Allentown, Pennsylvania 18106 Pitch:1/2/12 to 2/12 pitch. << ] 4 0 obj For panels wider than 16", please scroll down to see the next drawing below. We can provide them with all the information necessary to ensure that they install these snow guards correctly and in a fashion that is compatible with your specific roofing system. Starting at 6 inches from the bottom edge, place 2 snow guards equally spaced apart in the valley, in a staggered pattern, across the entire roof area. When this method is used, the sliding force of the snow is transferred to the clamp and then into the roof panels themselves. required) to anchor snow guard brackets, to ensure secure placement and the long-term service life of the roof. A row of guards placed along the eave or gutter edge of Go up the roof 8 feet and repeat the staggered pattern of guards in every valley as placed below. 4 0 obj For through-fastened roofs, Haddock says sealants should be at least equal in performance to those used in the roof itself. Since snow guards are expected to last the entire service life of the roof, MCA recommends always using mechanically attached snow guards, never glued. What is the Best Way to Mount Snow Retention to a Metal Roof? How do I attach snow guards to a roof that's already installed. stream Snow retention systems reduce the risk of sudden rooftop avalanches and mitigate the hazards present in the area below the eaves. components, we take the guesswork out and provide an appropriate system with sealants factory-applied. !pN,SeX.5m5ldUk[]pZQp=8O@{xxR}3DiBocHu%.NugkMi;$ P'd_h) \v[SwtcB K3{ XE2OJ=d@>r=h{cN)lfym A\},jaz]Vh+zibN6wUn/5* 5Z$FVIM`9Hz%%%t,RfZM @ *d. Starting at 1 foot from the bottom edge, place 2 snow guards equally spaced apart in the valley, in a staggered pattern, across the entire roof area. An We have never heard of an issue with our snow guards causing a leak. When possible, always attempt to divide the roof areas into equal sections, with equal distance between rows, without exceeding the manufacturer maximum placement guidelines. Again, the strength of the structural attachment mounting method is also important and should also be proven and matched to the in-service loads to which the snow guard will be exposed. or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. ] Use: 2 snow guards per valley for every 5 feet of roof. Panel: Valley width less than 16 inches. 8032[ **xCa 76 /Length 75 0 R 2 0 obj Snow Fences Protect Congregation at Ski Area Chapel. [9] AMSI Supply 4333 Lynwood Ct, Douglasville, GA 30134, metal roofing components, Tel: 800-943-9771, [10] SnowGrip, 126 Woodward Ave., Iron Mountain, MI 49801, Tel: 06-396-7000, Email: mark@snowgripit.com Website: http://www.snowgripit.com/. As Haddock notes, the steeper the roof, the greater the forces are that act on the snow guard assembly. A quality snow retention system will help preserve your roof and allow snow drifts and snow melt to exit the roof in a more controlled manner. Go up the roof 15 feet and repeat the staggered pattern of guards in the center of every valley. Snow load: Up to 45 PSF ground snow load. Isolating snow guards on partial roof sections such as just over doorways or roof vents is not recommended. These have at least two components: brackets or seam clamps that are attached to the roof, and cross-members that are anchored to the brackets or clamps that restrain the sliding snow. 2 0 obj According to Precision Snow-Guards[2]. This is important because tested holding strength is dependent upon that torque, he says. Handbook of Building Crafts in Conservation, Jack Bower, Ed., When deciding on the right type of snow retention system, Haddock says to be sure the design is adequate and specific to your application, with appropriate testing. Clamps attach directly to the roof seam using polished, round-point setscrews that do not penetrate the metal (. Panel: Valley width less than 16 inches. Always consult with an architect or engineer for recommended snow guard placement for your project. Visit MCAfor more information. Snow guards should always be placed at the lower half of the roof plane. 100 Pitch: 3/12 up to 4/12 pitch. When possible, always attempt to divide the roof areas into equal sections, with equal distance between rows, without exceeding the manufacturer maximum placement guidelines. 