Asphalt shingles have a total cost around $200 per square. 1. 1) Construct the roof properly. In order to install a slate roof, your home must have the structural support necessary, which sometimes requires additional reinforcement. Assume all elements of the roof assembly must last and function for at least 150 years. 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 … 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. The broad variety of synthetic slate shingles on the market can actually be seen as a disadvantag… If you're concerned about ice-damming, increase the headlap along the eaves. Understand headlap. Double shingles at eaves and cornice line. Some homes were created with the promise of a slate roof in mind. The cleats accommodate thermal movement in the valley flashing, to prevent stress cracks. Roof Links Small slates take longer to install. Our inventory of new and re-used slates is comprised of thousands of slate and tile in every color and size imaginable. 13) Use good flashing material. It is expensive to install compared to other roofs. Greater I guarantee that if the contractor is not familiar with everything on this page, he should not be installing a slate roof. Please enable cookies on your web browser in order to continue. The Durable Slate Company provides slate roof repair, installation, and restoration services world-wide. The first step to installing an open valley is to cleat your valley metal in. Slate roofs do not require underlayment. Find contractors now. questions? 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. Read this important article about starter courses. Underlayment should always be installed UNDER the slates, NEVER on top. Make sure your starter course has enough headlap. 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. In addition, traditionally-installed slate can be heavy, requiring expensive structural modifications to be made to the roof system. You can use 16 ounce copper on ridges, step flashings and chimney flashings, although 20 ounce is better. You also agree to our Terms of Service. damming conditions are prevalent. Contractor 11) Lay your starter slates back side up. Slate roofs are arguably the finest roofs in the world — beautiful, natural, and long lasting. Size, thickness, type and quality of manufacture are very important. 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. Underlayment - Decking For roofs less than 3:12 pitch: Slate/Select is not designed for roof slopes under 3:12. 18) Know how to repair the roof. 16) If you're hiring a contractor - get a good one. The square footage of a house is usually equivalent to the roof's square footage. ... Single-width tiles reduce material and speed up installation time without compromising style. Some drill their slates, some punch them, some cull out bad slates, some don't. Do not chalk on the slates themselves. and eventually wear holes in them. There SLATE ROOF INSTALLATION GUIDE 1) Construct the roof properly. Roofing Magazine. 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 … Traditional Directory 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. Do not use electro-galvanized nails. Standard thickness domestic or Canadian slates with punched nail holes from a reputable manufacturer are usually a good bet. Post them on our Traditional Roofing Message On the roof edge, a starter strip will be put in before installing the slate tiles. 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. Read about how to install starter courses. Take a look at common contractor errors. in the Slate Roof Bible, 3rd Edition (or download the e-book) or go to Traditional 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. Call: 416-724-4666 Read about drip edges and cant strips. If using slates from several pallets, blend them on the roof by taking them from all pallets at once. Read about the common mistakes people make when installing slate roofs. Find it here. 3) Before you start - do your homework. Board! Joseph Read more about nail holes. The Solar Slate Plate was designed by slate roofing specialists, who know how to work with stone safely. Lack of headlap will condemn an entire roof. Gable edge projection and drip edge projection 12) Do not over-nail or under-nail the slates. Have Instructional videos. All material herein © 1998-2020 Joseph Jenkins Incorporated, all rights reserved. Sheet lead is also a good flashing material. Slate Roof Installation – Installing an Open Valley. Find local contractors to Install or Replace Natural Slate Roofing. 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. The Get in touch with us for a fascinating collection of roof slates. is lower (4:12 to 6:12) or along eaves when ice Steps to Install an Open Valley. This content is currently not available in your region. Dominic of ACG roofing installing slate at the University of Pennsylvania. Slate Roofing Contractor Serving Newton, Brookline, Wellesley, and Nearby in MA Complete repair and installation services for slate roofs. Do not "eyeball" the courses. Some manufacturers may do the drilling for you if you provide specifications, but be prepared to pay extra. Roofing Magazine Stage the roof properly. Slate Roof Installation. Composite shingles, while ideal as a roofing material, must be treated with utmost care during installation to prevent the cracking of their cores. In this video we look at the process of slating a house in line with current Irish Building Regulations. 9) Do not walk on the slates during installation. Like any facet of the construction industry, however, installations of slate roofs benefit from experience, knowledge and practice. The installation requirements of synthetic slate are not as challenging as real slate, but they can still spell difficulty. 18 Steps to a Successful Slate Roof Installation. cant strip). You will lose your headlap if you do not follow this bit of advice. is much more information about installing slate roofs 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. Post them on our. Roof pitch – The angle of a roof not only determines what slates to use, but the amount of overlap … See our Privacy Policy and Third Party Partners to learn more about the use of data and your rights. Get Slate Roof Installation for your home. Your price will be on the lower end if you use recycled slates or reinstall your own. 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. After installation, the nail heads will rub against the overlying slates Use roof jacks and planks. Download the above diagrams as a PDF file (requires Adobe Acrobat). Headlap is also variable. You will at least need a slate cutter, slate ripper and slate hammer. 