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