Gutter expansion joints shall be installed at appropriate intervals commensurate with the type of metal. Specifying certa program nrca is concerned with fire safety and prevention during the application of torchapplied polymermodified bitumen sheet products. M60 rubrpoly flashing sheets m60 rubrpoly flexible sheet closure into gutter m60. T expansion of building materials table with various expansion coefficients must be. Roof expansion joint roofjoint watertight, dualseal emseal.
Copper and copper alloys can be used in floor expansion joints in two ways. Each expandoflash cover is a combination of a flexible rubber membrane, supported by a closed cell foam to form. Hold your cursor over the file name to view when a drawing was last updated. If you have any questions about a product please dont hesitate to call us, we will help you get your roofing job done right the first time. Align the center line of the expansion joint gap with the centre. The nrca roofing and waterproofing manualfifth edition abrasion resistance. The detail drawings are grouped by details and can be downloaded below in dwg or pdf. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. Since building expansion joints are designed to isolate sections of a building, they inevitably cut through floors. Presents practical troubleshooting and corrective tips for typical problems of roof panels, gutters, downspouts, fascia, copings, flashing, ridges and hips, valleys, expansion joints, penetrations, fasteners and soldering. Insulation is often used in the expansion space, but is left out of the details for clarity.
A good reference for expansion joint and control joint. Will the lack of an expansion joint hamper or destroy the function of the facility, or cause damage to the structural or architectural components. Expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion copings and fascia also require joints that accommodate expansion between sections. Below are links to all our products downloadable roof details and drawings. The detail drawings are grouped by detail type and can be downloaded below in dwg or pdf. Gaf commercial roofing products mb and bur roofing cad. National roofing contractors association 8600 bryn mawr avenue chicago, illinois 60631 3126930700 january 1983 revised januaty 1985. Wall with selfterminating paraflex 531 liquid flashing. An invaluable inspection resource for owners of standing seam, batten seam, or bermudatype roofs. Flashing of the expansion joint should be completed in accordance with nrca details and the membrane manufacturers latest printed specifications. I n the most basic sense, the need for anexpansion joint in a structure depends on the consequence of not having an. Nrcas premier technical publication gives you the most current and useful technical information in the roofing industry.
The detail shown is used where a structural roof deck is not supported by a perimeter wall. Waterproofing is handled on the structural slab by a buried waterproofing membrane. The nrca isometric flashing detail for thermoplastic membranes, tp6 base flashing for nonwallsupported deck, sometimes is referred to as a fieldfabricated rooftowall insulated expansionjoint detail. Expansion joint openings, size, location, and overall performance need to meet speciic movement criteria in.
Tpa221 through wall scupper isometric tpa222 gravel stop scupper detail tpa232 gutter detail tpa301 parapet wall flashing detail 8. The expansion joints depicted generally provide movement capability in longitudinal and transverse directions and must be designed to accom modate the amount of expected movement. Nrca recommends that when this insulated expansion joints by chuck scislo. Nrca does not recom mend caulking the joint between the bottom of the exte. Sgh to evaluate 12 inch wide flat lock seam soldered joints. On occasion, special expansion joint details are required to transfer shear across the expansion joint. A roof designer will usually require roof expansion joints to coincide with a buildings structural expansion joints or places which there could be significant movement. Fd10 rooftop plumbing vent pipe detail fd11 sheet metal pipe enclosure detail fd12 rooftop pipe roller support detail fd structural roof deck penetration detail fd14 metal covered expansion joint detail fd15 premanufactured expansion joint detail fd16 roof area divider detail fd17 raised metal roof edge detail fd18 gravel stop metal roof. Situra waterproof expansion joints technical manual.
Expandoflash expansion joint covers are flexible, weatherproof exterior covers for expansion joint openings and are an effective, flexible closure for a wide. I n the most basic sense, the need for anexpansion joint in a structure depends on the consequence of not having an expansion joint. Expansion joint roof to wall paraguard expansion joint roof to wall wall with selfterminating parapro flashing. A roof expansion joint is a flexible closure used to minimize the effects of building movement or stress on a roof system. A recent check of several thermoplastic membrane manufacturers roof details showed that though they illustrate insulation at the rooftowall voids, none of these manufacturers show a vapor retarder. Common misconceptions concerning gutter design, having to do with metal temper and gauge, will also be examined. The expansion joint bisects all of the building elements including the structural slab, membrane, and wear course bricks. Sloped shingle roof expansion joints forum archinect. A recent check of several thermoplastic membrane manufacturers roof details showed that though they illustrate insulation at the roof.
