EPDM Protected Roof Assembly (Typical)

(1) Protection Mat: Provide protection between concrete deck and membrane with installation of manufacturer specified and RGC accepted protection mat or deck overlay boards.
(2) Single-ply Membrane: Installed according to manufacturer's instructions and RoofStar Guarantee Standards.
(3) Adhesive: Proprietary, installed according to manufacturer's instructions, usually brushed, rolled or sprayed.
(4) Membrane Lap: EPDM (thermoset) membrane may be joined using uncured tape or proprietary adhesive.
(5) Fasteners: Install according to manufacturer's instructions (style may vary depending on material type and manufacturer's specification). May vary from drawing.
(6) Membrane Flashing: Adhered according to manufacturer's printed specifications using proprietary adhesive. Must be carried to outside of parapet or minimum 200 mm (8") above finished roof surface. Adhered to primary membrane.
(7) Insulation: Mechanically attached. Installed according to RoofStar Guarantee Standards. See available insulation products in the Accepted Materials section of this Manual.
(8) Filter Fabric: Metal base flashing required.
(9) Metal Flashing: As required by RoofStar Guarantee Standards.
(10) Ballast: Gravel or concrete paving tiles.

(11) Parapet Flashing: As required by RoofStar Guarantee Standards.

(A) Acceptable Deck
(B) Acceptable Parapet Surface: Surface must be smooth, dry and clean. Rough surface must be covered with treated plywood, to be determined by design authority or inspector or as required by manufacturer.
(C) Sloped Wood Blocking

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.