SBS Control Joint (Roof Divider)
SBS Control Joint (Roof Divider)
1 WORK INCLUDED
(1) Gypsum Underlayment: If required by design authority.
(2) Vapour Retarder: If required by design authority.
(3) Insulation: See list of accepted materials in Section 2.2.
(4) Insulation Overlay: Where required. See RGC Guarantee Standard B4.1, B4.2 and C4.1
(5) Primary Membrane and Membrane Protection
(6) Membrane Flashing: Lap over top and mechanically fasten.
(7) Metal Base Flashing: Mechanically fasten to top of wood blocking. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats. See RGC Guarantee Standard A6.9.
(8) Metal Cap Flashing: Flashings
(7) and (8) may be one piece.
2 RELATED WORK BY OTHERS
(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’). See RGC Guarantee Standard Section A1.4 and Section B1.3. 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.