Figure 2 original dutch lap slates on the mansions convex mansard roof. Lightweight, hardwearing and long lasting, welsh slate was the most common victorian roof covering. When replacement is necessary, details contributing to the appearance of the roof should be retained. The repair, replacement and maintenance of historic slate. Aug 14, 2017 flat roof construction manual materials design applications. Architects, consultants, slate installers and designers rave about this book. English building construction records the death of a. Our photo above left shows a typical modern stone roof design. Slate roofs can, and should be, maintained and repaired to effectively extend their serviceable lives. Slates fixed in accordance with the details given in this guide will have adequate resistance to. By downloading and using any arcat cad content you agree to the following license agreement. Stepped flashing is used where a sloped roof meets a masonry wall. Detailed guidance on wind load calculations is given in bs 5534.
Wcd1 details for conventional wood frame construction. Slate roofs are a critical design feature of many historic buildings that cannot be duplicated using substitute materials. Effective design of a slate roof must take into account. Everything you need to know about the worlds finest roof is especially recommended to the attention of architects, roofers, slate roof owners, architectural consultants, architectural history buffs, and anyone involved with the roofing industry. Architectural drawings accurately illustrate flashing and roof layout.
Slate roofs can last a very long time if taken care of properly. Install clips at right angles to the rake of the valley and twice nail into the clipping batten using the 30mm nails. All new nsa members receive one free copy of the awardwinning slate roofs. The iko roofing residential cad details below are complete drawings that can easily be downloaded, customized for your residential or commercial project, and included in your cad library for future use. Owner shall be advised to remove any valuable items from the attic space andor to cover such. Roof flashing details index fd01 interior roof drain detail fd02 interior drain with gravel stop detail fd03 scupper roof drain detail fd04 gutter roof drain detail fd05 rooftop equipment curb. The manufacturers listed above are not available at all locations. Roofing design and fixing guide riba product selector. Retain and repair roof detailing wherever possible. Yet this is one of the principal areas where ventilation could readily take place, particularly in traditionally detailed tiled or slated roofs.
Natural roofing slate design and fixing guide ssq slate. The objective was to update the manual to ensure an industrywide consensus on cur rent good practices and to inform and instruct the profession while developing a better public understanding of the art and applied science of slate roofing. North country slate roofing contains a pleasing variation in shade, veining, texture and grain. Flat roof construction manual materials design applications. Understand roof systems learn all about roofing systems. Iko roofing residential asphalt shingles cad details. Download this free 2d cad block of a slate roof mansard detail including annotations and dimensions.
Recommendations for proper builtin gutter design and detailing will be made, including a discussion of the stresses imposed upon builtin gutter liners under thermal load, seam selection, rivet selection and spacing, expansion joints, and layout. Slating a roof can be quite a daunting task, its one of those things that appear very easy until you look into it in a bit more detail, then all of a sudden it can become very complicated. Real handsplit quarried slate, an ingenious installation system, an affordable price. The installation of a slate roof involves a number of aspects that must be.
The configuration, massing, and style of historic slate roofs are important design elements that should be preserved. Flat roof a flat roof is defined by having a roof pitch below 1. On the other hand, the high cost, difficult installation, and relative fragility of slate roofing tile means its not ideal for everybody. The roof extends over the gable wall to give a suitable overhang.
We can put their fears to rest and educate them about all the benefits of owning a historic slate roof. Obtain advice from a structural engineer if you are worried that the structure of a roof might be unstable. Figure 4 detail drawing of the dutch lap method as shown in the first edition of. This frame consists of the last two rafters joined together by. Slate roof repair, restoration, and maintenance guidelines. A very low slope will mean a hitech roof, and a high slope a lowtech roof. It is essential that the positioning and detailing. Common misconceptions concerning gutter design, having to do with metal temper. We offer competitive bids on superior products and installation including full turnkey operations. Roof construction standard traditionalroof framing is sufficient to handle the weight of standard thickness slates, which are 316 to 14 inch thick. Classic rib steel roof panel in burnished slate branding from a designers perspective. Significance of the roof return to top a weathertight roof is basic in the preservation of a structure, regardless of its age, size, or design.
Use of rolled roofing material for open valley construction. It can pinpoint detailing issues that could pose a problem during the. The first approach to achieving a strong, durable struc. Typical metal open valley flashing with underlayment. Regular repair is the best way to eke out the currently limited resource of scottish slate and ensure that existing roof coverings will remain watertight and continue to perform well. Effective design of a slate roof must take into account a number of interrelated factors including site. How to inspect, evaluate the condition of slate roofs how much slate roof life is remaining, and when is a slate roof beyond economical repair a guide to the types, colors, and durability of different types of roofing slates a guide to slate roof installation and flashing where to buy slate for roofs, where to buy slate roofing tools standards, specifications. Exceptionally well written, illustrated, organized and presented, the slate roof bible. To understand this principle, let us start with one of the most lowtech roofing systems. Detail slate and tile specializes in slate, tile, shakes, standing seam metal and copper applications. A typical occurrence is where a brick chimney rises above a roof.
