SBS Control Joint (Roof Divider)

(1) Gypsum Deck Overlay: If required by design authority.
(2) Vapour Retarder: If required by design authority.
(3) Insulation: See available insulation products in the Accepted Materials section of this Manual.
(4) Insulation Overlay Board: Where required.
(5) Primary Membrane and Membrane Protection
(6) Membrane Flashing: Lap over top and mechanically fasten.
(7) Base Metal Flashing: Mechanically fasten to top of wood blocking. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.
(8) Metal Cap Flashing: NOTE: (7) and (8) may be one piece.

(A) Acceptable Deck
(B) Control Joint Assembly: Required to separate new systems from existing roof systems and at dissimilar roof decks or on BUR assemblies over 45 m x 45 m (150’ x 150’). Primed where applicable. Slope top if wider than 100 mm (4").
(C) Existing Roof Assembly: If applicable. Prepared for application of membrane flashing at control joint.

NOTE: Refer to RGC Guarantee Standards for additional requirements.