129. Ballasted System INSULATION DECK Wide panel sizes with EPDM provide fast and efficient coverage of large roof areas STONE BALLAST/ PAVERS MEMBRANE
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134. STONE BALLAST /10-13 PSF BALLAST SHOULD BE CLEAN, ROUND AND FREE OF SHARP EDGES . NOTE THE WALKWAYS IN THE LOWER RIGHT CORNERS. STONE IS DIFFICULT TO WALK ON.
BUR- Built Up Roofing High Labor and Capital input. This method is favored by established contractors SBS (Modified Bitumen) Long service history in Europe. Lower Labor alternative to BUR APP-(Modified Bitumen) Simple installation with roofing torch. Favored by small contractors. Increasing fire safety concerns. EPDM- Rubber Roofing- Low labor input. 20 year service history. Dominates new construction Thermoplastics- Very low labor input. Fastest growing market segment. Less than 20 year service history.