This article is for furnishing, unloading, storage, and installation of torch-applied, two-ply, atactic polypropylene (APP) modified bitumen protected membrane roofing, with insulation and concrete pavers.
Standard and Codes References
Reference is made in this article to the following documents.
American Society for Testing and Materials (ASTM)
C 208 Specification for Cellulosic Fiber Insulating Board.
C 578 Specification for Rigid, Cellular Polystyrene Thermal Insulation.
D 41 Specification for Asphalt Primer used in Roofing, Dampproofing and Waterproofing.
D 1079 Terminology Relating to Roofing, Waterproofing, and Bituminous Materials.
D 1863 Specification for Mineral Aggregate Used on Built-up Roofs.
D 4586 Specification for Asphalt Roof Cement, Asbestos Free.
D 5147 Test Methods for Sampling and Testing Modified Bituminous Sheet Material.
National Roofing Contractors Association (NRCA)
Quality Control Recommendations for Polymer Modified Bitumen Roofing
Roofing and Waterproofing Manual
For definition of terms related to roofing work, see ASTM D 1079 and glossary of NRCA Roofing and Waterproofing Manual.
Protected Membrane Roofing Performance Requirements
Roofing membrane and base flashings shall remain watertight, shall not permit the passage of water, and shall resist specified uplift pressures, thermally induced movement, and exposure to weather, without failure. Roofing materials shall be compatible with one another under conditions of service and application required, as demonstrated by roofing manufacturer based on testing and field experience.
Protected Membrane Roofing Documents
The following shall be submitted for company review and approval:
a. Product data for each type of product indicated
b. Shop drawings for roofing system, which shall include plans, elevations, sections, details, and attachments to other work, for the following:
(i) Base flashings, cants, and membrane terminations
(ii) Tapered insulation, including slopes
(iii) Crickets, saddles, and tapered edge strips, including slopes
(iv) Insulation fastening patterns.
c. Samples for verification, for the following products:
(i) 300 x 300 mm² of modified bituminous, granule-surface cap sheets
(ii) 300 x 300 mm² of roofing insulation
(iii) 1.5 kg of aggregate surfacing material
(iv) Full-size concrete roof-paver ballast
(v) 300 x 300 mm² of filter fabric
d. Installer certificates, signed by roofing system manufacturer certifying that installer is approved, authorized, or licensed by manufacturer to install roofing system.
e. Manufacturer certificates, signed by roofing manufacturer, certifying that roofing system complies with requirements specified above.
f. Maintenance data for roofing system, for inclusion in maintenance manuals.
g. Warranties specified in Protected Membrane Roofing Quality Assurance Guidelines.
h. Copy of roofing system manufacturer’s inspection report of completed roofing installation.
Protected Membrane Roofing Quality Assurance Guidelines
Protected Membrane Roofing Types, Materials, and Installation
Protected Membrane Roof Installation Guidelines
Protected Membrane Roof Quality Control Guidelines