Mechanical fixation
POWERDECK, EUROTHANE SILVER on steel deck – mechanical fixation of the waterproofing membrane.

ROOF SYSTEM DESCRIPTION
1. Steel deck
2. Vapour control barrier : vapour control barrier class according to table (basic principles)
3. Thermal insulation layer: EUROTHANE SILVER / POWERDECK panels, size 1200 mm x 2500 mm, mechanically fixed to the steel deck by 6 screws per plate. Length 2500 mm crosswise the length of the section plate. Set one screw in each 100 mm x 250 mm corner zone, the 250-mm length measured crosswise the length of the section plate. Set the other 2 screws in the middle of the panel, one on either edge.
4. Mechanical fixing insulation panel : screw and washer. These must satisfy the conditions for EUtgb Class II and have a minimum diameter of 4.8 mm. Washers must be compatible with the screws used.
5. Mechanical fixing waterproofing : screw and washer. Quality and quantity according to manufacturer’s instructions, ATG and CTG approvals of the membrane
6. Roof covering : bituminous or single ply, compatible with the insulation and mechanically fixed onto the steel deck through the insulation. Number of screws to be calculated in function of wind-load factor – see instructions waterproofing material
