Roof framing in this chapter, we will introduce you to the fundamentals of roof design and construction. Wood frame prescriptive provisions one story residential construction only formerly known as type v sheet the wood frame prescriptive provisions are for one and two family dwellings and townhouses of wood frame construction, not exceeding one story in height. Sarnaclad metal flashing detail drawing dwg dwg 419 kb en detail drawing dwg dwg 421 kb en. Architectural standing seam install guide best buy metals. Metal roof installation manual atas international, inc.
The details included here establish the best known methods of installation for rooftop mounted equipment. Ssr, decorflush, powerseam, grandcurve, high seam, posilock so slim seam, snaponbatten, snaponseam, stand n seam, thin seam, trib for metal roofing systems fascia and mansards soffits. Roof flashing details index fd01 interior roof drain detail fd02 interior drain with gravel stop detail fd03 scupper roof drain detail fd04 gutter roof drain detail fd05 rooftop equipment curb detail fd06 rooftop metal air shaft curb detail fd07 rooftop wood air shaft curb detail fd08 roof skylight detail fd09 rooftop chimney pipe detail. Please note that many details presented in this booklet may. For miscellaneous panel and flashing cutting requirements. This completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of customfabricated architectural sheet metal including roof drainage system design for scuppers, gutters and downspouts. For details not included in this manual, refer to the latest edition of the smacna architectural sheet metal manual. Such a system usually consists of copper counterflashing and base flashing in conjunction with roof composition flashing or coping. Bscs information sheet on common flashing details walks through the most underrated building enclosure component. In this article, well take a closer look at flat rooftowall flashings. Install sheet metal flashing and trim to fit substrates and to result in watertight performance. Always be aware of your position on the roof relative to any roof openings, roof edges, coworkers, and penetrations. In addition it serves to move any moisture out away from the inside of the wall. For more information on this subject, please refer to the mcas metal roof design for cold climates manual.
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. Metal roofing panels are slippery when wet, dusty, frosty, or oily do not attempt to walk on a metal roof under these conditions. Please fill in your details below to access our full list of standard details for. Barge flashing a corner flashing that elegantly finishes off your roof. There are many parameters to consider when good roof performance is desired.
Pent roof, hipped gable roof 12 roof penetration, connections, expansion strip, crossseam 14 2. For up to date information on metal roof and wall cladding, including downloadable construction. Copper flashing is used wherever a wall intersects a roof. Verify shapes and dimensions of surfaces to be covered before fabricating sheet metal. Sheet metal roofing thermal and moisture protection. In addition, the blue book references the complete system. The information contained in this manual is intended chapter 8 construction details the nrca roofing manual. Factors that influence flashing size, shape, and endlap requirements include roof pitch, roof geometry, slope length, and climatic factors such. Free architectural cad drawings and blocks for download in dwg or pdf formats for use with autocad and other 2d and 3d design software.
Roof flashing details index fd01 interior roof drain detail fd02 interior drain with gravel stop detail fd03 scupper roof drain detail fd04 gutter roof drain detail fd05 roof top equipment curb detail fd06 roof top metal air shaft curb detail fd07 roof top wood air shaft curb detail fd08 roof skylight detail fd09 roof top chimney pipe detail. Free shipping and free returns on prime eligible items. Sheet metal roofing thermal and moisture protection arcat offers free cad blocks, drawings and details for all building products in dwg and pdf formats. Ansisprifm 4435 es1 2017 test standard for edge systems. They do not represent all possible manufacturer application roof. Install metal panel trim, flashing, and accessories. Flashing details this technical profile illustrates many of the most common flashing details for residential and commercial buildings. Easy access to all englert brochures and catalogs, a color selector for both roofing and gutter colors, standing seam metal roof panel profiles, and a convenient coil calculator to assist in estimating and completing your particular project.
Roof and side panels should be erected as soon as possible after. Flat rooftowall flashings the ashi reporter inspection. Ansisprifm 4435 es1 2017 test standard for edge systems used with low slope roofing systems. For details not included in this manual, refer to the latest edition of.
Below are links to all our products downloadable roof details and drawings. To emphasize the importance of proper roof and deck. Metal reroofing over shingles southeastern metals metal roofing panels may be installed over existing asphalt shingles, provided the roof decking integrity has been confirmed to be free of any moisture decay that would prevent unlevelness or fastener pull out capacity. Include details for forming, joining, supporting, and securing sheet metal flashing and trim, including pattern of seams.
