Composite shingles, while ideal as a roofing material, must be treated with utmost care during installation to prevent the cracking of their cores. One of the factors that deters many homeowners from installing a slate roof is the high cost of materials and labor. Quality Slate for Your Slate Roof. Every slate 1 tile should have a hole drilled through it to nail it to the roof. If necessary, look at some of the nuances that may be pertinent to your installation such as cleats on aprons, cleats on ridges, and soldering, to name a few. See our, Read a limited number of articles each month, You consent to the use of cookies and tracking by us and third parties to provide you with personalized ads, Unlimited access to washingtonpost.com on any device, Unlimited access to all Washington Post apps, No on-site advertising or third-party ad tracking. The installation requirements of synthetic slate are not as challenging as real slate, but they can still spell difficulty. Understand headlap. Standard thickness roofing slates (3/16 inch TO 1/4 inch) that have drilled HOLES without counter-sinking are sub-standard slates. 3) Before you start - do your homework. 4) Have the correct tools. There is no excuse for anyone to install a slate roof today without knowing the basic information, which is all here right at anyone's fingertips. Graduated Length Slate Roofs- The practice of installing slates of varying lengths and widths on a roof came from the days when some quarries produced slate on an “as available” basis rather than in specified lengths and widths. By clicking “I agree” below, you consent to the use by us and our third-party partners of cookies and data gathered from your use of our platforms. You can use hot-dipped galvanized roofing nails too, especially when installing recycled salvaged slates. Do not chalk on the slates themselves. Post them on our. It is expensive to install compared to other roofs. Small slates take longer to install. The average slate roof weighs in between 800 – 1,500 pounds per square (100 square feet). Slate Roof Installation. Jenkins, Inc. By clicking “I agree” below, you consent to the use by us and our third-party partners of cookies and data gathered from your use of our platforms. Read about how to install starter courses. 15) Use good nails. Joseph Call: 416-724-4666 See our Privacy Policy and Third Party Partners to learn more about the use of data and your rights. It may be used for decorative purposes only when installed on solid sheathing, provided a complete built-up roofing system is installed and the assembly is … Find contractors now. Slate Roof Installation – Installing an Open Valley. Some homes were created with the promise of a slate roof in mind. In order to install a slate roof, your home must have the structural support necessary, which sometimes requires additional reinforcement. 13) Use good flashing material. Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair & installation of slate roofs. can also vary somewhat. Slate The cost of a slate roof tile installation can run on average between $12,000 and $24,000 for an average size home – depending on the location of the home and the pitch of the roof. The Some manufacturers have poor quality control. above illustration shows basic installation details for a Stage the roof properly. Call us now ☎ +1 (336) 627-5596. Contractor Furthermore, the weight of slate often requires extra structural support to the home or building. The association, which started in 1922 and was reformed in 2002, spans quarriers, contractors, architects, consultants, and distributors with a connection to natural slate. This content is currently not available in your region. 1) Construct the roof properly. 18 Steps to a Successful Slate Roof Installation. Use roof jacks and planks. This website is provided by Joseph Jenkins, Inc., The Slate Roof Experts. As a traditional, natural roofing material, slate provides beauty, high fire resistance, versatility and strength. On the roof edge, a starter strip will be put in before installing the slate tiles. Standard thickness domestic or Canadian slates with punched nail holes from a reputable manufacturer are usually a good bet. is variable in thickness according to the thickness of the DaVinci Slate delivers on that promise with its astonishing versatility. Board! You can use 16 ounce copper on ridges, step flashings and chimney flashings, although 20 ounce is better. Roof pitch – The angle of a roof not only determines what slates to use, but the amount of overlap … Slate Roofing Cost Breakdown. 18) Know how to repair the roof. No aluminum drip edges (as are commonly used on asphalt shingle roofs) are needed on slate roofs.When measuring for the starter slate and the first row, allow for the slate to hang beyond the drip Please enable cookies on your web browser in order to continue. 