Plywood was introduced by the construction industry in the late 1950s and plywood of high grade started using highly. Pitches of less than 2/12 are considered flat The term is a generalization of decks as found on ships. Each of these materials has different benefits and draw backs, however, the most commonly used type of roof decking is wood. In roof deck, it is often bonded with a steel liner to create a waterproof and thermally efficient layer. Types of Roof Decking. Your email address will not be published. Low-slope roofs traditionally have been constructed with an … Aluminium deck has a minimum thickness of 0.9mm while steel can afford to be slightly thinner at 0.7mm. In addition, building codes can make some uses of AAC impractical. The vast bulk of wooden roof deck is supplied as pre-formed sheets although timber boarding is used during re-roofing work. Required fields are marked *. The roof deck can be of several types depending on individual choices; it can be a metal deck roof or can be a Your email address will not be published. Whether you prefer the look of stone or wood, there is likely a type of vinyl surface that will suit your style and your space. In addition, it is a lot cheaper and economical as compared to plywood. The same can be said for your roof decking as well. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Pressure treated wood will be protected against insects and it will not swell, split or wrap if maintain properly. ( Log Out / Wooden planks should be within 8” in its width otherwise it may warp. Also known as sheathing, roof decking requires strong texture that can easily support snow and shingles and weight of workers involved in construction. Generally speaking, there are three different types of roof decking to keep in mind: tongue and groove, plywood or OSB sheathing, and plank sheathing. Keep it up and waiting for more like this. Type A decking is 1-1/2” deep and 36” wide. The last one is none other but our main topic in this article. Metal decking is well-appreciated decking option due to its longevity, durability and availability of different colors and sizes. When conventional roof decking is composed of lumber that is about 1” inch thick, modern decking is composed of various varieties of wood and other decking materials. Pitches lower than 4/12 have a slight angle, and they are defined as low-slope roofs. Most roof decking is made from plywood or a plywood composite known as Oriented Strand Board (OSB). 1-by-6 or 2-by-8 boards are ancient roof decking options that were usually formed in tongue-and-groove joints. It is specifically composed with the blend of wax, wood strands and adhesive and these all materials are heat pressed altogether in order to make a sheet. Previous options for roof decks were pretty drab in flat greys, whites, and beige. It can last over 30 years when maintained adequately, and it will cost y… 1-by-6 or 2-by-8 boards are ancient roof decking options that were usually formed in tongue-and-groove joints. ( Log Out / DIFFERENT TYPES OF ROOF DECKING There are many types of materials that can be used for roof decking, some of which are ideal for certain types of residential roofing systems . Oriented strand board (OSB) Made up of multiple layers of wood strands compressed at odd angles to each other and bound with water-resistant adhesives. Plank Plank roof decking, consisting of 2-inch (and thicker) tongue-and-groove 3-4 It is also water, insect and mould-resistant and provides excellent soundproofing but though tough is not quite as durable as concrete. Although the roof deck is obviously important in terms of load bearing capabilities, it also influences everything from the roof’s thermal properties, waterproofing and performance when subjected to high winds. Types of Wood Decking Decking Outdoor The Basics 1 Comment 3 Decks are subjected to the elements, foot traffic, pets and other animals, plus the weight of any items that may be stored there, so they must be strong and durable. Cementitious wood fibre deck combines the properties of timber and cement including workability, ease of installation and acoustic control. Metal Change ), You are commenting using your Google account. Roof decking comes in at least five different types. ( Log Out / Click on the associated links for our comprehensive guides, … So, you should cover all the edges carefully. Commercial buildings are widely constructed with concrete decking. Contact Us Find a Contractor/Distributor About Us Find a Location Products Roof … Each of these materials has different benefits and draw backs, however, the most commonly used type of roof decking is wood. So you can save a lot by choosing OSB in place of plywood. ROOF DECKING In this section, we’ll discuss the two most common types of roof decking you will encounter as a Builder: plank and wood fiber. ( Log Out / 4 Common Structural Roof Deck Materials Roof deck can be constructed from many different types of material but the four most common are metal, concrete, wood and PIR (together with combinations of the above such as Metal Gypsum – precast or poured-in-place. Made from a mixture of cement, fine