0R(Pzw@,&/$G=N 63Qa.l*+f#XWnrQ]v"U!Q>kS By using this site, you agree to abide by the Terms of Use. Young, Wiley (March 21, 2008) <> The holding strength of such a system should be documented through rigorous testing and must be able to resist the loads to which it is exposed. endobj This page should only be used only as a quick reference guide for estimating snow guard quantities and placement on roofs with less than 45 PSF ground snow load. We have no relationship with advertisers, products, or services discussed at this website. For Example: if your roof sheets are 12 feet long, your roof would require a row at 6 inches from the bottom and at 6 feet up from the bottom. /Domain [ 0 1 0 1 0 1 0 1 Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. hbspt.cta._relativeUrls=true;hbspt.cta.load(3482954, '177210f6-6753-4abf-8d8e-584d19f8445e', {"useNewLoader":"true","region":"na1"}); The second type of snow retention is a system that attaches through the roof and into the building structure (also a mechanical-attachment). Snow load: Up to 45 PSF ground snow load. ISBN-13: 978-1405161039, Built-Up Roof Systems, Manual, C.W. Do not exceed 8 feet vertically between rows of guards. Clamps attach directly to the roof seam using polished, round-point setscrews that do not penetrate the metal (mechanically-attached). /Metadata 6 0 R Van Nostrand Reinhold Company, NY 1981 ISBN 0-442-2135-3 Library of {.2&{.: /Type /ExtGState Snow load: Up to 45 PSF ground snow load. For panels wider than 16", please scroll down to see the next drawing below. Phone: 800-468-1441 A unitized snow guard can be a single- or multi-component and does not use continuous cross-member. Go up the roof 5 feet and repeat the staggered pattern of guards in the center of every valley. Failure of a snow retention system can cause property damage and potential loss of life. <> Because metal roofs have exhibited service lives of more than 60 years in documented field studies by the Metal Construction Association (MCA), this requirement immediately rules out the use of plastics (polycarbonates) as they do not measure up to such a service life in outdoor exposure, he adds. Watch out: Berger Building Products (ret 2014) warns that, Snow guards should never be placed beyond the bearing wall on an extended roof section. A properly Website: http://www.snow-guards.com/snowguards.php, [3] S-5! Snow Retention Systems, S-5! Normally used in a redundant fashion, unitized snow guards rely on the bridging of a snowpack to span between adjacent devices to limit snow migration. 3 0 obj Panel: Valley width less than 16 inches. We're confident that our retro-fit snow guard installation method will provide secure, leak-proof attachment for the life of the roof. endobj Use: 1 snow guard per valley every 8 feet of roof. << Terms of use, which are legally binding upon you, govern your use of this site and any products manufactured by Metal Roof Innovations, Ltd., and provide rules that prohibit unlawful use or copying of any part of this site. (Suddenly, this is not as simple as it first seemed to be). Snow load: Up to 45 PSF ground snow load. the roof is not always enough protection against this dangerous condition. components, we take the guesswork out and provide an appropriate system with sealants factory-applied. structure, metal roof and snow retention system. /Filter /FlateDecode Whether residential or commercial, you have already madea smart decision by choosing a roof that has the longest service life possible. All Rights Reserved. But if you look more closely at the detailed instructions, installation becomes a bit more complicated careful surface preparation is required, as well as many days of curing time at specific temperatures. An important note in respect to mechanically-attached systems is the distinction between clamping and drilling a snow retention system onto a roof. All Rights Reserved. /Filter /FlateDecode When installing snow guards, always refer to the manufacturers instructions. 8655 Table Butte Road But with metal roofs, you must consider the risk of roof top avalanches. Snow guards are considered a life/safety product, and therefore should have the service life and durability equivalent to the roof itself, Haddock says. Roof Tiling & Slating, a Practical Guide, Kevin Taylor, Crowood Press (2008), ISBN 978-1847970237. The International Energy Conservation Code (IECC) and the American Society 1994-2022 Modern Trade Communications Inc. No data on this website may be downloaded or copied for use on other websites or in other publications without prior written consent from this sites webmaster. dEGARp`MRfEA!w=90$s` f rxCR )A!r 90G5 The Woodbinder Eclipse is specifically designed as a fastener for exposed fastener metal panel roofs. For example, a 4:12 roof that is 50 feet from eave to ridge with a 40-psf design roof snow load will exert 633 pounds per linear foot of eave on the