17) If you're using a contract document, make sure it is thorough and detailed. Info rich hub site! The underlayment will keep out the water until the slates and flashings are installed and it makes a good surface on which to chalk lines. Do not "eyeball" the courses. We use cookies and other technologies to customize your experience, perform analytics and deliver personalized advertising on our sites, apps and newsletters and across the Internet based on your interests. Roofing Tools Before beginning, your contractor will determine the center point on the ridge of your roof. Roofing Magazine. This means you need to do your homework and understand the differences between slates. Slating nails shall not be driven in so far as to produce an excessive strain on the slates and shall instead be driven to a depth such that the nail heads lie within the counter-sunk nail hole and do not rub excessively against the overlying slates. The first step to installing an open valley is to cleat your valley metal in. Size, thickness, type and quality of manufacture are very important. Here is a sample contract as a PDF - as a Word file. Read this important article about starter courses. Lack of headlap will condemn an entire roof. The Solar Slate Plate was designed by slate roofing specialists, who know how to work with stone safely. SLATE ROOF INSTALLATION GUIDE 1) Construct the roof properly. There Assume all elements of the roof assembly must last and function for at least 150 years. 8) Get your headlaps and sidelaps right. Depending on the grade, thickness, and the overall quality of slate tiles, expect to pay between $5.00 and $12.00 per square foot for materials alone.With the installation, your total cost will be between $12.00 and $25.00 per square foot installed. Call us at 814-786-9085, M-F, 9-5, Eastern time, USA. Dominic of ACG roofing installing slate at the University of Pennsylvania. Greater Instructional videos. Use the underlayment to keep out the water until the roof is installed. Gable edge projection and drip edge projection DaVinci Slate delivers the highest levels of beauty without the typical challenges of a natural slate roof. Directory 7) Blend the slates. The Durable Slate Company provides slate roof repair, installation, and restoration services world-wide. 5) Don't rely on underlayment to keep your roof water tight. cant strip). ... Single-width tiles reduce material and speed up installation time without compromising style. Joseph Jenkins — Joseph Jenkins, Inc. A slate roof increases your home’s aesthetic appeal and value. Get in touch with us for a fascinating collection of roof slates. Roofing Magazine A slate roof is among the best roofs to have. Some drill their slates, some punch them, some cull out bad slates, some don't. Copper flashings or stainless steel are best. traditional, standard-thickness slate roof. Start from the bottom of the roof and work your way up, staggering the joints between courses by a minimum of 1½ inches. Underlayment should always be installed UNDER the slates, NEVER on top. Thick slates are harder to cut and may require more experience. questions? Read more about nail holes. Your price will be on the lower end if you use recycled slates or reinstall your own. Labor costs to install a slate roof can range from $600 to $1,500 per roofing square. 10) Chalk your courses on the roof deck. Video Clips Install every course of slates along a permanent (red) chalk line chalked on the surface of the roof that marks the top edge of the slates. The new European data protection law requires us to inform you of the following before you use our website: We use cookies and other technologies to customize your experience, perform analytics and deliver personalized advertising on our sites, apps and newsletters and across the Internet based on your interests. To install slate roof tiles correctly, you’ll need to stagger each course so the proper headlap (which should be at least 3 inches for moisture protection) is established. in the Slate Roof Bible, 3rd Edition (or download the e-book) or go to Traditional Slate Roof 30# felt is traditional, but a double layer (half-lap) is better today as the older felts were a better quality than today's felts. Shingles: Install as indicated and in compliance with details and recommendations as published in the North Country Slate: Slate Roofs: Design and Installation Manual – 2010 Edition – National Slate Association. The broad variety of synthetic slate shingles on the market can actually be seen as a disadvantag… Read about the common mistakes people make when installing slate roofs. The cost of materials for a slate roof accounts not only for the quality of the material itself but for the labor that has to be done by hand to acquire and prepare it, which includes cutting the slate into slabs and drilling holes that make installation easier. A slate roof is known as one of the highest quality, long lasting roof materials on the market. Traditional and eventually wear holes in them. A slate roof can cost from $12 to $40 per square foot, according to websites and roofers I consulted. 