When the slate roof system is treated as a whole, the problems at the interface of mem brane, metal, and shingles are reduced. Cad details document name pdf dwg download all cad construction details 37. Top 1o roof shingles for building construction roofing with shingles is considered to be a large investment which varies depending on the roofing area and the type of roof shingle chosen. Hire roofing contractors who have proven experience in working with slate roofs and can show you local examples of their work. Visit our branch locator to see what products are available at a location near you. In addition a second hand welsh slate has a typical value of 60% of a new slate. This autocad drawing can be used in your roof detail cad drawings. In addition to roofing slate, also manufacture flooring, paving, cladding, walling. The gothic style was popularized for use on churches in the 19th century. Traditional roof construction includes stick built or timberframed styles with board sheathing decking.
Dust and dirt may infiltrate into the attic space during installation or removal of roofing slate. Slate roof evaluations and design considerations iibec. I bought one of the original old journals on ebay the other day. Alternate solutions to slate roofing problems are provided. Construction materials will differ depending on the pitch of the roof. The repair, replacement and maintenance of historic slate roofs. Slate roofing contractors association, slate roof repair, restoration, and maintenance guidelines. If you mean how to tile a roof with concrete or clay tiles click the link provided how to install a slate roof. This is often not noticed during construction and eventually. However, slate shingles are intended to be hung by the shank of the rooing nail, which allows for some movement figure 1. See more ideas about flat roof, flat roof construction and roof architecture. Bs en 12326 ensures that all roofing slates sold in the uk are tested in the. The appearance is now considered to be traditional and should be conserved fig. Pan and cover tile roof ridge detail with underlayment felt and ridge.
Understanding different types of roofing shingles available in the market and their rates help to choose an economical shingle for the building roof. This author evaluates many slate roof projects on historically significant structures. Obviously, the larger slates will cover a roof relatively quickly, but the smaller slates can sometimes be bought quite inexpensive. Jul 27, 20 this guide to roof construction, spread into four parts, provides the basic information on flat and pitched roofs needed to understand what a roofing company is talking about, to help those unfamiliar with roof construction. In the system that allows a building to work as a shelter, the roof sheds the rain, shades from the sun, and buffers the weather. The need for roofs to breathe the building conservation. Counter flashing details with cement mortarsealed joints.
Natural stone masonry in modern scottish construction. Failure is usually due to the nail fixings becoming corroded, causing the slates to slip, although with age slates can eventually start to absorb water and become soft. The details shown concentrate on such chimney flashings, but apply to other wall conditions. To achieve this is a simple frame called a ladder frame is constructed. Important 4 this booklet is a guide to the correct detailing and fixing of lead sheet flashings, weatherings and gutter linings. Traditional roofing magazine top 10 mistakes made when. Our manufacturers cad drawings are purged to keep the files clean of. Calder lead sheet and flashing conforms to the new european standard.
Hurricane katrina, loss of mechanical equipment caused the majority of water damage that was observed in several buildings. Repairing scottish slate roofs dunbar conservation area. While the buildings considered in this guide are primarily singlefamily. Flat stones are quarried and cut into scalloped, diamond, rectangular, and other. The truslate system from gaf can make your dream of owning a genuine slate roof a reality. The group has leading regional market positions in the. Slate roof mansard cad detail cadblocksfree cad blocks free. Care and preservation of slate roofs hoffmann architects. Here you can find instructions for installing a slate roof, repairing and restoring slate roofs, and repairing asbestos roofs and ceramic tile roofs. Typically, someone has already told them that no one works on slate anymore or that the roof needs to be removed.
Natural roofing slate design and fixing guide ssq 44pg for pdfing 1 1. Slate roof evaluations and design considerations gale associates. Slate roofs in the construction industry with footer. Roof framing in this chapter, we will introduce you to the fundamentals of roof design and construction. When slate is fastened too tightly, the underside of the slate may crack and even punch out the back of the slate shingle. Slate roof central how to install a traditional american slate roof slate roof central is your center hub for all things related to natural quarried slate roofing. Slate roofs and the construction industry engr 411 concordia university 4 1880s through world war 1. Flat roof coverings 22 window flashings 23 contents note. Roof structures roofs 12section module 3 sheet 10 verge details and ladder frame the construction of the verge of a gable roof is shown below. Institutional buildings, including city halls, libraries, schools and universities, chose masonry construction with durable slate roof systems. In addition, several types of historic detailing were often employed to add visual interest to the roof essentially elevating the roof to the level of an ornamental architectural element. Closed mitered valley with interwoven metal valley flashing shown with flat tile or slate roofing. And below we see how the roofer sealed the stone roof at the buildings gableends. The result of this longevity is that welsh slate is a very cost effective roofing material as it is less costly to maintain and has a lower frequency of reroofing.
It had an article about slate roof repair that i wanted to add to my collection of slate roofing materials. Call evergreen to order these invaluable installation support materials. No other product can duplicate these natural characteristics, and the specification of north country slate products on fine homes and historic buildings across the continent is a testament to their durability and beauty. Roof systems can also fail if roofmounted equipment is damaged or dislodged by high winds. Lead roof roof flashing roof detail slate roof construction nice. Technical preservation guidelines april 2009 historic building rooing caroline alderson introduction one of the features that commonly distinguishes historic public buildings from other historic structures is the quality of the rooing. Through our network of branches and dedicated slate teams in scotland, siga slate supports you and sets the benchmark for natural slate by which others follow. There are also different levels of maintenance provided. Part 1 itself covers an overview of flat and pitched roofs. Here you can find instructions for installing a slate roof, repairing and restoring slate roofs, and repairing asbestos roofs and ceramic tile.
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