To emphasize the importance of proper roof and deck flashing, and to provide typical and enhanced flashing techniques for coastal homes. Metal cap flashings should overlap wall claddings by. Indicate tile layout with location of cut and special shaped tiles identified. Chapter 8 construction details progressive materials. Sheet metal roofing thermal and moisture protection free. Ordinances regarding roofing applications over existing shingles. Refer to the panel flashing details and fastener placement pages of this. The kickout flashing directs water away from the adjoining wall and ensures that the step flashing is not concentrating water on the surface of that wall. It is impossible to illustrate every possible design scenario for sheet metal flashing details. Roofs there are many factors in designing roofs including. Where flashings need to be sitebuilt from sheet metal, or flashing. A few definitions may make it easier for you to communicate with roofers. Standing seam metal roof systems are backed by engineering support to ensure that each roof is right for each building. Flashings on flat roofs are criticaljust as critical as they are on steep roofs.
The wallside of the flashing can either be covered over with siding or sealed with caulk. For longer slopes and lower roof pitches, contact fabral for other suitable profiles. Install sheet metal flashing and trim true to line and levels indicated. Pdf complete set of the documentation in pdf format. The tremco thermoplastic polyolefin tpo roof system is a thermoplastic, high reflective, light. Use fasteners that are compatible with or of the same type of metal as the. Nrca makes these construction details available in a computeraided design cad format to allow users to customize these construction details using their own cad software applications to suit their specific project needs. Roof flashings metal roofing supplies queensland sheet. The drip edge is defined as a metal flashing or other. Features more details in the historical restoration section on skylights, cornices and spires. Builtup roofa lowslope or flatseeming roof covered with alternating layers of roofing felt and hotmopped asphalt and topped off with a layer of gravel.
The bottom leg of the step flashing is placed over the roof drainage plane. Roof pitch the metal roofing panels shown in this manual require a minimum slope of 2 per foot to ensure proper drainage. A critical component of step flashings along the run of the roof slope is a kickout flashing. Metal flashing details rcabc roofing practices manual. The drawings contained within this section are intended to represent a variety of sheet metal flashing applications while remaining generic with regards to manufacturers specific application specifications. Common flashing details building science consulting. Roof pitch the metal roofing panels shown in this manual require a minimum slope of 2. Metal roofing specifications cad pdf drawings testing bim. Roof to wall certainteeds rooftowall expansion joint features a metal cap for. These are often made with a v bead or birds beak at the. Also for exposed fastener panels, wall panels, tiles, soffit, fascia, copping. Flashings are the most underrated building enclosure component and arguably the most important. Prime top surface of metal flashing with m400 rubrprime and install m60 rubrpoly flashing sheets.
Very often, the flashing details that we see are a minimum possible rather than an ideal solution. Wear softsoled shoes to improve traction and to minimize damage to the paint finish. Indicate metal flashing profiles, joint locations, fastening locations, and installation details. Get free 2day shipping on qualified metal sales, roof flashing products or buy building materials department products today with buy online pick up in store. Metal roof installation manual metal construction association. Show installation layouts of sheet metal flashing and trim, including plans, elevations, expansionjoint locations, and keyed details. Metal roofing specifications and color charts mcelroy metal. Refer to the raincarrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. This is even true for buildings that are out of square by up to 4. Roof penetrations can be categorized by whether the roof is sloped or flat. These flashing details should be followed, especially for any projects requiring a weathertightness warranty. Metal roof installation manual metal roofing alliance. Butyl tape should be applied where the foot of the flashing attaches to the roof.
Three pairs of snips will be required for left edge, right edge, and centerline cuts. No matter what the age of a building there is one simple universal truth. Shop through a wide selection of roofing flashing at. Figure 11 sidewall flashing is applied when the side of the roof butts up against an adjacent wall.
Never attach any roof flashing directly to rooftop unit. The counterflashing diverts water to the base flashing, which, in turn, diverts it to the composition flashing. To guard against leakage, gables finish in a 3 high standing seam, never in the flat valleys of the roof where leakage is most likely to occur. A complete set of flashing details for each panel profile is available at, and includes detailed drawings for many flashing conditions. If youre looking for wall panels, metal siding, or metal roofing products, we have you covered with a vast array of optionsbut we dont just sell products. Light gauge metal roof and wall panels asc building products. The purpose for flashing is to prevent moisture from deteriorating steel angles or other building components. Nci designs its standing seam roofs to meet the load requirements dictated by governing codes and project. The preferred method of flashing penetrations through flat roofs involves the construction of a curb around the opening. Va standard details div 23 hvac steam all details 1 of 2. The tpo roof system can be mechanically attached, ballasted or fully adhered. Installation manual metal siding steel roof panels. Provide uniform, neat seams with minimum exposure of solder, welds, and butyl sealant. A copper roof was used on the rebuilt old senate chamber in 1819.
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