snow guard assembly, he explains. Pitch: 3/12 up to 4/12 pitch. Check out ourretro-fit snow guard installationinstructions and video. /Length 77 0 R Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. And holes in a metal roof need to be properly weather-proofed to prevent leakage. Technical Resources from the Metal Construction Association: For more information, visit www.metalconstruction.org/Tech-Resources. The buildup of snow and ice on a pitched metal roof causes challenges in many areas around the country. When possible, always attempt to divide the roof areas into equal sections, with equal distance between rows, without exceeding the manufacturer maximum placement guidelines. They are also protected from harmful UV sunlightand they utilize part designs that prevent over-compression which can also compromise their service life. 1 0 obj ] ISBN-10: 1405161035 We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. /Range [ 0 1 0 1 0 1 0 1 And, a standing seam roof should use clamp-to-seam attachments that are metallurgically compatible with the roof material. Use: 1 snow guard per valley every 10 feet of roof. Metal roofing is indeed a slippery slope (pun intended), as you must consider the risk of roof top avalanches (personal danger and property damage), as well as the need for snow removal maintenance. A quality snow retention system will helpyou avoid these drawbacks, allowing the snow to melt safely away, providing decades of trouble-free service of your roof. >> loses its grip on a metal roof and begins a down-hill slide, everything in its Spacing requirements for snow retention devices vary depending on the roof slope or pitch. [19] Asphalt Roofing Residential Manual from ARMA the Asphalt Roofing Manufacturers Association Website https://www.asphaltroofing.org/product/residential-asphalt-roofing-manual/ , [20] Terry Anderson, "Snow Retention - the Invisible Code", web search 7/13/12, original source: http://snow.tra-mage.com/news-articles/snow-retention-the-invisible-code.html [copy on file as: Anderson Dec 2011 Interface.pdf ], Building Pathology, Deterioration, Diagnostics, and Intervention, Samuel Y. Harris, P.E., AIA, Esq., ISBN 0-471-33172-4, John Wiley & Sons, 2001 [General building science-DF] ISBN-10: 0471331724 What is the best way? For more information, please do not hesitate to contact us! [7] Pacific Sheet Metal, Similarly, fasteners should also last the life of the roof. To accomplish this, prior to installation with other (non-S-5!) using the process of either clamping to the seam (non-penetrating) or screwing through the roof material (penetrating). According to the MCA technical bulletin, sealants and washers can be used to protect the sealing material from direct exposure to sunlight. For Example: if your roof sheets are 26 feet long, your roof would require a row at 1 foot from the bottom and at 13 feet up from the bottom. InspectAPedia tolerates no conflicts of interest. When possible, always attempt to divide the roof areas into equal sections, with equal distance between rows, without exceeding the manufacturer maximum placement guidelines. Use: 1 snow guard per valley every 15 feet of roof. SnoBlox - Snojax. Continue reading at SNOW GUARD BUILDING CODES? MCAs technical bulletin, Metal Roof Design for Cold Climates, can be used as a reference guide for snow retention calculations and placement. MCA (Metal Construction Association) technical documents are the greatest aid available for snow guard selection criteria and downloads are free. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. /Filter /FlateDecode Feasterville, PA 19053 According to Haddock, the method of attachment of snow guards should be consistent with the roof type. In addition to installing one or more staggered sets of snow guards "across the lower roof edge" with quantity and spacing varying by roof slope (discussed above), we'd like to know how far back from the lower roof edge or eaves should the first row of snow guards begin and how many feet of space should be provided between banks of snow guards on larger roofs with multiple installations of snow guard products. Historic Preservation Technology: A Primer, Robert A. Use: 2 snow guards per valley every 15 feet of roof. /Range [ 0 1 0 1 0 1 0 1 /Length 76 0 R Do not exceed 10 feet vertically between rows of guards. ] It is critical to understand the unpredictable nature of snow melton a metal roof. Panel: Valley width between 16 inches and 24 inches. A combination of testing, science, mathematics and quality control are required for the proper design of snow guard systems. Congress Catalog Card Nr. <>/PageLabels 547 0 R>> Email: info@rockymountainsnowguards.com, Rocky Mountain Snow Guards Griffin, Mcgraw-Hill (Tx); 2nd edition (July 1982), ISBN-10: 0070247838, ISBN-13: 978-0070247833, Concrete Folded Plate Roofs, C. Wilby PhD BSc CEng FICE FIStructE (Author), Butterworth-Heinemann, 1998, ISBN-10: 0340662662, ISBN-13: 978-0340662663, Copper Roofing, Master specifications for copper roofing and sheet metal work in building construction: Institutional, commercial, industrial, I.E. The collection of snow on a roof can produce significant sliding forces, which can cause the snow to fall suddenly. Attachment Solutions, This can result in ice damming and cause structural damage. 