SBS Flanged Insert Drain (Clamping Ring)

1 WORK INCLUDED

(1) Gypsum Deck Overlay

Required when insulation is too thin to span flutes of steel decking or when required as thermal barrier by design authority.

(2) Vapour Retarder

If required by design authority.

(3) Insulation

Mechanically fastened. See available insulation products in the Accepted Materials section of this Manual.

(4) Insulation Overlay Board

Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.

(5) Base Sheet

Adhered to overlay board using asphalt, cold adhesive, self-adhered, mechanical attachment or torch applied according to manufacturer's specification and to RoofStar Guarantee Standards. Torching directly to wood surfaces is not permitted.

(6) Mastic

Compatible mastic accepted by the membrane manufacturer.

(7) Base Sheet Flashing

Adhered according to manufacturer's specifications and to RoofStar Guarantee Standards.

(8) Cap Sheet

Applied according to manufacturer's printed instructions and to RoofStar Guarantee Standards.

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2 RELATED WORK BY OTHERS

(A) Acceptable Deck

(B) Clamping Copper Drain

Primed and mechanically fastened. Installed in bed of compatible mastic.

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.

• Leader size is determined by design authority using the calculation found in the BC Building Code at Appendix P.7.4.10 and Sectionle 7.4.10.11 (Sectionle 7.4.10.10 for gutters) in conjunction with the 15 minute rainfall value from the National Building Code, Appendix C.

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