16) If you're hiring a contractor - get a good one. 1. Measure to see if an extra wide slate or “slate-and-a-half” is required to avoid nailing into any valley flashing. In addition, traditionally-installed slate can be heavy, requiring expensive structural modifications to be made to the roof system. The cant strip Steps to Install an Open Valley. Here is another example of incorrect headlap. Headlap is also variable. You will lose your headlap if you do not follow this bit of advice. All material herein © 1998-2020 Joseph Jenkins Incorporated, all rights reserved. The mission of the National Slate Association is to establish a material and installation standard for, and promotion of, natural roofing slate in North America. There is a lot to think about. Some manufacturers may do the drilling for you if you provide specifications, but be prepared to pay extra. Have Our inventory of new and re-used slates is comprised of thousands of slate and tile in every color and size imaginable. The square footage of a house is usually equivalent to the roof's square footage. Slate The complete guide for installation of slate roofs is available to download here. INSTALLATION When laying out a roof in preparation for slating it, chalk lines across the entire roof area marking the top edge of every row of slate. Asphalt shingles have a total cost around $200 per square. Make sure your starter course has enough headlap. Underlayment - Decking For roofs less than 3:12 pitch: Slate/Select is not designed for roof slopes under 3:12. 3) Before you start - do your homework. Others fade badly. Installing a slate roof costs more than other roofing products because it weighs 800 to 1,500 pounds per square, making it difficult for workers to handle. If you're concerned about ice-damming, increase the headlap along the eaves. Call: 416-724-4666 The cost of slate roofs has inspired manufacturing of high-quality products that look like slate. Saddle ridges, Boston hips, mitered hips and copper hips or ridges, are all good. 14) Use a good ridge and hip system. You should have a few slate hooks available to use for repairing the roof. Understand headlap. Traditionally-installed slate roofing has typically been out-of-reach for most property owners, as the installation is often slow and expensive. Read about the common mistakes people make when installing… Their size will vary with the length, width, and exposure of the slate and the slope (s) of the adjoining roofs. Use copper or stainless steel roofing nails. We rely on readers like you to uphold a free press. Price and color are NOT good criteria to go by. It will wear out. slates being installed (thicker slates require a thicker Assume all elements of the roof assembly must last and function for at least 150 years. Because slate is a natural stone, it is naturally very heavy. After installation, the nail heads will rub against the overlying slates Traditional Slate Roof Installation We always recommend that a professional slate roofing contractor install a traditional slate roof. If using slates from several pallets, blend them on the roof by taking them from all pallets at once. The demand for solar installation on solar roofs has been so great that an innovative new solar installation system has been invented. 2) Select the correct slates. Use minimum 20 ounce copper on valleys and built-in-gutters. headlap (for example, 4 or 5 inches) may be preferred when the roof slope Here is an illustration of correct headlap and of incorrect headlap. Sheet lead is also a good flashing material. Download the above diagrams as a PDF file (requires Adobe Acrobat). 11) Lay your starter slates back side up. Hardcover: 374 pages; Publisher: Joseph Jenkins, Inc.; 3rd edition (June 21, 2016); Language: English; ISBN-10: 0964425823; ISBN-13: 978-0964425828; Product Dimensions: 8.5 x 1 x 11 inches ; Shipping Weight: 4.3 pounds, Go to Our Slate Roof Message Board l Slate Roof Videos, Slate Roof Source Lists l Installing Slate Roofs l Repairing Slate Roofs. Thes… damming conditions are prevalent. Articles online! America's best source! Some slates leach pyrites and stain the roof. Post them on our Traditional Roofing Message Find it here. Foreign slates can be a real gamble. is much more information about installing slate roofs 9) Do not walk on the slates during installation. Spell out everything - headlap; type of slates including size, thickness, origin, color, and shape; gauge and length of nails; type and gauge of flashings; type of cant; etc., etc. 6) Get the starter course right. questions? Do not leave any details to