These design approaches are not included in this document but can be reviewed in the IBC and in other industry literature. However, many times, these quotes are too good to be true in actuality, and its just a scam to get you to fork over cash immediately for construction thatll never occur. It includes a 25-year water-tight workmanship warranty, as well as coverage for your homes entire roofing system against material defects for 50 years. During roof repairs or replacement, the condition of the roof deck and framing must be documented. ft. Wildland-Urban Interface (WUI) requirements need to be verified. This would commonly be the building department or building inspection department of the village, town, city or county in which the building is located. In very corrosive environments, stainless steel decking is used." : 2 Sealed proposals will be received until 2:00 PM on October 25, 2022, in the office of Western Carolina University Facilities Management Department 3476 Old Cullowhee Road Cullowhee, North Carolina 28723 Attn: Daniel Fiskeaux 1. Roof design wind loads are the wind pressures and resulting uplift forces for which the roof structure is designed. Once the model building codes have been updated, the updates will begin to make their way into locally adopted codes and standards. Instead of falling for an almost unbelievable estimate (and trust us, it is), you want to compare multiple quotes from reputable contractors and find one you can trust to get the job done right the first time. There are no specific requirements for hail resistance of roofing products in model building codes. Peavy Center - Exterior Walls Waterproofing and Roof Replacement Project WBS # H-000018-0006-4 STEEL DECK REPAIR/REPLACEMENT 05315 - 4 9/30/2013 D. All new metal roof decking shall be attached at a maximum of 12" O.C. This field is for validation purposes and should be left unchanged. IKO manufactures products for specific areas in North America. Take a look at the average lifespan for each type of roof: Now that youre aware of the different ways a roof can get damaged, youll be better able to assess your roof and identify any issues that might require repairs or a replacement. The resulting variations are also reasonable for hurricane winds, but are likely non-conservative for thunderstorm outflow winds and tornadoes. An existing roof should be evaluated based on design wind speeds and uplift loads that were in place at the time of permitting, and it is important to recognize the difference in the definition of the reference speeds. Find out exactly what you should expect for the big day. 0000000667 00000 n Qualified building officials and building envelope specialists are both useful contacts to help determine local area requirements and if new-to-market products are acceptable. Wood shingle or shake roofing used to be a common roof covering in the United States. You can find our trusted team of skilled roofing professionals, with nearly two decades of combined industry experience, at our business location in Onalaska, Wisconsin. Other geometric discontinuities may have increased pressures as well, especially those at greater height on the structure. In moderate hail zones, recover of an existing roof is often not permitted (please refer to the jurisdiction having authority). Most will be somewhere in between nonetheless and the decision may require an expert. Single-ply roofing Take a look at the average lifespan for each type of roof: Asphalt shingles: 15-30 years Composite shingles: 20-30 years Metal roofs: 40-70 years Cedar shakes: 30-50 years Tile roofing: 50-100 years Solar panels: 30 years Topic #2 - Identifying Roof Damage Variations in wind loads with wind exposure category are incorporated in ASCE 7 as part of the velocity pressure exposure coefficients. Risk category is a categorization of buildings/structures based on the occupancy and use of the building and risk associated with protection of the occupants. Local building officials also have discretion in determining product approvals and their use, and in authorizing variances.Note: Ask to see approved variances in writing, as some parties will claim they are allowed but do not have tangible proof. Protecting Your Big Investment Is Siding a Good Investment? Parsippany, NJ 07054. Our mission here at Rapid Restore is to provide a worry-free, refreshingly easy, world-class roof installation experience for our customers in Long Island, NY. Maintenance and engineering managers who decide to remove and replace a facility's existing roof face a daunting series of challenges. Manufacturer of the metal roof system shall provide complete shop drawings in If your contractor ever asks you to obtain the necessary permits for a roof installation run. OR Stapled with ____" Class A, B, and C assemblies and coverings are those that are effective against severe, moderate, and light fire text exposures, respectively. at ends and intermediate supports of each deck unit and 6" O.C. How to Prepare Your Home for Weather Extremes, DDA: Suburban Wildfire Adaptation | December 8-10, 2020. In the highest wind areas, the fastener spacing within 4 feet of gable ends is reduced to a 4-inch maximum in some standards and/or the fastener size is increased to 10d. Alliance's team of experts have Specified more than 15 Million Sq. 1.5 Cold Climate. This includes structural components such as roof