aggregates and an expansion agent, autoclaved aerated concrete (AAC) provides a lightweight, flexible and workable material with the strength and fire resistance of concrete but at around a quarter of the weight. Plywood, while a bit more expensive than OSB, is much denser and provides greater protection against moisture. Cast concrete is a material used to make roof decking. This will also affect the type of fasteners you need. But it may prone to develop shingles and rafters and it is not so resistant to water damage. It really helped me a lot. The metal is profiled, usually in a trapezoidal pattern, with its thickness, spacing, acoustic perforation and finish chosen to fit the span and load capabilities of the roof it is supporting. On sheds and old barns, you would find these planks below roofing materials of wood shingles and they are not suitable to household roofing especially where rain is most common problem because they are not so resistant to water. Roof Decking Options You Should Consider in All Scenarios, Roof decking is applied by builders to make a surface that is smooth for your foot and that can accept shakes, shingles and roof felt and different materials for finishing. One thought on “ The Ultimate Decking Guide: Types of Decking & How To Pick The Right One ” Jay April 23, 2018 at 7:40 pm I never thought about how things like sliding could affect how I plan out and make my deck! Metal decking has two primary uses: structural metal roof deck and composite floor deck. However, regardless of the manufacturer, the composite deck will be 1.5”, 2”, and 3” in depth. Neither metal generally exceeds 1.2mm in thickness. The basic roof decks commonly used with commercial membrane roofing systems are: Steel – light-gauge, cold-rolled sections, welded or screwed to bar joists (see FIG 1) Wood sheathing – sawed lumber, plywood or OSB (oriented strand board) Concrete – poured-in-place or precast. These types of decking are generally constructed out of plastic as well as wood fiber and can also be stained in order to change its look. However, you should make some accommodations in order to control the condensation that can accumulate on roofing’s underside. Luckily, today’s printing technology allows you a variety of choice so you can create an enjoyable outdoor living space. I found it informative , although I have a different opinion on some of the things you wrote. CSM Metal Deck stocks and manufactures B, BI, BV, and BIV types of roof deck in 22, 20, 18, and 16 gauge. Metal Roof decking types available at Keystar include A-deck. This is just a brief introduction to the four most common types of roof deck you are likely to come across. Oriented Strand Board (OSB) has been one of the most common roof deck types since the late 1970s. Timber Roof Deck Image Copyright: krakatuk / 123RF Stock Photo. This is the material that your roofing shingles are nailed to. Roof deck materials to ensure a stable roof surface 04/10/2016 - 15:43 Providing a solid roof starts at the base: a roof deck suitable for the nailing and installation of shingles. Common Roof Pitches The most commonly used roof pitches fall in a range between 4/12 and 9/12. The framing of your roof holds the decking up, but in a sense, the decking is your roof. The trouble with these types of decking is that they are not very resistant to slips or stains AAC panels are joined to one another with a thinset mortar. This is also an energy-saving solution that is widely recommended to make an eco-friendly building. Type A roof deck is a 1 ½” deep structural steel roof deck that supports various types of roofing materials. Roof deck can be constructed from many different types of material but the four most common are metal, concrete, wood and PIR (together with combinations of the above such as cementitious wood and reinforced concrete). The trade names and manufacturers of the composite floor deck will vary depending on where your project is located. It is recommended that this decking material shall be protected with a lumber preservative to reduce shrinkage, every year so it will last longer. Explore them here. Oriented Strand Board (Wood) Decks OSB sheathing is also becoming a popular choice for roof decking thanks to its low cost and increased strength. Your roofing supply merchant will have more specific details about the best type of deck for your specific project. When it comes to the strength, cast concrete is used in home structures. Roof decking is of utmost importance because the entire functionality of the roofing system depends on its foundation. Concrete roof deck can either be pre-cast offsite and lifted into place with cranes (the quickest option) or poured while on site. Also known as narrow rib decking, A deck usually serves as a patch material for reroofing projects since more economical types of roof deck are now available. Roofs are considered low-slope roofs up to 3:12 pitch. It’s perfect for both applications because it has a high strength-to … Those include the plank, step, plywood, oriented strand board (OSB), and tongue and groove boards. The 3 main types of roof decking material are concrete, wood, and steel.