L fricklas, richard and a great selection of similar new. Manual of lowslope roof systems 9780070247840 by griffin, c. It includes information about roof decks, air and vapor retarders, rigid board insulation, roof membranes, fasteners, surfacing, accessories, roof system. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. Steep slope roof systems 20 tabs and highlights these 1 exam prep tabs are based on the national roofing contractors association nrca manual listed below. Gafglas builtup roofing systems application specifications manual. Glossary of low slope roofing terms lsg 3 updated august 2017 drainage layer. Roof failure causes in depth and specific methods for avoiding them roof design fundamentals and flourishes, based on voluminous industry research and experience. Roof failure causes in depth and specific methods for avoiding them.
Steep slope roof systems 20 each 1 exam prep tabs sheet has five rows of tabs. Manual of lowslope roof systems mcgrawhill education. Chapter 8 construction details progressive materials. He is a consulting engineer specializing in roofing and energy conservation and a former senior editor for mcgrawhills engineering newsrecord. Apr 25, 2019 this volume of the manual provides information about the design, materials and installation techniques applicable to membrane roof systems used in low slope roof system applications. Proper roof slope and drainage are important to prevent. When engaged in roofing work on low slope roofs 50 feet or less in width, the use of a safety monitoring system without a warning line system is permitted. Bureau design and application manual for new roof construction.
The roof design standards focus on high quality and longterm performance. A guide to air barriers in commercial lowslope roof. A roof system plus a roof deck are considered a roof assembly. Manufacture must be listed in nrcas low slope roofing materials guide. Roofing design guidelines and policies low slope membrane roof 2016 page 3 preface this criteria for roofing design is a compilation of data, policies, legal aspects, preferences, experiences, prejudices, etc. Applied systems application and specification manual doc type.
Higgins road suite 600 rosemont, il 600185607 telephone. After youve bought this ebook, you can choose to download either the pdf vers. Builtup, polymer modified bitumen, singleply, spray polyurethane foambased and structural metal panel roof systems fit this category. Low slope roof assemblies typically are composed of a roof membrane, roof insulation, vapor retarder when built inand roof deck. A good lowslope roof 3in12 pitch or lower according to the national roofing. Download for offline reading, highlight, bookmark or take notes while you read manual of low slope roof systems. Griffin mcgrawhill education for decades, this manual has been the most widely respected guide. Except as otherwise provided in paragraph b of this section, each employee engaged in roo. Providing positive slope many components contribute to a roof system s slope, and some elements are outside your responsibility. Sprayapplied polyurethane foam roof systems part 2. In other words, it is used to prevent the formation of condensation in a low slope roof system or wall system. Lowslope roofing systems have also evolved with the increased use of modi.
Intersecting the intersecting roof consists of a gable. Roofing application standards manual arca divides roof systems and materials into two classifications. Installation can vary greatly depending on deck type, wind uplift requirements, roof slope, and performance. In most cases we custom fabricate a single sheet the size of each roof, eliminating the risks associated with field seaming. Low slope roofing products are those primarily intended for roofs with slopes of 3. Use features like bookmarks, note taking and highlighting while reading manual of lowslope roof systems. Architectural metal flashing, condensation control and reroofing should be consulted regarding the decision to recover or remove existing roof systems and for general information applicable to reroofing low and steep slope roof systems.
Certainteed shingle applicators manual shingle underlayments. Download it once and read it on your kindle device, pc, phones or tablets. Components that form part of the vegetated roof systems assembly providing unimpeded flow of water on the roofs surface to the roofs drainage points. Venting requirements and detailing approaches to providing appropriate venting paths will be covered for roofs with attic insulation.
July 2015 uniform es er2015 concrete and clay roof tile. This is important because the osha definition is used as a basis for implementing low slope fallprotection measures, such as warning. These hip rafters run at a 45 angle from each corner of the building to the ridge. The new manual updates and replaces the armanrcaspri repair manual for low slope membrane roof systems published in 1997. The tremco thermoplastic polyolefin tpo roof system is a thermoplastic, high reflective, light. The nrcas repair manual for low slope membrane roof systems is the perfect guidebook you need to repair all problems associated with low slope membrane roof systems the text has been expertly handcrafted by the asphalt roofing manufactures association arma and the single ply roofing industry spri along with the national roofing contractors association nr. For decades, this manual has been the most widely respected guide to designing, constructing, and maintaining low slope roofing systems. It is the strongest type of roof because it is braced by four hip rafters. Together, a roof membraneincluding surfacing, insulation and vapor retarderare considered a roof system. Low slope roofing includes water impermeable, or weatherproof, types of roof membranes installed on slopes less than or equal to 2. Insulationthermal spacer selection chart insulation thickness low system high system no insulation. Consult the winterguard and individual shin gle application instructions for details.
Nondestructive testing for the purpose of locating breaches in the. Should you have any questions whether the insulation you are considering will work with and meet malarkeys minimum standards, contact our technical services department. The tile roofing institute in partnership with the western states roofing contractors association wsrca assembled a task group in 1991 to develop an installation manual that would provide a representation of proper installation practices, industry standards, and code requirements. Guidelines in this article are based on the nrca roofing manual. Nrca repair manual for low slope membrane roof systems, 2nd. Clearing the air on air barriers gaf roofing shingles. This manual was produced based on experience and expertise in 40year roof performance. These roof design standards are limited to slope todrain roofs with slopes ranging from. Selfadhered roofing offers the timetested protection of modified bitumen roof systems for a fraction of the labor with no fumes, flame, asphalt kettle or occupant disturbance. Lowslope woodframed roofs enclosure design for durability.
The building owner and roof system designer are responsible for determining the roof assemblys design and method of slope for drainage, and the roof deck. The tpo roof system can be mechanically attached, ballasted or fully adhered. The installer is responsible for selecting the proper clip and thermal spacer for their conditions. Roof slope osha defines a low slope roof as a roof having a slope of less than or equal to 4 inches of vertical rise for every 12 inches horizontal length 4. For architects, roof designers, roof consultants, contractors, spec writers, attorneys, materials manufacturers anyone who needs authoritative, uptodate information on all aspects of roof technology the manual of low slope roof systems dominates the field. Roof failure causes in depth and specific methods for avoiding. All roof shingles applied to a low slope deck 2 to below 4 per foot require the use of certai nteed winterguard waterproofing shingle underlayment, or its equivalent, applied over the entire deck surface. The application of selfadhered low slope roof systems is also easier to master than traditional bituminous application methods.
Tremco builtup roofs are formulated from select asphalt blends, polymer modi. Products purchased from third party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. A guide to air barriers in commercial low slope roof assemblies doc type. A warning line system and a safety monitoring system. The conservation technology epdm roofing system offers any homeowner, builder, or roofer the means to reliably and permanently waterproof low slope roofs, rooftop decks, and green roofs.
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