Section Cover Page
Section 07 52 00
Modified Bituminous
Membrane Roofing
2011-08-15
Refer to “LEED Notes and Credits” page for additional guidance for LEED projects.
Delete LEED items if project:
.1
is excluded by the Department’s policy on LEED, or
.2
the Department has determined that the work of this Contract is not to attain a LEED rating.
Use this Section to specify requirements for SBS modified bituminous membrane roofing. Refer to
criteria noted on Cover Page, Section 07 50 10, Bituminous Membrane Roofing General
Requirements, before using this Section.
Use this Section in conjunction with Section 07 50 10 and with Section 07 62 00, Metal Flashings for
Bituminous Membrane Roofing. Refer to Data Sheet, Section 07 50 10, for coordination with Sections
specifying other bituminous roofing membrane types.
This Master Specification Section contains:
.1
.2
.3
This Cover Page
LEED Notes and Credits
Specification Section Text:
1.
1.1
1.2
1.3
General
Related Work Specified in Other Sections
Reference Documents
Detail Drawings
2.
2.1
Products
Primary Membrane and Membrane Flashing
3.
3.1
3.2
Execution
Installation
MBM Primary Membrane Schedule
BMS Basic Master Specification
Alberta Infrastructure
Master Specification System
Page 0
LEED Notes and Credits
2011-08-15
Section 07 52 00
Modified Bituminous
Membrane Roofing
LEED Notes:
.1
Sustainable practices for consideration in roofing other than LEED are highlighted in
Section 07 50 10.
LEED Credits:
.1
Contribution towards LEED credits in this section may apply. Refer to Section 07 50 10.
BMS Basic Master Specification
Alberta Infrastructure
Master Specification System
Page 0
Section 07 52 00
Modified Bituminous
Membrane Roofing
Page 1
Plan No:
Project ID:
1.
General
1.1
RELATED WORK SPECIFIED IN OTHER SECTIONS
SPEC NOTE: Edit this article to include only standards referenced within the edited version of this
Section, including LEED documentation and sustainable practices.
.1
.2
.3
.4
.5
.6
1.2
[LEED Submittal Forms
[LEED Requirements
[Environmental Procedures
Waste Management and Disposal
Bituminous Membrane Roofing General Requirements:
Metal Flashings for Bituminous Membrane Roofing:
Section 01 32 16.]
Section 01 35 18.]
Section 01 35 20.]
Section 01 74 19.
Section 07 50 10.
Section 07 62 00.
REFERENCE DOCUMENTS
SPEC NOTE: Edit this article to include only standards referenced within the edited version of this
Section, including LEED documentation and sustainable practices.
.1
Alberta Roofing Contractor’s Association (ARCA):
.1
.2
.3
American Society for Testing and Materials (ASTM):
.1
ASTM D41-05
Standard Specification for Asphalt Primer Used in
Roofing, Dampproofing, and Waterproofing
.2
ASTM D2178-04
Standard Specification for Asphalt Glass Felt Used in
Roofing and Waterproofing
.3
ASTM D6162-00a
(2008)
Standard Specification for Styrene Butadiene Styrene
(SBS) Modified Bituminous Sheet Materials Using a
Combination of Polyester and Glass Fibre
Reinforcements
.4
ASTM D6163-00
(2008)
Standard Specification for Styrene Butadiene Styrene
(SBS) Modified Bituminous Sheet Materials Using Glass
Fibre Reinforcements
.5
ASTM D6164-05e1
Standard Specification for Styrene Butadiene Styrene
(SBS) Modified Bituminous Sheet Materials Using
Polyester Reinforcements
Canada Green Building Council (CaGBC):
.1
2011-08-15 BMS Version
Roofing Applications Standard Manual
LEED Canada 2009
Rating System
LEED Canada for New Construction and Major
Renovations. LEED Canada for Core and Shell
Development. Website: www.cagbc.org]
Section 07 52 00
Modified Bituminous
Membrane Roofing
Page 2
Plan No:
Project ID:
.4
1.3
Canadian General Standards Board (CGSB):
.1
CGSB 37-GP-9Ma
Primer, Asphalt, Unfilled, for Asphalt Roofing,
Dampproofing and Waterproofing
.2
CGSB 37-GP-56M
Membrane, Modified, Bituminous, Prefabricated, and
Reinforced for Roofing
.3
CAN/CGSB 51.33M89
Vapour Barrier Sheet, Excluding Polyethylene, for Use in
Building Construction
DETAIL DRAWINGS
SPEC NOTE: Include this article only if detail drawings are appended to this Section.
.1
Following detail drawings form part of this Section:
07 52 00.01
[
]
[
[
].
].
2.
Products
2.1
PRIMARY MEMBRANE AND MEMBRANE FLASHING
.1
Provide two-ply SBS modified bitumen membrane, including SBS modified bitumen
flashings, to manufacturer's recommendations conforming with ARCA accepted
specifications, and as specified in this Section.
.2
For membrane component types and reinforcement, refer to Primary Membrane Schedule
at end of this Section.
.3
Cap Sheet Finish: granules in colour selected by Minister from manufacturer's standard
range.
.4
Membrane Flashing Finish: granules in colour selected by Minister from manufacturer's
standard range.
3.
Execution
3.1
INSTALLATION
.1
Install membrane components in accordance with requirements of ARCA Five Year
Certificate of Assurance.
.2
Use installation method as indicated on Primary Membrane Schedule at end of this
Section.
2011-08-15 BMS Version
Plan No:
Project ID:
Section 07 52 00
Modified Bituminous
Membrane Roofing
Page 3
.3
Torch apply sheet materials for continuous fusion of sheets and adhesion to substrates.
.4
Seal seams of nailed base sheets using cold or hot applied asphalt, or with torch heat
application.
.5
Limit cap sheet bleed-out at seams to 12 mm. Cover excessive bleed-out and replace
missing mineral surfacing by embedding matching colour granules.
.6
Torch-apply cap sheet and cap sheet flashing [to seaming layout indicated on [reviewed
shop] drawings] and MBM Primary Membrane Schedule.
.7
Primary membrane deficiencies shall include, but not be limited to, ridges, tenting,
buckles, wrinkles and voids.
2011-08-15 BMS Version
Section 07 52 00
Modified Bituminous
Membrane Roofing
Page 4
Plan No:
Project ID:
3.2
MBM PRIMARY MEMBRANE SCHEDULE
SPEC NOTE: Specify 250 g/m2 polyester reinforcement for cap sheets where membranes will be
subjected to infrequent traffic for servicing of rooftop equipment.
Component
Substrate
Installation
Method
Reinforcement,
Minimum, g/m2
Wood fibreboard
Mop
95 glass fibre
Plywood, lumber and OSB
Nail or mop
180 polyester
Gypsum sheathing
Mop
95 glass fibre
Concrete
Mop or torch*
95 glass fibre
Nail
180 polyester
Self-adhered
180 polyester
Torch
[180][250]
polyester
Torch
180 polyester
Base sheets on slopes up to 2:12
Base sheets on slopes over 2:12
Plywood, OSB and lumber
Base sheet flashing
All substrates
Cap sheets
Base sheet
Cap sheet flashing
Base sheet flashing
*Base sheet installation method over concrete shall be either of the two methods specified, at
Contractor's option.
END OF SECTION
2011-08-15 BMS Version