Thanks for your help! The R-Lok steel roof panel is a minimum 26-gauge, 50 ksi steel panel that has an effective width of 36”. Address: 29 Norfolk Close, Tuncurry NSW 2428 Phone: 02 6554 6422 Email: sales@dorvik.com.au accounts@dorvik.com.au * Use 5’ purlin spacing maximum * Install panels NOTE: This option NOT recom- mended for roofing a heated space with no insulation or vapor barrier. U.S. manufacturers express the thickness of metal panels as their ‘gauge’, with 22-gauge being the thickest and 29-gauge the thinnest of traditionally-sold metal roof and wall panels. Galvalume Warranty: 25 year What’s the difference in PBR and R Panels? Z Purlin (Zed Purlin) Metal Beams Z purlin gets its name from its z shape, as it is shaped like the letter z. See section on Purlin/Girt Spacing Limitations and Recommendations. Available in 26 gauge. If these issues are addressed during the design stage and the roofing contractor does his job, these systems will almost always … On commercial buildings, they tend to span more on the purlin distance, and the thicker metal allows them to do so. PROVEN SOLUTIONS FOR RE-ROOFING METAL ROOFS PROVEN SOLUTIONS FOR RE-ROOFING METAL ROOFS corrugated roofing’s inconsistent rib spacing Factory … (Felt v. Synthetic) Deciding between felt and synthetic underlayment? R-Loc™ is designed to maximize the potential of … Purlin spacing can be adjusted to suit increased loads particularly when services are placed on the construction. Roof Pitch The metal roofing panels shown in this manual require a minimum slope of 2-1/2” per foot to ensure proper drainage. and depends on the profile of the steel metal roofing product to be used. Personally, if I were gonna put metal on my house, I'd use 26ga standing seam. Metal Buildings, Roofing, and Components 1913 Hutchins Avenue Ballinger, TX 76821 (800) 231-1034 ext. The purlin are ultimately used to fasten the roof steel providing a diaphragm effect, along with the siding, when properly engineered and installed. Read more Article What Roofing Underlayment Should I Use? Wall girts are used for the fastening of metal siding. In addition, if you want a … i'm getting some quotes to replace with standing seam metal due to some leaks and signs of trouble (screws have been replaced already, lots of silicone on screws, and some leaks). See diagram below. Penultimate rafter joints are fully sleeved in the same gauge material as the end bay purlins and are longer than the standard sleeve. See section on Purlin/Girt Spacing Limitations and Recommendations. It is available in 26 gauge steel. -The old decking is composed of 1x8's and I'm concerned that a 100 yr-old house with that style of decking won't have a flat enough decking to install the new roof to and not have "wrinkling." They are available in stainless steel or galvanized, and can be prime painted and/or coated in ZAM. Secondly, purlins tie the rafters together, stabilizing and strengthening the structure’s rigid framing. By default, purlin sections assume the slope of the roof they are supporting. R Panel Features: 26 Gauge. Ultimate loads can be converted to serviceability loads (if necessary) by applying a factor of .71 in all parts of the country. The R Panel is identical to the PBR Panel but without the purlin-bearing-leg. In regards to the overall metal thickness, the higher the gauge number, the thinner the metal is. a ridge? 29 Gauge 26 Gauge 18” 48” 54”24” 30” 36” 48” 54” 18” 24” 30” 36” 199 ... ‘ Install Metal Maximum Purlin Spacing for Roof 2’ on Center Roofing Slopes of less than 2.5” on 12” are not recommended. Value can be gained along the edges of certain constructions by adjusting spacing to handle the locally high wind load effects or additional loads, thereafter reverting back to larger spacings. We discuss how metal gauge affects installation and compare the different gauges. Refer to the rain-car-rying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. If you live in an area with high winds and a lot of snow than spending the additional money on 24 gauge would make sense. Purlin Spacing. 24 Gauge Metal Roofing vs. 26 Gauge Metal Roofing. However, there are instances in which a 24 gauge material would be a better choice. Metal Roofing Source Grand Rib-3 / Multi-Purpose / & Classic Rib Grand Rib 3 panels are a strong, durable, economic, and attractive answer to the growing demand for the metal roofing needs of homes, businesses, and agricultural and utility buildings. Our ECO #1 painted steel panels have a siliconized polyester paint finish. Our paint system carries a 40 year warranty and Galvalume® a 25 year warranty. The minimum roof slope for PBR is ½:12. Because of that, we only recommend the R Panel for sidewall applications and not for the roof. *NOTE: PBR panels are available in Galvalume or White; R panels offer 11 color options. We are also proud to provide metal shingles, stone coated metal shingles, roll roofing, and flat roofing EPDM. For slopes of 2.5” on 12” or greater, end lap panels 6”. What Gauge Metal Roofing Should I Use For My Corrugated Roof? For buildings with 5 bays or more and rafter spacings up to 15m, heavier gauge purlins are fitted in the end bays with lighter purlins fitted on internal bays. Purlin Spacing . Metal roofing systems have a good track record of performance in harsh winter environments, as long as they are properly designed. * Note - Compliance with E2/AS1 is dependent on purlin spacing and gauge of roofing. R Panel Profile. ... bending about the strong axis of the member as the purlin is restrained in bending in the weak axis direction by the roof steel. Drape Curved Roofing The first two purlins at each end of the