81-50643. We give recommended side spacing between individual snow guard devices & we discuss an important consideration to avoid structural damage: how far up the roof from the eaves should the first row of snow guards begin. 'S]A0>hn[vtQ;LHOB>u $=3$Zp?"760J~TQ(~A Xv:D8bEl T@12Q_9B :D Fc3 MrL{f8v PU a2 @w&-pr$P}u>P#w^XV(j$PH2BnxaDBx:a4 endobj Because they know our rigorously researched, tested and quality engineered products deliver unprecedented value and innovative excellence. 4231 S. Natches Court, Unit C uR( -IdlH"(dEYG! products, you will need to perform additional steps to waterproof these roof penetrations, and you will have to know something about sealant chemistry, part design, sealant selection/sourcing, etc.). He recommends asking the manufacturer for written proof of appropriate testing on the chosen roof profile or substrate by an accredited lab. roofing can create an extremely dangerous avalanche condition. Use aluminum with stainless hardware on coated steel and zinc roofing; brass alloys or stainless for copper roofing; anodized aluminum or stainless for stainless roofing, adds Haddock. << (888) 825-3432, Email: info@s-5.com, Website: http://www.s-5.com/snow/. FAX: 610-395-9342 In fact, we have many high-end projects located in some of the snowiest places in North America with thousands of snow guards attached using the Woodbinder Eclipse. Stick-on systems appear on the surface to be a very convenient and lower cost option. path will be destroyed. Axqb"$3Z-XV+[B%6ac\MpP$BPNogPkXqTa6gIevSqT.v} cH (dEYFQdE standing seam metal roof. Jerod Webber, sales manager, at Raytown, Mo.-based Dynamic Fastener, notes that engineering and testing is one of the main focuses when choosing a snow retention system. This is a strong and secure option if the roof is a standingseam style metal roof. In general, snow accumulates on a roof with greater concentration near the eaves and valleys due to wind scouring. Continuous snow guards can be made up of one or multiple cross-members. When they fail, they can rip away paint and protective roof coatings, causing corrosion. % YG! Panel: Valley width between 16 inches and 24 inches. Email: info@bergerbuildingproducts.com, Website: BergerBuildingProducts.com, [2] Precision Snow-Guards, AceClamp, Standing Seam Metal Roof Supplies, Precision Snow-guards - c/o PMC Industries, Inc. >> [4] SnoBar, Tel: 800-711-9724, Website: http://www.snobar.com/index.html The company's products include a patented one-piece roof clamp bracket & other brackets for attaching bars used as snow rails or snow fences. snow guards, << Learn more about installing snow retention systemswith mechanical attachment via clamp mounting or structural attachment and weather proofing at S-5.com. In its newest technical bulletin, Qualifying Snow Retention Systems for Metal Roofing, MCA recommends snow guard systems for metal roofs to be manufactured from non-corrosive metals. Snow load: Up to 45 PSF ground snow load. area to keep snow and ice from shifting initially. Please be aware that our site is best experienced with Ad Blockers turned off. [0@naBB This question comes up A LOT in the snow guard world as many of our retro-fit installations use theWoodbinder Eclipsescrew, face-fastened to fasten the snow guard onto the roof. ] /DeviceCMYK 2 0 R Go up the roof 5 feet and repeat the staggered pattern of guards in every valley as placed below. 76 0 obj *CD|~W_w?Cb7$R*k>h#4;o_}!f> |O A_$(O10c'6|@/1c||) jXZM?7M3_9A QV>P9MjY4 HoQ#4Sep*3I/S|15cZrGN;hO@HKxQU4ycUnC~!ge}L'WUSg2}hUvSwn7]]zadCk%V_:UOnE,usgS+'9x9yt>We]]D9mxJ)KLM58(-p*1'`4!nk]seW.