SBS Roof System Details

Division D - Construction Details

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Construction Details for SBS-modified Bitumen Membrane Roof Systems

Photo Credit: RCABC Image Library

The drawings linked on this page are intended to represent a variety of SBS-modified Bitumen Membrane roof system applications while remaining generic with regards to manufacturers’ specific application specifications. They do not represent all possible manufacturer application roof system designs. Consult each manufacturers’ specifications and the RoofStar Guarantee Standards to develop a system acceptable to both the manufacturer and the RoofStar Guarantee Program.

For further information about SBS-modified Bitumen Membrane System designs and requirements, see the Standard for SBS-modified Bitumen Membrane Roof Systems.

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Part 1 - General

Permitted Roof Systems ( Article 1.1.3.1.)

1. Conventionally Insulated System (Typical)
2. Conventionally Insulated System (Alternate)
3. Protected Roof Assembly (Typical)

Part 6 - Air and Vapour Controls

Continuity and Support ( Article 6.3.2.1.)

1. Air and Vapour Controls (Field)

Part 10 - Perimeters and Walls

General Application ( Article 10.3.2.3.)

1. Membrane Termination A
2. Membrane Termination B
3. Membrane Termination C
4. Membrane Termination D
5. Membrane Termination E
6. Membrane Termination F

Parapets ( Article 10.3.4.1.)

1. Parapet (Typical)
2. Parapet (Independent of Roof Structure)
3. Tall Parapet
4. Parapet-Wall Connection

Low-profile Edges ( Article 10.3.4.2.)

1. Metal Edge Termination
2. Canted Edge

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Part 10 (continued)

Fire Separations ( Article 10.3.4.4.)

1. Fire Separation Joint
2. Fire Separation Wall

Doors, Windows, and Wall Openings ( Article 10.3.4.5.)

1. Low Door Opening
2. Window Opening

Expansion Joints ( Article 10.3.6.1.)

1. Expansion Joint (Wall)
2. Expansion Joint (Field)

Control Joints (Roof Dividers) ( Article 10.3.6.2.)

1. Control Joint (Roof Divider)

Part 11 - Drainage

Cast-iron Roof Drains ( Article 11.3.3.2.)

1. Cast Iron Drains

Flanged Insert-type Roof Drains ( Article 11.3.3.6.)

1. Flanged Insert Drain
2. Flanged Insert Drain (Clamping Ring)

Scuppers and Overflows ( Article 11.3.3.7.)

1. Open-wall Scupper Drain
2. Through-wall Scupper Drain

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Part 12 - Penetrations and Curbs

Flashing Penetrations ( Article 12.3.2.1.)

1. Plumbing Vent (Conventional Roof System)
2. 2-Part Retrofit Flashing (Cable Penetration)
3. Fall Protection Anchor in Roof
4. Fall Protection Anchor in Wall
5. SBS Fall Protection Anchor in Wall (Protected Roof System)

Curbs, Sleepers, and Equipment Pads ( Article 12.3.2.4.)

1. Basic Curb
2. Curb for Multiple Penetrations
3. Mechanical Equipment Curb
4. Equipment Sleeper

Railings, Ladders, and Other Attached Structures ( Article 12.3.2.7.)

1. Railing

Sealant Pockets ( Article 12.3.2.8.)

1. Sealant Pocket

Part 13 - Linear Metal Flashing

Metal Cap Flashing (joints)

Metal Cap Flashing (inside corner)

Metal Cap Flashing (Parapet-to-Wall Transition - Site Formed)

Metal Butt Joint

NOTE: The following pages are currently under construction

Metal Cap Flashing (Parapet-to-Wall Transition - Shop-Formed)

Part 14 - The Roof as a Platform

Structures and Equipment ( Article 14.3.2.7.)

1. Structural Planter

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Standard for SBS-modified Bitumen Membrane Roof Systems

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