Torched (with flame) system

EUROTHANE Bi-3, POWERDECK B on - steel roof - partially bonded bituminous – roofing membrane with torch-on system

ROOF SYSTEM DESCRIPTION

1. Steel deck
2. Vapour control barrier : vapour control barrier class according to table (basic principles)
3. Thermal insulation layer: EUROTHANE Bi-3, POWERDECK B, size 1200 mm x 1000 mm, mechanically fixed to steel deck. Length 1000 mm crosswise the length of the section plate, minimum 4 screws per plate in the mid-zone; respective 6 in roofing edge zone. Number of screws required to be determined on the basis of wind-load factor. Screws in insulation panel corners are set in a zone of 100 mm x 250 mm from the edge of each panel, the 250-mm length measured crosswise the length of the section plate.
4. Mechanical fixing: screw and washer. These must satisfy the condition for Eutgb – Class II and have a minimum diameter of 4.8 mm. Washers must be compatible with screws used.
5. Or: modified bitumen membrane with in-built vapour pressure and tension distribution system (quick weld strips);
Or: perforated bitumen glass membrane with burn-off foil, 15% perforations.
6. Roof covering: torched on single- (or multi-layered) bituminous membrane.