{>,;3Y3kjrvI% +'p>o1ij. At S-5!, we take the magic out of all that with web-based tools, enabling you to do all this quickly and easily. Pitch: 7/12 up to 12/12 pitch. Xa3Y0dFja}Ca Attachment Solutions. >> Therefore, a face-fastened roof should use a face-fastened snow guard attachment with butyl copolymer sealants and fasteners of no less quality than those used for the roof itself. /Subtype /XML For Example: if your roof sheets are 16 feet long, your roof would require a row at 1 foot from the bottom and at 8 feet up from the bottom. When choosing washers or sealants for waterproofing, use ones with the same chemistry as the washers and sealants present in the roof system to ensure a similar expected service life. Snow load: Up to 45 PSF ground snow load. Go up the roof 15 feet and repeat the staggered pattern of guards in every valley as placed below. Slate Roofing in Canada (Studi4es in archaeology, architecture, and history), Tile Roofs of Alfred: A Clay Tradition in Alfred NY, "Weather-Resistive Barriers [copy on file as /interiors/Weather_Resistant_Barriers_DOE.pdf ] - ", how to select and install housewrap and other types of weather resistive barriers, U.S. DOE, Wood Shingle Roofs, Care and Maintenance of wood shingle and shake roofs, (EC), Stanley S. Niemiec (out of print), Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. It is important that the snow guard system is designed for each specific project. [ /DeviceN [ /Cyan /Magenta /Yellow /Black seam style metal roof. The company provides a line of very sturdy snow rails or fences that mount to the seams of a metal roof. 289 Harrel Street AND we test and warrant their performance in accordance to ASTM E 2140. [8] Gough Snow Guards, Brookfield IL, Tel: 708-485-6272, Website: http://www.snoguard.com/ The company's products include copper snow guards installed on slate roofs and tile roofs, as well as standing seam metal roof snow retention systems. Two designs are mechanically-attached,using the process of either clamping to the seam (non-penetrating) or screwing through the roof material (penetrating). X 0[GA9DAC}T:Qr6vYnBY-\j#'3 Do not exceed 10 feet vertically between rows of guards. Starting at 6 inches from the bottom edge, place a snow guard in the center of each valley, in a staggered pattern, across the entire roof area. metal roof brackets, With S-5! 6 0 obj Use: 1 snow guard per valley every 5 feet of roof. Email: info@atas.com, Website: http://www.atas.com/Company/Contact.aspx. But there are steps to take to thwart dangerous roof top avalanches. Panel: Valley width between 16 inches and 24 inches. McGraw-Hill Professional; 4 edition, 2006, ISBN-10: 007145828X, ISBN-13: 978-0071458283. plastic snow guards, Violators will be prosecuted. Snow guards come in a variety of shapes and sizes. Since they represent a load chain to transfer the sliding forces of snow into the building structure, each link in the chain must be proven to be able to withstand the forces to which it will be exposed. tDA-$B uR, P[HdB"(TYG3~2aC8SRyc7M 6*/])tuE f#-k_((H `C'Jr2vy%2u6cr 9|^}!s+RlQdL u_ -7+$X{lOY{"lW|L+TE r]Ep}1{'9/h]~Bl_ The panel type and material, roof size, local snow loads and aesthetics are some other issues to consider.. In most cases, this means using high-quality butyl copolymer tapes and part designs that protect the sealant from UV exposure and over-compression.. If this is not done correctly, you run the risk of developing leaks. Once frozen precipitation 5 0 obj endstream 87 Spring Lane, Plainville, CT 06062 With S-5! But there are a number of methods to mount snow guard systems. Do not exceed 8 feet vertically between rows of guards. Go up the roof 10 feet and repeat the staggered pattern of guards in the center of every valley. Starting at 6 inches from the bottom edge, place 2 snow guards equally spaced apart in the valley, in a staggered pattern, across the entire roof area. stream %PDF-1.3 snow guard installationinstructions and video. /FunctionType 4 And these tested, proven and scientific holding strengths, are engineered to the specifics of your projectnot using someones by guess or by golly assessments. There are three basic methods available for mounting snow retention systems to roofs. >> stream ] This first method uses a seam-clamping attachment. You simply remove the protective release paper and install. There are unitized snow guards, otherwise known as discontinuous snow guards, snow cleats or pad style snow guards. All snow guard devices rely upon the compressive strength of a bank of snow to resist its downward migration. Experts point out that for the placement of individual snow guards (as opposed to long horizontal snow fences or snow brakes) depends on the pitch of the roof. endobj Colorado Springs, CO 80908 Starting at 6 inches from the bottom edge, place a snow guard in the center of each valley, in a staggered pattern, across the entire roof area.
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