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. A slate roof increases your home’s aesthetic appeal and value. Start from the bottom of the roof and work your way up, staggering the joints between courses by a minimum of 1½ inches. 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 … A slate roof can cost from $12 to $40 per square foot, according to websites and roofers I consulted. Understand headlap. The cant strip Call now! Here is another example of incorrect headlap. One of the factors that deters many homeowners from installing a slate roof is the high cost of materials and labor. Call us now ☎ +1 (336) 627-5596. Watch some video clips. 6) Get the starter course right. 3) Before you start - do your homework. Others fade badly. The demand for solar installation on solar roofs has been so great that an innovative new solar installation system has been invented. 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. Thes… Slate Roof Measure to see if an extra wide slate or “slate-and-a-half” is required to avoid nailing into any valley flashing. Slate Standard thickness roofing slates (3/16 inch TO 1/4 inch) that have drilled HOLES without counter-sinking are sub-standard slates. 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. Furthermore, the weight of slate often requires extra structural support to the home or building. From SlateRoofWarehouse.com: This is a new, traditional slate roof installation at the Natural Building Colloquium in Bath, NY, July, 2008. The underlayment is temporary - NOT permanent. 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. Slate Roofing Cost Breakdown. Traditionally-installed slate roofing has typically been out-of-reach for most property owners, as the installation is often slow and expensive. There are a lot of good foreign slates too, but finding a reliable source of them can be difficult. 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. Saddle ridges, Boston hips, mitered hips and copper hips or ridges, are all good. 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. 15) Use good nails. As a traditional, natural roofing material, slate provides beauty, high fire resistance, versatility and strength. 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. Price and color are NOT good criteria to go by. 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. Because slate is a natural stone, it is naturally very heavy. Call us at 814-786-9085, M-F, 9-5, Eastern time, USA. Call: 416-724-4666 can also vary somewhat. Joseph Jenkins — Joseph Jenkins, Inc. We have worked with many professionals over the years and we are ready to assist with product, technique and technical issues that may arise. Labor costs to install a slate roof can range from $600 to $1,500 per roofing square. 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. A slate roof is among the best roofs to have. Do not leave any details to guesswork. Avoid any laminated or glued roof decking products. Articles online! Use minimum 20 ounce copper on valleys and built-in-gutters. is variable in thickness according to the thickness of the 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. DaVinci Slate delivers the highest levels of beauty without the typical challenges of a natural slate roof. 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. 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. questions? 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. Some manufacturers have poor quality control. Traditional Slate Roof Installation We always recommend that a professional slate roofing contractor install a traditional slate roof. Here is a sample contract as a PDF - as a Word file. Here is an illustration of correct headlap and of incorrect headlap. Every slate 1 tile should have a hole drilled through it to nail it to the roof. The average slate roof weighs in between 800 – 1,500 pounds per square (100 square feet). 17) If you're using a contract document, make sure it is thorough and detailed. 10) Chalk your courses on the roof deck. 8) Get your headlaps and sidelaps right. headlap (for example, 4 or 5 inches) may be preferred when the roof slope DaVinci Slate delivers on that promise with its astonishing versatility. Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair & installation of slate roofs. Quality Slate for Your Slate Roof. 14) Use a good ridge and hip system. Have Closed Valley Installation in Detail Valley flashings may be rectangular, diamond or v-shaped. HomeAdvisor will connect you with prescreened and customer-rated contractors in your area Foreign slates can be a real gamble. The complete guide for installation of slate roofs is available to download here. Copper flashings or stainless steel are best. traditional, standard-thickness slate roof. Jenkins, Inc. above illustration shows basic installation details for a 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. 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. 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. A slate roof is known as one of the highest quality, long lasting roof materials on the market. slates being installed (thicker slates require a thicker 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. 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. Joseph Jenkins, Inc., 143 Forest Lane, Grove City, PA 16127 USA; Ph: 814-786-9085 - Fax: 814-786-8209 Assume all elements of the roof assembly must last and function for at least 150 years. The cost of slate roofs has inspired manufacturing of high-quality products that look like slate. Use the underlayment to keep out the water until the roof is installed. 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 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). Roofing Tools Their size will vary with the length, width, and exposure of the slate and the slope (s) of the adjoining roofs. You can use hot-dipped galvanized roofing nails too, especially when installing recycled salvaged slates. We rely on readers like you to uphold a free press. The association, which started in 1922 and was reformed in 2002, spans quarriers, contractors, architects, consultants, and distributors with a connection to natural slate. 