to DIN 18234 Part 3 and 4 for roofs with polyurethane insulation, consisting of: PE base body DN 100 with collar for fixing to the reinforcement plate to DIN EN 1090-4 with pre-assembled fire protection sleeve, a sealing sleeve for clamping the vapour barrier, base plate with foamed-in connection sleeve of choice (495 x 495 mm), rust-proof stainless steel pipe, DN 150, 750 mm long, for insulating material thicknesses from 80 to 450 mm, seven-lip sealing ring, rain deflector made of polyamide and two-part insulating body made of mineral wool 300 x 300 x 200 mm. For direct connection to pipes with plug-in coupler, supply and install to professional standards.