SBS Low Door Opening

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1 WORK INCLUDED

(1) Primary Roof Membrane

(2) Membrane Flashing

Carried up wall minimum 200 mm (8") above roof surface. At doorsill openings membrane flashing may be less than 200mm (8") in height but must not be less than 100mm (4") in height above the primary roof membrane. When doorsills are less than 200mm (8") a metal waterstop flashing must be mechanically attached to backside of doorsill framing or opening and be sealed with membrane flashing. Membrane gussets must be installed at doorsill opening corners.

(3) Protection/Drainage Layer

Optional

(4) Metal Base Flashing

Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.

(5) Metal Counter-flashing

(6) Metal Water-stop Flashing

Mechanically attached to inside of door sill framing or opening. Cut flashing to fit opening and install membrane gussets at corners.

(7) Metal Pan Sill Flashing

Optional - Metal pan with water stop formed with pan folded, welded or soldered corners mechanically attached to inside of door sill frame or opening and sealed with membrane flashing.

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2 RELATED WORK BY OTHERS

(A) Acceptable Deck: Concrete slab shown

(B) Wall Cladding and Flashing

NOTE: Refer to RGC Guarantee Standards for additional requirements.

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