Since it has an R-value of 6.5 per inch of thickness, spray foam will lower your energy bills throughout the course of the roof. The equation and parameters used to calculate Kz are based on measurements of winds at various elevations in extra-tropical frontal system winds. 1.2 Hail Because the builder is asking for EPDM specs, this section would include EPDM roofing system specs and the method of adhering as well as insulation information. B. Protecting Your Big Investment Is Siding a Good Investment? This includes structural components such as roof sheathing or rafters, or roof cover components and the connections of these elements. Building code plus a building envelope specialist should be consulted in the design and specification of attic ventilation. Intake and exhaust vents are the preferred method of attic ventilation. OSB (oriented strand board) is the most common type of decking used on roofs today. If you opt for cheaper roofing materials, the odds are not in your favor for avoiding future repairs. Find out exactly what you should expect for the big day. However, older buildings have been built to a variety of building codes or in some cases to no building code. 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. 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 . Code requirements change periodically as building codes are updated. If your home needs roof repair. Consult a roofer to obtain an inspection and identify your . Some local building codes establish a threshold that requires the roof structure to be evaluated for conformance with the latest building code provisions when more than a certain percentage of the roof is being replaced or if remodeling exceeds a certain threshold. This website uses cookies so that we can provide you with the best user experience possible. Proper ventilation is also important for performance in cold climates, and the ability to shed or retain snow must also be considered. Home. Projects that are competitivelybid with a specification that includes the same scope of work and materials will save you time, money, and headaches in the future. The roof system and the building must be designed to resist loads from retained snow. For damaged areas larger than " repair with Ruftac or 5-course with Henry reinforcing fabric and Mastic. Class A roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks. Roofing assemblies and roof coverings are rated as Class A, B, and C or may be non-classified, all of which is based on their effectiveness against fire exposures. The Unified Facilities Guide Specifications (UFGS) are published only in electronic format and are intended to be used with SpecsIntact software. 0000002227 00000 n The ATC snow load website provides users with location-specific ground snow loads: snowload.atcouncil.org. You might require a roof replacement if your home's roof is nearing the end of its lifespan. Like building codes, standards are also updated on a regular basis. Installers should follow code requirements, energy standards, and manufacturers guidelines for the use of insulation in an approved roofing assembly, as they may differ across industries and product types. Check back often to see the most up-to-date edition of the guide. The first step in the roof replacement process is to inspect your current roofing system tounderstand what you have and what is needed. Modern day wood shingles are treated with fire retardant, and are making a comeback due to their beautiful look, durability and high-wind resistance. Metal: When you want a roof built for the Midwestern climate, metal roofing is the choice for you. When you choose a responsible roofing company, theyll do almost all of the work, from prepping your old roof for removal to cleaning up after the job is done. Southeast Sales Office: (813) 829-8880. IRC or IBC) focus on weather protection, structural performance, roofing materials, and installation. Choose a simple roof design that is less likely to trap embers. 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. Otherwise, it may help you prepare for your roof replacement to learn more about your roof and how it is supposed to function. WTI and WTC can assist with these maintenance issues by providing dedicated, professional crews to handle them for you, at . Home; Who We Are; Company History; Inspection Services. Special attention should be given as to how attics are ventilated, as these areas are subject to water vapor migration and the development of excessive temperatures which may affect the performance and durability of the roof coverings. See the FEMA Snow Load Safety Guide. Metal Roofing Systems Performance Guide Specification January, 2012 . Testing of panel uplift resistance following Hurricane Andrew led to significant changes in prescriptive roof sheathing nailing requirements throughout much of the U.S. As a result, most nailing patterns in high-wind areas require 8d nails at a maximum of 6-inch spacing along all framing members. Do you know if you have the right one for you? All shingles shall be installed by galv. Drip edges are L-shaped metal sheets installed at the edge of the roof to direct water away from the fascia and into the gutter. 