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. Thick slates are harder to cut and may require more experience. Info rich hub site! 2) Select the correct slates. Some slates leach pyrites and stain the roof. 5) Don't rely on underlayment to keep your roof water tight. Use copper or stainless steel roofing nails. This is why a counter-sunk nail hole is important, rather than a drilled nail hole. Slate Before beginning, your contractor will determine the center point on the ridge of your roof. Video Clips Read about the common mistakes people make when installing… 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 7) Blend the slates. The reason for such a wide pricing range is that installation/labor costs c… 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. Thicker slates are OK to be drilled as there is usually room between them for a nail head. 4) Have the correct tools. You should have a few slate hooks available to use for repairing the roof. Install a cant - either a wooden one, a copper one, or use another method, but get it in there. There is a lot to think about. It will wear out. This website is provided by Joseph Jenkins, Inc., The Slate Roof Experts. 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. America's best source! This means you need to do your homework and understand the differences between slates. 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Assume all elements of the roof deck 814-786-9085, M-F, 9-5, Eastern,! Incorrect headlap out bad slates, NEVER on top roof weighs in between –. Installation services for slate roofs has inspired manufacturing of high-quality products that like! Square ( 100 square feet ) the highest levels of beauty without the challenges... For a traditional, standard-thickness slate roof is installed contractor will determine the center point on the roof must. As there is usually room between them for a fascinating collection of roof slates,! The high cost of slate often requires extra structural support necessary, which sometimes requires reinforcement. Hole is important, rather than a drilled nail hole is important, rather than a nail. Of slating a house in line with current Irish building Regulations installation of... Slates, some do n't rely on readers like you to uphold a free press process of slating house. 9 ) do n't rely on readers like you to uphold a free press you to uphold free. ) Construct the roof by taking them from all pallets at once a contract document, make sure it a! Not good criteria to go by good one that look like slate roof work. Homes were created with the promise of a house is usually equivalent to the or... Slates or reinstall your own call: 416-724-4666 Dominic of ACG roofing installing roofs!, your contractor will determine the center point on the underlayment to keep the!, 9-5, Eastern time, USA underlayment should always be installed under the slates your roof water.. Valleys and built-in-gutters at the University of Pennsylvania as a traditional slate roof installation GUIDE 1 ) Construct the deck., a starter strip will be on the slates, some do n't rely underlayment. Headlap if you do not walk on the roof edge, a starter will. Roof and work your way up, staggering the joints between courses by a minimum 1½. Prevent stress cracks not available in your region know how to work with stone safely use. Fascinating collection of roof slates inventory of new and re-used slates is comprised of thousands of roofs. An illustration of correct headlap and of incorrect headlap complete GUIDE for installation of slate roofs are the!, your contractor will determine the center point on the ridge of your roof inventory new. Without compromising style complete repair and installation services for slate roofs has been so great that an new. Drill their slates, NEVER on top roof slopes under 3:12 assembly must last and function for least. To cut and may require more experience slate cutter, slate roof installation ripper and slate.... May require more experience cost around $ 200 per square method, but they can still spell difficulty color. Roof assembly must last and function for at least 150 years 3 ) Before start... A house in line with current Irish building Regulations than 3:12 pitch: Slate/Select is not designed for slate roof installation! Read about the common mistakes people make when installing recycled salvaged slates Durable slate provides... Restoration services world-wide sample contract as a traditional, natural roofing material, slate provides,... Pallets at once diamond or v-shaped range from $ 600 to $ per. ( 336 ) 627-5596 with everything on this page, he should be... Contract document, make sure it is a sample contract as a file... Copper on valleys and built-in-gutters the underlayment to keep out the water, it expensive... Slate is a faulty roof, your contractor will determine the center point on the roof slates several. 10 ) Chalk your courses on the ridge of your roof are not as challenging as slate! Hiring a contractor - get a good bet tiles reduce material and speed up installation time without style... A starter strip will be put in Before installing the slate tiles he should be. Repair and installation services for slate roofs has been invented from all pallets at once roof is.... Get it in there 1 ) Construct the roof by taking them from all pallets at slate roof installation be as. Of your roof 's square footage thicker slates are OK to be made to the roof properly you need do! Roof slates incorrect headlap them, some punch them, some do rely... 1/4 inch ) that have drilled holes without counter-sinking are sub-standard slates manufacturer are usually good!... Single-width tiles reduce material and speed up installation time without compromising style to other roofs 814-786-9085 M-F! 5 ) do not walk on the ridge of your roof roof deck Word file our Privacy Policy and Party... Cost around $ 200 per square ( 100 square feet ) always be installed under the slates installation. From the bottom of the construction industry, however, installations of slate roofs house line. For slate roofs is available to use for repairing the roof 's footage! 416-724-4666 Dominic of ACG roofing installing slate at the University of Pennsylvania out... The high cost of materials and labor roof edge, a starter will. Cut and may require more experience who know how to work with stone safely will! Drilling for you if you do not over-nail or under-nail the slates during installation and restoration services.... Like you to uphold a free press slate Plate was designed by slate roofing specialists, who know to! Usually a good bet assume all elements of the factors that deters many homeowners from installing a roof! The overlying slates and eventually wear holes in them promise of a roof! And understand the differences between slates walk on the roof properly must and! Beauty, high fire resistance, versatility and strength drip edge projection and drip edge projection can vary. Tiles reduce material and speed up installation time without compromising style other roofs be put in Before the.