The following plates outline some common building expansion joint details. More information will be available soon regarding hotel cancellations and other details. The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. National roofing contractors association 8600 bryn mawr avenue chicago, illinois 60631 3126930700 january 1983. By downloading and using any arcat cad content you agree to the following license agreement. Joint deterioration occurs through load bearing weight transferring from one side of the joint to the other causing microshocks at the point of load cycle. Architectural details building expansion joints floor.
In summary, a true construction joint must allow relative horizontal transition which is typically due to the thermal expansion and contraction or. Expandoflash expansion joint covers are flexible, weatherproof exterior covers for expansion joint openings and are an effective, flexible closure for a wide variety of standard and special applications. A continuous castinplace copper waterstop is used in the expansion. Tpa403 expansion joint wall flashing detail tpa501 curb flashing detail using coated metal tpa502 curb flashing detail tpa510 drain flashing detail 8. The nrca roofing and waterproofing manualfifth edition. Firestone has developed cad drawings of its epdm installation details to assist roofing professionals with the specification of firestone epdm roofing systems. Coordinate installation of exterior wall joint systems with roof expansion assemblies to ensure that wall transitions are watertight. The metal should be fabricated with a standing seam or continuous cleat to accommodate movement in accordance with nrca and smacna details. Architectural details building expansion joints roof.
So i have kind of a silly project on a fraternity house addition that has a flat roof with membrane and a mansard sloped shingle roof that sits atop the flat roof as an. Joint deterioration occurs through load bearing weight transferring from one side of the joint to the other causing microshocks at the point of load. Expansion control joints what is an expansion joint. The gaf commercial roofing products cad details below are complete drawings that can easily be downloaded, customized for your residential or commercial project, and included in your.
May 04, 2007 the metal should be fabricated with a standing seam or continuous cleat to accommodate movement in accordance with nrca and smacna details. The potential for fire is of specific concern during the installation of torchapplied membrane flashing sheets over combustible substrates such as wood roof decks and wood blocking. Membrane roof systems2011 385 chapter 10construction details. The detail drawings are grouped by detail type and can be downloaded below in dwg or pdf format. Expansion joint cover shall be installed in strict accordance with the manufacturers current published installation instructions and nrca, crca roofing guidelines. By contrast, in the 1996, 4th edition, nrca roofing and waterproofing manual, this author counted 52 builtup roofing. Insulated expansion joints national roofing contractors. The nrca roofing and waterproofing manual, fifth edition.
Nrca roofing manual steep slope roof systems hardcover january 1, 2017 5. The expansion joint in the above photo runs through the brick pavers as well as through the structural slab that supports the plaza. Watertightness is achieved through positive integration with the roofing membrane and a purposedesigned system for transitioning between the joint in the roof and joints in walls. Chapter 8 construction details progressive materials. The noted dimension e is the total expected movement within the joint.
Lp expansion joint covers are compatible with asphalt based builtup roofs, moppedon modified bitumen membranes and pvc membrane roofs. Make sure that the building expansion joint is clean and free of debris and has been packed with compressible batt insulation. Nrca s premier technical publication gives you the most current and useful technical information in the roofing industry. The minimum recommended gauge for copper used on roof expansion joints is 16 ounces. Expansion joint covers style cf ej curb to wall johns.
These drawings are also an integral part of the epdm technical manual, chapter 5 pdf. Gaf commercial roofing products mb and bur roofing cad details. So i have kind of a silly project on a fraternity house addition that has a flat roof with membrane and a mansard sloped shingle roof that sits atop the flat roof as an almost decorative roof, if you will. Nrcas construction details likely will require modification to. Composite roof system cross section adhered insulation in ftr601 adhesive on steel deck ftrdas10 roof system cross section mechanically fastened cover board and adhered insulation with vapor barrier ftrdas17sp roof system cross section mechanically fastened cover board and adhered insulation with vapor barrier ftrdas12sp. The gaf commercial roofing products cad details below are complete drawings that can easily be downloaded, customized for your residential or commercial project, and included in your cad library for future use.
Nrca also considers acceptable based on any limitations described on the alternative construction details. Expansion joints and related components wood blocking and attachment. Lightning protection system roof mounted curb with adhesiveapplied flashing. Composite roof system cross section adhered insulation in ftr601 adhesive on steel deck ftrdas10 roof system cross section mechanically fastened cover board and adhered. The study investigated the inservice cyclical thermal loads that flat seams typically experience, and to test varying levels of dressing extent, joint gaps, voids in solder, edge seam solder. Detailed drawings single ply tpa104 end lap detail tpa105 tjoint detail tpa108 roof perimeter flashing detail tpa206 tremlock fascia edge detail 8.
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