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 . Consequently, building codes allow different approaches for determining design wind loads for these systems. Opting for the lower estimate with inexpensive labor is often a sign of inexperienced workers. In such situations, an ice barrier is required to prevent dammed meltwater from penetrating through the roof assembly and into the interior spaces. Project Name: Muskegon Community College-Roof Replacement Project Number: MCC001 SECTION 00010 ADVERTISEMENT FOR BIDS f:\projects\mcc001\projmgmt\specs\00010 advertisement for bids.doc-6/14/10 Page 1 Century A&E Notice is hereby given that Muskegon Community College will be receiving sealed single, lump sum bids for the Replacing roof shingles involves a whole lot of nailing, directly into the structure of your home. As an example, most building codes being used before Hurricane Andrew allowed roof sheathing to be attached using 6d nails spaced 6 inches along panel edges and 12 inches along intermediate members. See General Roof Repair . Roofers will be walking in your yard while they work. B. BLISTERS 1. 07 7000 - Roof and Wall Specialties 07 7100 - Roof Specialties 07 6200 - Flashings, Copings and Fascias 07 7120 - Gutters and Downspouts 07 7140 - Roof Expansion Joints 22 1435 - Roof Drains 07 7200 - Roof Accessories 07 7210 - Roof Curbs 07 7220 - Roof and Ridge Vents 23 3460 - Roof and Attic Fans 07 7230 - Roof Hatches and Smoke and Relief Vents A "4:12 roof slope" means the roof rises 4 feet for every 12 feet of horizontal roof span. The roofing system shall also meet the following physical property requirements: conditioned) attic spaces are permitted. Upon development of the AMRS, competitive pricing is secured and documentation of the proper execution of identified repairs is . Without a drip edge, water may end up beneath the shingles, causing damage to various parts of the home. Or can you get by with a simple repair? Beginning with the 1995 edition of ASCE 7, the design wind speed basis was changed to a 3-second gust wind speed, which is different than the 1-minute average speed used in the Saffir-Simpson Scale for hurricanes. 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. Wildland-Urban Interface (WUI) requirements need to be verified. The information on this website is subject to change without notice. 1.4 Fire "In wetter, harsher, more corrosive environments, galvanized finishes are more common. or 24-in. 0000001174 00000 n 1. Learn more about how your homes roof can be affected by both age and weather conditions below: Storm damage is one of the most common reasons homeowners seek out a roof replacement. Change . We are nationally recognized and are experts in all things roofing. Contact Us: 630-286-6668. Building codes also require that many products and materials comply with applicable test standards, which are referenced in building codes. Plus, they should use magnets, metal detectors or other equipment to find nails, but the only way to find shingle scraps is by visual inspection. 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. For vented and unvented (i.e. 2. Eastern Sales Office: (717) 866-8392. 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. Verify Color with Owner. The roofing system shall contain no plasticizers. 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. This is especially important because your homeowners insurance company may deny a claim if your roof was installed incorrectly. 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. Minimum requirements for roof assemblies are found in Chapter 15 of the IBC, Chapter 9 of the IRC, and Chapter 7 of the IEBC. Roof Deck Evaluation Through Wall Flashing Systems Waterproofing Sealant Joints Insulation Vapor Barriers Roof Design & Inspection, Inc. 1115 Tucker Road Dartmouth, MA 02747 (tel.) Your home can easily be damaged by weather conditions and unexpected events, including: Every roofing material has an average life expectancy as well and will last for decades with proper care and maintenance. This means that every time you visit this website you will need to enable or disable cookies again. However, due to manufacturing variances, the limitations of your monitor resolution and the variation in natural exterior lighting, actual colors may vary from the images you see. Proper installation of snow retention systems is critical to achieve the intended performance. Our focus is on making sure you end up with the roofing system you need. Use 4 screws per 8 ft. furring strip. 