guesswork. The underlayment is temporary - NOT permanent. I guarantee that if the contractor is not familiar with everything on this page, he should not be installing a slate roof. The biggest drawbacks lie in the nature of the faux-slate surface in the case of laminated asphalt shingles and in the nature of the cores of composite shingles. The reason for such a wide pricing range is that installation/labor costs c… Read about drip edges and cant strips. From SlateRoofWarehouse.com: This is a new, traditional slate roof installation at the Natural Building Colloquium in Bath, NY, July, 2008. If your slate roof depends on the underlayment to keep out the water, it is a faulty roof, incorrectly installed. The starter course should be laid back side facing up to allow the edge bevel to merge flush with the edge bevel of the first course (which is laid back side facing down, as are all other slates on the roof, except the starter course). In this video we look at the process of slating a house in line with current Irish Building Regulations. This means using a roof deck material with a known and proven longevity of a century and a half, which includes solid lumber at least 3/4 inch thick and some other decking materials such as nailable concrete and gypsum. This led to the roofing contractor sorting the slate on site and installing the longest and widest slates at the eaves (where they carried the most water) and “graduating” several … Slate Roofing Contractor Serving Newton, Brookline, Wellesley, and Nearby in MA Complete repair and installation services for slate roofs. You will at least need a slate cutter, slate ripper and slate hammer. The worst ridge is when you just run your field slates to the top and leave them with exposed nail heads and sealant along the apex and nothing else. So one hard or soft slate for each square foot of your house times $1,500 will be total cost of a new slate roof. is lower (4:12 to 6:12) or along eaves when ice Slate roofs do not require underlayment. Double shingles at eaves and cornice line. Take a look at common contractor errors. Get Slate Roof Installation for your home. Joseph Jenkins, Inc., 143 Forest Lane, Grove City, PA 16127 USA; Ph: 814-786-9085 - Fax: 814-786-8209 There are a lot of good foreign slates too, but finding a reliable source of them can be difficult. 12) Do not over-nail or under-nail the slates. Roof Links Slate roofs are arguably the finest roofs in the world — beautiful, natural, and long lasting. Since slate roofing is a natural material, there can be large variations in quality and color, sometimes even with tiles sourced from the same pit. Watch some video clips. Whether it is a simple slate repair, restoration, or a complete new roof installation of your building, we perform all work in strict accordance with the 1927 National Slate Association Standards. Avoid any laminated or glued roof decking products. This is why a counter-sunk nail hole is important, rather than a drilled nail hole. Thicker slates are OK to be drilled as there is usually room between them for a nail head. It adds to the energy efficiency of the building because the batten system holds the slate away from the roof allowing natural ventilation under the slate keeping the roof … Have A Nu-lok slate roof installation is a highly sustainable approach to roofing as it not only uses natural slate with S1 longevity, it uses less of it. Install a cant - either a wooden one, a copper one, or use another method, but get it in there. Do not use electro-galvanized nails. Find local contractors to Install or Replace Natural Slate Roofing. Like any facet of the construction industry, however, installations of slate roofs benefit from experience, knowledge and practice. The cleats accommodate thermal movement in the valley flashing, to prevent stress cracks. The three most important parts of a quality slate roof installation are having quality materials, the right contractor for the job, and knowing the in's and out's of slate roofing yourself. HomeAdvisor will connect you with prescreened and customer-rated contractors in your area You also agree to our Terms of Service. Call now! Click Here for a Sample Slate Roof Installation Contract, General Installation Guidelines for Installing Roofing Slate, General Architectural Standards for Installing Roofing Slate, Spanish Language Slate Roofing Installation Guidelines. Closed Valley Installation in Detail Valley flashings may be rectangular, diamond or v-shaped. You will probably break some slates during the installation and you could lose a slate or two after the roof has been installed due to damage to the slates during installation. We have worked with many professionals over the years and we are ready to assist with product, technique and technical issues that may arise.

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