SBS Protected Roof Assembly (typical)

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1 WORK INCLUDED

(1) Base Sheet

Adhered to deck using asphalt, cold adhesive, self-adhered, torch applied membrane or loose laid according to manufacturer’s specification and to RGC Guarantee Standards.

(2) Base Sheet Flashing

Adhered according to manufacturer’s specifications using cold adhesive, self-adhered or torch applied to cover boards, or mechanically attached membrane. Torching directly to wood surfaces is not permitted. Must be carried over to outside of parapet or minimum 200 mm (8") above finished roof surface. (See RGC Guarantee Standards Section 2.1.1, A5.6, and Section 2.1.3, C8.5).

(3) Cap Sheet

Applied according to manufacturer’s printed instructions and RGC Guarantee Standards.

(4) Cap Sheet Flashing

Applied according to manufacturer’s printed instructions and RGC Guarantee Standards to top of parapet or minimum 200 mm (8") above top of finished roof surface.

(5) Insulation

See list of accepted materials in Section 2.2.

(6) Filter Fabric

Metal base flashing required. (See RGC Guarantee Standard A6.9.1.2)

(7) Ballast

Gravel or concrete paving tiles. (See RGC Guarantee Standards Section 2.1.1, A5.2)

(8) Metal Flashing

As required by RGC Guarantee Standards. (See RGC Guarantee Standard A6.9 and A6.10)

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

Smooth, dry and clean concrete, coated with proprietary primer.

(B) Plywood Backing

Required on rough concrete or where stripping adhesion is asphalt. Must be primed.

(C) Wood Blocking

Sloped to roof where parapet is over 100 mm (4") in width.

NOTE: Refer to RGC Guarantee Standards for additional requirements.

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