sheathing or rafters, or roof cover components and the connections of these elements. It's made up of wood chips/strips compressed together to form a flat 7/16" sheet. Such systems can be composed of special barriers, fences, cleats, guards, cables, beams or other approved devices. Please report broken links or other issues to Simon Kellogg (skellogg@ibhs.org). METAL ROOF REPLACEMENT - SEALED BID - DO NOT OPEN." Contract documents may be obtained at the office of Professional Roof Services, 9 Fairview Avenue, Middletown, DE 19709 (please phone ahead to (302) 376-5220 to . . II, and III of the roof specifications: Part IGeneral. We will help you identify the roofing system best suited for your building. The use of thermal insulation in roofs or roof assemblies must be evaluated in conjunction with the type of roof system. %PDF-1.3 % Thus this should be verified with the local jurisdiction for the building of interest. Modern day wood shingles are treated with fire retardant, and are making a comeback due to their beautiful look, durability and high-wind resistance. So, you need to prepare your yard to deal with falling debris. We are nationally recognized and are experts in all things roofing. Commercial Recommended GAF Certified Roofing Companies Near You. . Even so, we can provide you with a solid estimate of roofing costs by material based on national averages. Design wind speeds are much higher along coastal areas of the hurricane-prone regions, but are much lower over the majority of the U.S. The IRC uses Exposure B as the default wind exposure category, while the IBC uses Exposure C as the default wind exposure category. SPECIFICATIONS FOR PEABODY HALL ROOF REPLACEMENT Oxford Campus PREPARED FOR: MIAMI UNIVERSITY OXFORD, OHIO PREPARED BY: . Do you know if you have the right one for you? For More Information: Consequently, it is important to know which code (if any) was adopted and enforced when the building was permitted. . Our focus is on making sure you end up with the roofing system you need. For the purposes of roofing, cold climates are those in which ice dams form and snow retention may be needed. Other sizes include the 12-gauge nail, which is 1/2 inch in diameter and 1-1/2 inches long, and the 13-gauge nail, which is 9/16 . Roof coverings and assemblies must be capable of resisting the required wind loads for the location in which the building is located. Central Sales Office: (630) 296-1980 or (800) 847-0841. 1.3 Wind Building codes generally divide roofs into three zones: perimeter, corner, and field (i.e., areas away from discontinuities). Design wind speeds for particular buildings are determined from maps included in the locally adopted and enforced building codes. Whether your roof replacement will take one day or three, it will be very disruptive to your children and pets. 540 South Dupont Highway, Suite 1! Roof design wind pressures are determined using the wind speeds at the mean roof height of the building (i.e., average of the eave and ridge heights). Heres what you need to do: Replacing roof shingles is a long, loud job. The IBC allows non-classified roof coverings to be used on Residential Group R-3 (see IBC Section 310.5) and Group U (see IBC Section 312) buildings such as agricultural buildings, barns, carports, if the separation between the leading edges of the adjacent roofs is less than 6 feet unless otherwise required by local requirements, such as the International Wildland Urban Interface Code. Felt roofing creates durable built up roofing systems using bituminous felts. Owens Corning Roofing: Shingles & Accessories for Homeowners and . specifications involving extra costs will be charged accordingly. 0000017588 00000 n Minimum roof fire-resistance ratings apply based on the type of construction, and some building types do not require a fire rating. Wicomico County Board of Education Specifications Page 6 Glen Avenue Elementary School . There are three major categories of roofing shingles including strip roofing shingles, dimensional roofing shingles and premium roofing shingles. Compliance with test standards is verified by independent testing laboratories, and confirmation of compliance is typically noted on package labeling or direct product labeling. Phone Numbers: Main Number: (973) 628-3000. Replacing roof shingles involves a whole lot of nailing, directly into the structure of your home. Effects of the variation of wind speed with height on roof design pressures are included in the velocity pressure exposure coefficient, Kz. When it comes to getting the quality installation you need for your roof, few tools will help you more than roof specifications written by independentexperts. Every good roofing company or contractor should possess these traits: If you are looking for a company that possesses these qualities, knows roofs like the back of their hand, and can offer premium-level service with a guarantee to match, reach out to First American today! Most commonly, these modifications are made to the IRC, IECC, and the IgCC, and sometimes to the IBC. It is important to know the building code that is adopted in the jurisdiction having authority. RICOWI, IBHS, and the participating roofing industry organizations expressly state that they have no liability, in negligence, tort, or otherwise, with respect to the use of any of the information and/or practices described in this article. The sidelap should be not less than one third the width of the tile, typically 55mm. IBHS translates science into action to inform the insurance industry, prevent avoidable suffering, strengthen our homes and businesses, and support thriving communities. 