Structural design of roof curbs awa5114 (Structural) (OP) 8 Jul 16 00:43. To do this, the designer must understand the individual parts, not only on their own, but- more importantly-how they all work together to give the building all the benefits of a metal roof … density rigid fiberglass board, built-in where it can't be omitted. To ensure a perfect fit, CanFab roof curbs are built to the same specifications as the units they are designed for. These roof curbs include a large 2 X 4 wood nailer and 1 1/2” thick, 3 lb. The roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Available in galvanized or stainless steel construction. f?��9 �� ,�L~��N`2 D���K"�`3
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Failure to follow recommendations could result in the roof collapsing which could result in death, serious injury, and property damage. Experience We have the expertise, experience and resources to undertake the architectural needs of projects large and small from throughout the entire United States of America. Metal roof curbs come standard with 1″ foil-face rigid insulation (R6.5). Helpful Hints. Specify prefabricated roof curbs and related products by a roof curb manufacturer (not with, or by, the equipment manufacturer). Roof Curbs for Standing Seam Metal Roofs Pick the Proper Material: A galvalume-coated roof doesn’t mean that a galvanized steel roof curb is the best thing to use – in fact, galvanized roof curbs are known to rust, corrode, and leak, particularly along weld joints, as … Specify prefab roof curbs for use with all roof penetrations and roof mounted equipment including, and not limited to, HVAC units, duct openings, pipe penetrations, power roof exhauster, intake and relief vents, flues, or job … Internal 3 lb. Theisolated roof curbs may be further broken down intosheet metal … Structural roof curbs can be factory-designed and manufactured using a wide range of materials and weights, and with many options, such as burglar bars. Roof Curbs, Equipment Supports, Structural Roof Curbs, Insulated Roof Curbs, Skylights, Custom Roof Curbs and Roof Curb Manufacturers always depend on Roof Products, Inc. Roof Curbs, Equipment Supports, Structural Roof Curbs, Insulated Roof Curbs, Skylights, Custom Roof Curbs and Roof Curb Manufacturers always depend on Roof Products, Inc. The curb can be fastened down to the building structure and equipment bolted to the curbs nailer bracket to prevent uplift. In fact, a structural frame is required for roof openings in a commercial building of more than 12 inches. density rigid insulation. If unsure, you MUST contact a structural engineer for guidance. ® 3 1/2” Custom Roof Curbs - BASX Solutions Customed engineered for site conditions including high seismic and high wind applications. The curb can be fastened down to the building structure and equipment bolted to the curbs nailer bracket to prevent uplift. 1.04 Section includes pre-manufactured roof curbs for pre-engineered metal buildings. All curbs feature continuous seam welds. Experience We have the expertise, experience and resources to undertake the architectural needs of projects large and small from throughout the entire United States of America. A metal roof is a building component that requires proper design, specification and detailing. Roof Products, Inc. west coast operations are located in Phoenix, Arizona providing an excellent location for west coast manufacturing and quick services for the western half of the country for Roof Curbs, Roof Curb Adapters, Roof Curb Manufacturing, Structural Steel Curbs and Roof Curbs as well as many Prefabricated Roofing Curb needs. The Prefabricated HVAC Roof Curbs must be installed in accordance with instructions and as detailed on drawings. Prefabricated roof curbs have been in use since the roof has been utilized for something other than keeping weather out. Heavy duty structural roof curb, with 14 GA minimum steel construction, and intermittent reinforcement. %PDF-1.6
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Curbs and opening sizes for RTUs exceed this cut size, and therefore require a roof top unit support frame for each one. Roof Curbs install under the roof panel on the up-slope and over the roof panel on the down-slope, which results in a shingled watershed condition for complete weather-tight condition. 07721 ROOF ASSEMBLY SUPPORTS FOR ROOFTOP EQUIPMENT ***** SPECIFIER: All roof-related items above or outside the structural roof deck, including such work as blocking, insulation, membrane, sheet metal, hatches, smoke vents, pipe supports, and rooftop equipment curbs are components of the Roof Assembly. This helps support the opening and the unit. I am often involved in design of these … Structural Roof Curbs: Owner’s supplier for structural roof curbs and adapter curbs will be as follows. Wasco Part of the VELUX Group – 85 Spencer Drive, Unit A, PO Box 559, Wells, ME 04090. SECTION 07721 PREFABRICATED HVAC STRUCTURAL ROOF CURBS PART 1 - GENERAL 1.01 SUMMARY A. The primary function of the curb is to keep weather out while supporting/flashing the equipment on it. Roof Support WARNING Heavy Objects! For roofs with panels out of modulation, loose rib caps and plugs can offer a good option. CanFab roof curbs are built of heavy gauge galvanized steel to ensure equipment support without curb deflection. ��?q2��x��,VX���L��
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Our roof curbs provide structural strength & integrity. Sunoptics offers a full line of structural and insulated wood and metal curb options for your roof assembly. To ensure a perfect fit, CanFab roof curbs are built to the same specifications as the units they are designed for. By selecting this hybrid roof curb, you have selected a patented (US Patent #US 9546485B2) and proven product that is easy to install. Corona, CA 92879 ��Ҋ�\P��G]���H�����++�7���x�A��w��j��. Curbs Plus, Inc. is a manufacturer of conventional and pre-engineered metal building roof curbs, curb adapters, architectural equipment screens, diffusers and more. 800-232-2632, ©2020 Cannon Fabrication, Inc. 1.03 INSTALLATION A. Flat-Flange curbs offer great flexibility for new and retro-fit applications. High R-values are available upon request. Designed to meet site requirements with ducted or plenum style connections. Our Structural Curb Option eliminates the need for interior structural reinforcement for new construction assembly. Everything is sized perfectly, which is another good reason to not build your own roof curb. Non Insulated Roof Curb; Insulated Roof Curb; TC1 Roof Curb; TC2 Roof Curb; Metal Building Curb; Vibrocurb III Curb; TEMS 1, 2, and 3 Equipment Supports; Curb Adapters; Project specific calculations sealed by a Professional or Structural Engineer licensed in all 50 states. Non-Structural Roof Curbs: Subject to compliance with project requirements, provide prefabricated metal roof curbs by: h�bbd```b``�� R�D2���� �-�^ Side flanges nest with the roof panel thus resulting in a complete watertight seal. 182 Granite Street, By selecting this hybrid roof curb, you have selected a patented (US Patent #US 9546485B2) and proven product that is easy to install. Roof Vents & Roof Fans are available with curb mounted flanges engineered to fit our roof curbs. Contact 800-388-0293. Structural roof curbs can be factory-designed and manufactured using a wide range of materials and weights, and with many options, such as burglar bars. Specifications. The General Contractor shall provide all labor, material and equipment to completely install the Prefabricated HVAC Roof Curbs. RCS will not recommend rubber, polypropylene-based, or ABS plastic rib covers as the fasteners can too easily cut into the cap base. Flat-Flange Roof Curb System. RPS Equipment Rails are a sure, economical roof equipment pedestal with continuous wood nailer for the proper attachment of roofing flashings, along with a removable cap flashing which offers maximum assurance of a secure, watertight, installation. With decades of experience and thousands of roof curbs under our belt, it is no wonder we are able to continue to innovate and improve our hybrid roof curbs. Calculations meet the current IBC and UBC codes. ONE SOURCE for Structural Roof Curbs, Adapter Curbs, Drop Box Diffusers, Duct Systems, Steel Processing and more… ADAPTER CURBS AES offers a complete line of adapter curbs, designed to transition seamlessly from your existing roof curb to new equipment without penetrating the … Prefabricated roof curb to be manufactured of prime galvanized steel construction, 20 , 18, 16 or 14 gauge as required, meeting ASTM A653/653M, with welded corners and with seams joined by continuous water and air tight welds. And in this one sentence lie the benefits and the detriments we face in the roof curb business everyday. Pre-fabricated roof curbs to be of prime galvanized steel construction, 14, 16, 18 or 20 gauge as required, meeting ASTM A653/653M, with welded corners and 3” cant fully mitered with seams joined by continuous welds. reinforcement. I am looking for resources that can help me learn more about structural design of roof curbs and attachments for HVAC equipment. The roof curbs may be broken down intoisolatedandnon-isolated types. Structural roof curbs are all welded construction, sealed and prime painted upon completion. All Rights Reserved.Privacy Policy, Curb, Rail, Flashing & Bulb Seal Included, Weather Tight Access Door at Each Isolator, Heavy Gauge Galvanized Steel Construction. We are headquartered in Ringgold, Georgia with additional facilities in El Dorado, Kansas and Mount Union, Pennsylvania. Curbs to be internally reinforced, Curb packages … In addition, a 20-Year Warranty comes standard on all aluminum curbs. These roof curbs include a large 2 X 4 wood nailer and 1 1/2” thick, 3 lb. prefabricated metal building roof curbs. 1.03 Prefabricated metal roof curbs shall be used at all roof penetrations including but not limited to HVAC units, skylights, duct openings, pipe penetrations, column penetrations and exhaust fans. density rigid insulation. RPS custom-manufactured equipment rails eliminate the makeshift while avoiding overdesign. Calculations include Wind Load analysis. Provides condensation-free openings and aids in sound absorption. 95 0 obj
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CanFab roof curbs are built of heavy gauge galvanized steel to ensure equipment support without curb deflection. To compliment our curb line, CanFab has a complete library of SEISMIC calculations and SEISMIC clips addressing the current code for unit to curb, isolator to curb (vibration isolation curbs) and curb to structure method of attachment including wood, steel and concrete construction. Roof curb shall be internally reinforced with angles 48" on center and factory installed wood nailer. With decades of experience and thousands of roof curbs under our belt, it is no wonder we are able to continue to innovate and improve our hybrid roof curbs.