TPO Conventionally Insulated System (Alternate)

RoofStar Guarantee Standards are blue-linked

TPO Details

1 WORK INCLUDED

(1) Vapour Retarder

If required by design authority.

(2) Insulation

Mechanically fastened where deck type permits, or fully adhered (as illustrated). Installed according to RoofStar Guarantee Standards. See available insulation products in the Accepted Materials section of this Manual.

(3) Adhesive

Proprietary, installed according to manufacturer’s instructions, usually brushed, rolled or sprayed (3A: 2- part low rising insulation adhesive, specifically used to bond insulation and cover boards)

(4) Single-ply Membrane

Installed according to manufacturer’s instructions and RoofStar Guarantee Standards.

(5) Membrane Lap

Thermoplastic membrane may be welded or chemically bonded.

(6) Edge Flashing

Proprietary, coated with membrane material and heat-welded to the primary (field) membrane.

(7) Fascia Flashing Clip

Affixed to the fascia material (installed by others) with fasteners O.C. 300 mm (12”).

(8) Fascia Flashing

Manufactured to RoofStar Guarantee Standards for sheet metal flashings.

(9) Membrane Flashing

Adhered according to manufacturer’s printed specifications using proprietary adhesive. Must be carried to the outside of the parapet or vertically to a minimum of 200 mm (8”) above the finished roof surface. Welded or adhered to primary membrane depending on membrane type.

---

2 RELATED WORK BY OTHERS

(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) Edge Blocking

(D) Fascia Material

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.

---

RoofStar Guarantee Standards for TPO Membrane Systems

Back to TPO Construction Details

Back to Construction Details