0000001000 00000 n Look out for long turnaround times or teams that agree to work on your home without ever inspecting it in person. 1. Metal: When you want a roof built for the Midwestern climate, metal roofing is the choice for you. Consequently, it is always wise to check local requirements and modifications to the model codes with the authority having jurisdiction if observed conditions or practices differ from manufacturer or industry recommendations. Thats a good indicator that theyre not properly licensed and likely dont have the knowledge, skills, or experience to provide you with quality workmanship. For some roof assemblies in cold climates, ice may form along eaves, which may impede the drainage of meltwater from higher up on the roof surface. Nail the starter strips up 3" to 4" (76mm to 102mm) from the roof edges or eaves. Don't overlap more than that or the un-supported shingle edges are likely to curl and break over time. Minor things like cutting the grass, taking down your mirrors and bringing the children to Grandmas house can make a big difference. Note: Not all jurisdictions will allow the installation of a new roof covering over an existing roof covering. Equations for wind loads on roof systems are based on several variables, including: ASCE 7 provides the procedures needed to calculate design wind pressures for the components and systems outlined above. 1.2 Hail conditioned) attic spaces, the 2015 IRC Section R806 and IBC Section 1203 have specific requirements. Therefore, the larger the roof, the more it will cost to replace it. Shingle: Roof shingles are the most popular choice for homes in the Midwest, and we offer a variety of different color, textured, and style of shingles. Building code plus a building envelope specialist should be consulted in the design and specification of attic ventilation. Installation specs for visible finish work often contain quality standards as well (see also Quality Standard . E. Source Limitations: Obtain all primary components of roof system from a single manufacturer. Roofing Project Specifications Underground Utilities Meter Shop Roof Replacement 1821 N. 21st Ave. Hollywood, FL City of Hollywood Department of Public Utilities Engineering and Construction Services 1621 N. 14th Avenue Hollywood, FL 33020 THIS DOCUMENT MUST REMAIN INTACT . Many manufacturers limit the use of the Ice barrier to 24 inches maximum from the exterior wall line, or require special ventilation if the ice barrier extends inward for more than 24 inches. (2) For example, urban areas (Exposure B). In a cold climate, snow may remain on roofs and ice dams may occur where temperatures stay below 32F (0C) for several days and nights. Depending upon the roof's existing state, spray foam might result in energy savings that exceed its cost. Our spec and bid documents are designed to help you find the best contractor for the job. 1.01 Description of Work: In this section, the roofing company should provide information re: labor, material, and equipment necessary to complete the job. Otherwise, it may help you prepare for your roof replacement to learn more about your roof and how it is supposed to function. How to identify roof storm damage or general wear , How to determine if you need minor repairs or a full replacement , Common mistakes to avoid when you replace your roof , How to find the best roofing contractor to complete the job . 07 52 20 - MODIFIED ROOF REPLACEMENT SPECIFICATION & DETAILS 126 pages . The exposure category may vary for a certain building depending on the terrain in a given upwind direction. 1. With the obtained bids, you can start evaluating the contractors based on price points, experience, and reputation. Don't delay until after the winter or storm season. For More Information: 0000017666 00000 n Count on our over 30 years of commercial . See so much to think about! Thereare some modern products that appear to be useful. Inspection Services; Property Inspection & Analysis; The specification and drawings, now complete, are sent to the bidders and a pre-bid meeting is conducted. They must replace a complex system efficiently, deliver a finished project that provides long-term benefits and, perhaps most importantly, do it all cost-effectively. Glen Avenue Elementary School / Roof Replacement . An engineered snow retention system should hold snow or ice on steep slope or slippery roofs. Home; Who We Are; Company History; Inspection Services. The ATC snow load website provides users with location-specific ground snow loads: snowload.atcouncil.org. Any additional roof insulation costs and increased installation complexity will increase your total labor charges. The legacy codes 1 may have been used for the design and construction of many older existing buildings prior to their merging and formation of the ICC in 2000. The user assumes the sole risk of making use of the information provided in this manual. As we already mentioned, but cant continue to emphasize enough, make sure youre working with a trusted roofing company or contractor to complete the re-roof correctly.
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