sheet in drape curving situations should, in all cases, be fixed using profile metal washers and EPDM washers with the balance of the roof fixed as above. See section on Purlin/Girt Spacing Limitations and Recommendations. We discuss the differences between both types of … (Also available without the purlin bearing rib mainly for walls.) R-Loc™ is a 26 gauge commercial panel that is an excellent choice for projects that require commercial grade performance. Missouri 2321 W. Kearney, Springfield, MO 888.862.5281 The panel has four major support ribs at 1.25” high that add rigidity and strength to the panel. Heavy End Bay Purlin System. The roof is attached to purlins at 2' spacing. Purlins near roof edges or changes of roof slope are subject to higher wind forces than interior purlins. For example, a 26-gauge steel panel can range between 0.0179 and 0.0217 inches thick according to a University of North Carolina at Chapel Hill resource. This product starts out as a flat sheet of metal that is later shaped into the desired shape, which in this case is like the letter z. We offer metal roofing panels and siding panels in 29, 26, and 24 gauge thicknesses in many profiles, colors, and shapes. •Available in Cee or Zee shape •Red Oxide Primed or Galvanized •16, 14 or 12 gauge •Sizes from 4” up to 12” •Flange widths of 1-1/2” up to 4” •Cut to your specified lengths • Hole punching … Commercial gauge metal is 26ga. As an added bonus, purlins increase the structure’s resistance to strong winds. patterns should be based on a given wind speed, ask them for a roof plan giving purlin spacing and serviceability design loads. There are three typical methods used to fasten purlins to the top chord of trusses. Maximum purlin spacing for roof 5’ on center Option 1: Install panels direct-ly to wooden framing. Thicker, no exposed screws, lot better roof. We have metal panels to meet any metal roofing or siding requirement. The panel has a yield strength of 80,000 psi. * Note - Compliance with E2/AS1 is dependent on purlin spacing and gauge of roofing. I have an R-Panel Roof on a metal frame home. The spacing of purlins usually call for careful arrangement, in the sense that it should follow the nodal pattern of the supporting trusses. Spacing is typically 24″ on center in low snow loads and is reduced based upon truss span and snow load. Costs more, of course, which is why the 29ga is more popular. The COS of the purlin spacing is because the load on the purlins is vertical and the purlin spacing is with the run of the roof. 8155 General Description: The R, RPN, and PBR metal roofing panels are minimum 26-gauge galvalume steel with an optional paint finish. The other says that gap provides more space for condensation to accumulate on the underside of the roof and cause inside-out rusting. The R-Panel system is available in 36” coverage. Metal roofing materials including galvanized steel need enough screw space to expand and contract during cold and hot weathers in Denver CO. To make sure you have your corrugated roofing properly spaced, Allsteel Metal Roofing has a great guide on measurements in case your corrugated roof didn’t come with pre-drilled screw holes. The R-Panel w/ PBR is a structural, exposed fastener panel that can be used for both roof and wall applications. That thickness is measured in gauge number (26 gauge, 24 gauge, etc.) In this section you'll find sample calculations for determining wind and snow loads as well as C purlin and C girt weight tables. Thirdly, purlins add additional support between the spans of the individual framing bays. The metal roofing panels have 36" of coverage and have a 1-1/4" rib height. All the figures are based on roofing tiles or slates laid on timber laths over sarking felt. This item is a metal beam that combines a roof to the wall joist of a building. The R panel comes in 9 glare-resistant textured colors with 40-year warranties. The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction. Looking for the correct gauge for your corrugated metal roof? Gauge of roofing. Side laps should face away from the prevailing wind. I intend to have a metal roof on top. Arkansas 12903 Hwy 62, Rogers, AR 866.900.8736. (Or ultimate loads in respect of clip fastened products.) When the metal roofing sits on a solid wood substrate a 26 gauge material is appropriate and a good value. R-Panel is available in a range of paint colors and in both 26 and 24 gauge steel. Corrugated load spreading profile Metal and 30mm EPDM Aluminium … Fetch Full Source. Metal building roof purlins provide three structural functions: First, the purlins support the roof. -On last question, what do you think of these purlins I found, … Limitations: Roof Framing: Install the metal roof panels over a minimum 16-gauge steel purlins as specified in Table 1. Metal Roofing Roof and Wall Cladding Code of Practice Section 3.5. For longer slopes and lower roof pitches, contact FABRAL for other suitable profiles. The key factors are usually snow loading requirements, adequate slope, and the use of snow guards when needed. Engineered Purlin METAL MART offers a complete line of Engineered Purlin material. It is also available in unpainted Galvalume®. Drape Curved Roofing The first two purlins at each end of the sheet in drape curving situations should, in all cases, be fixed using profile metal washers and EPDM washers with the balance of the roof fixed as above. Spacing: mm Roof Slope: degrees Is the purlin near a roof edge or a change of roof slope e.g. Meeting Building Code Requirements – Roof Hugger Meeting Building Code Requirements ROOF HUGGER, INC. 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