TPO Conventionally Insulated System (Typical)

1) Gypsum Deck Overlay: May be required depending on insulation thickness or when required as a thermal barrier by design authority.
(2) Insulation: Mechanically attached. Installed according to RoofStar Guarantee Standards. See available insulation products in the Accepted Materials section of this Manual.
(3) Single-ply Membrane: Installed according to manufacturer's instructions and RoofStar Guarantee Standards.
(4) Adhesive: Proprietary, installed according to manufacturer's instructions, usually brushed, rolled or sprayed.
(5) 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.
(6) Fasteners: Install according to manufacturer's instructions (style may vary depending on material type and manufacturer's specification).
(7) Membrane Lap: EPDM (thermoset) membrane may be joined using uncured tape or proprietary adhesive.
(8) Metal Cap Flashing: As required by the 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.