0000043011 00000 n Such systems can be composed of special barriers, fences, cleats, guards, cables, beams or other approved devices. SECTION TWO - 1912 BUILDI NG . A roof recover or overlay is the process of installing a new roof covering over an existing roof covering. For More Information: For buildings constructed in accordance with the IBC, the requirements are fairly complex and depend on the type of construction, use group, and rating of the wall, as well as fire separation distance between buildings and the construction of the roof assembly. These pressures can be positive or negative depending on the direction of the wind and the geometry of the building. Alliance's team of experts have Specified more than 15 Million Sq. See General Roof Repair Requirements 2. LABORATORY ROOF REPLACEMENT . Therefore, the larger the roof, the more it will cost to replace it. Thereare some modern products that appear to be useful. Typical cost for asphalt shingle roof replacement: $3.50 to $7 per square foot. For example, the State of California has requirements for certain types of roof coverings, vents, and/or openings in areas of the state prone to wildfires that fall under the WUI restrictions. Well come out to inspect your roof, provide a free quote, and work quickly to resolve your roofing issues with honesty, transparency, and integrity. (2) For example, urban areas (Exposure B). Therefore, it is more likely that the roof-to-wall connections, roof sheathing attachment and roof covers are under-designed, than is the roof structure when compared with current design loads and construction practices. Class A roof assemblies include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile, or slate installed on noncombustible decks. OR Stapled with ____" ROOF SPECIFICATION DRAWING #1 - PRSI11257DHS END OF TABLE OF CONTENTS . There are 50,000 Roofing Companies in the USA. Most other roof system requirements in the building codes (i.e. The default category applies if the site does not fit other exposure definitions. The IRC uses Exposure B as the default wind exposure category, while the IBC uses Exposure C as the default wind exposure category. See Section 603.1 of the 2015 IEBC, which requires that repairs maintain the level of existing fire protection. Steel panels shall be designed in accordance with the AISI S100. Roofers often charge per roofing square. 508-965-1793 andrew@roofdesign.biz When required, testing is in accordance with ASTM E108 or UL 790. Obtaining Competitive Bids They may get the job done, but that doesnt mean its done well. Left unrepaired, they can become major problems and lead to large capital expense. IKO manufactures products for specific areas in North America. If a complete roof replacement is needed, we design a specifications package to fit the building's needs and the owners' budget. Cookie information is stored in your browser and performs functions such as recognizing you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. 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. 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. While not all jurisdictions require a permit for roofing work, repairs or replacements will need to comply with the applicable code in effect at the time of the repairs or replacement. greater. 1.3.3 Roof Design Wind Loads. Furnish and Install new roof boots etc. Theyll park a dumpster in your driveway, and work from the opposite corner of the roof towards the dumpster. In these instances, the exposure category resulting in higher wind forces will generally be selected for design. These are the questions that homeowners want honest answers to when pursuing a roof replacement, and we want to help! Plus, old shingles, nails and other debris will fall off the roof as the roofing team removes your old roof. Where the cost to access and/or repair a roof are very high, or the risk of failure results in an excessively expensive repair due to landscaping or difficult access, it is important to make the investment in the highest quality, most durable, long-term roof system available. The wind exposure category of a building or structure is determined by the terrain and type, size and concentration of surrounding vegetation, buildings and structures immediately windward of the building/structure under consideration. at ends located in the perimeter and corner areas as . Walker Elementary School Classroom Building & Canopy Roof Replacement SPECIFICATIONS INDEX Walker Elementary School Classroom Building & Canopy Roof Replacement TOC - 2 Project Number: 15.20.05 Variations in wind loads with wind exposure category are incorporated in ASCE 7 as part of the velocity pressure exposure coefficients. We'll walk you through preparing for a roof replacement in four steps: preparing your yard, preparing your home, preparing your children or pets and what to do after your roof replacement is finished. trailer << /Size 28 /Info 10 0 R /Root 13 0 R /Prev 49791 /ID[<060ca4795e952881b8fde8114a00ad78>] >> startxref 0 %%EOF 13 0 obj << /Type /Catalog /Pages 9 0 R /Metadata 11 0 R /OpenAction [ 14 0 R /XYZ null null null ] /PageMode /UseNone /PageLabels 8 0 R >> endobj 26 0 obj << /S 50 /L 99 /Filter /FlateDecode /Length 27 0 R >> stream This is reflected in building code provisions by dividing the roof into zones and specifying different design pressure coefficients, GCp, for the various zones.
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