Acrylic coatings can be installed over any flat or slopped roofing surface including EPDM, TPO, PVC, and metal. Combining the best elements of fibreglass with the versatility of overlay systems, no other flat roof solution performs at this level across so many applications. It consists of multiple modified bitumen membranes, applied with a propane torch. No new Flashings around Pipes, HVAC units, or gaskets between Trims. There is a major difference between a metal roof coating being used to create a membrane vs. having a membrane or new metal panel already made and having it installed over the existing metal roof. Metal roof coatings largely fail to solve the 3 of the Top 5 reasons why . Overlays are typically designed for TPO and PVC single ply membranes. This will help prevent condensation within the new roofing system. Other points to consider when proposing to overlay: Waterproofing to the upstands and details should generally always be stripped and replaced. Thermoplastic means that it becomes plastic upon heating and hardens upon cooling, and this is how it seals at the seams. Suitable for complex shapes, the material is cut to suit the roof and, again, no heat is required! Both metal roof retrofit options are long term solutions to put an end to roof leaks and a great alternatives to metal roof coatings. Heat-welded seams provide superior strength. For further assistance please contact IKO Polymeric's Technical Team. Not all roofs are suitable for an overlay system and only some roofing materials are able to be used as an overlay. 0151 476 8719 07938 101 153 Get a quote Guaranteed. First, a little bit about the membrane. A roof overlay system could be worth considering for any type of existing roof. This helps to reduce heat loss, and improve acoustic performance in metal roofs. There are two primary metal roof overlay systems on the market today: 1. a metal over metal roof overlay and 2. a TPO over metal roof overlay. Great for aged, but structurally-intact sloped roofing systems, metal overlays create a fantastic defense against harsh weather conditions. Consider geography, budget and use for the roof to determine . Guaranteed for 50 Years. flat roof overlay Another great alternative to a full roof replacement is the installation of a roof overlay. A flat roof that had been over-coated with a liquid based system which itself is breaking down, A bonded overlay would not be suitable although with some preparatory works a mechanically fastened overlay system might be an option. Ultraflex High performance, liquid roofing system A liquid applied modified polyurethane roofing system for all types of flat roofing applications including: New roofs, repair or overlay of existing roofs, waterproofing of walkways, balconies, box & valley gutters Details Shop SRS Pro Coat Single component aliphatic waterproofing acrylic resin . A flat or low-incline roof overlay system is constructed over an existing roof structure to provide a much-enhanced barrier to the elements. The patented properties used in the EverSeal System are virtually immune from breaking down, deteriorating, or degrading. . membrane. On the market today there is a wide range of flat roofing systems with life expectancies between 5-years (Cheap system) to 40years + (More expensive system). 2. TPO's long-term heat, UV, and natural fungal resistance, plus flexibility without need for plasticizers also make TPO a reliable low-slope roofing system. Bauder Liquid systems can be used to overlay almost all types of roof membrane and synthetic single ply can also be used for refurbishment applications in some circumstances. This system helps keep out cold air and moisture. A hot air welder is used to heat the membrane above and below, turning it to plastic and making it moldable. These roofs can be expensive to tear off and dispose of, so for years roofers have been overlaying with "recovery" insulation board and single - ply roof systems such as TPO membrane, E.P.D.M., modified bitumen membrane, and P.V.C. Those include: Inner Drains The inner drain is just as the name implies It sits away from the edge of the roof towards the roof's center. Flat roof overlays are less expensive than a full roof replacement and. A flat roof refurbishment using a liquid overlay involves covering the current roofing material with a liquid waterproofing system. In addition we can provide assistance with roof condition surveys and give impartial advice on the options that would be available. What We Do Our Safety Roofing Services Benefits New flat roof overlay system. Next, the Bowie contractor will put an overlay board in place. This acts as a support surface to . For 50 years, our sealants will be free of defects meeting the same physical properties as the time they were first manufactured. Flat Roof Recovering or Overlay Option This option is limited to having only one existing roof in place, and the existing insulation is required to be DRY and in good condition. Ethylene Polypropylene Diene Monomer (EPDM) is a resilient single ply membrane formulated primarily from propylene and ethylene. We are a team of experienced roofers with over 20 years in the trade and specialists in flat roofing solutions for homes and businesses. Learn more Insulation Metal Roof Insulation Metal roof insulation typically sits between layers of metal roofing. No-seam coating keeps leaks at bay. The Duro Last roofing system is a great product for recovers and overlays and by overlaying an existing flat roof, the building owner is able to save the cost and disruption of a full tear off.. The products with a shorter life expectancy would not be suitable for an overlay especially is adhering to as they breakdown quickly shorter term products break down quickly. Flat Roof Coatings. A warm roof consists of warm flat roof insulation and is an airtight construction, without any gaps. On pitched roofs, overlaying old sheets with new ones is common, though sheet metals and composite panels are other options. Step 3: Install the overlay board. These roof systems will last about 20 years and then you tear both roof layers off and start over. It's environmentally-friendly and easy to work with. From there, the flat roof system you choose will determine the materials you apply. 2. Our flat roof insulation benefits are as follows: Vacuum Insulation Panels with an insulating performance up to five times better than other commonly available insulation materials Can be used with most green roof systems Easy to handle and install Compare Flat Roof Insulation Products Discover More Talk to Us What can we help you with? Test to see if it compatible with the old roof 3,811 views Apr 27, 2019 26 Dislike Share Steve Roofer 19.9K subscribers If your flat roof has failed and you need to. The Flexitec 2020 System by Res-Tec is a flexible, single resin GRP system with full overlay and new deck capabilities. The Cure It flat roof materials come with a 20-year guarantee. For more information regarding the use of liquid applied waterproofing systems as an overlay to an existing roof please refer to the LRWA Code of Practice for Roofs which is available to download. Our teams are experienced with GACO and Hydro-stop coating systems. Roofing Overlay Systems in Detail Roofing Overlay Systems - The Benefits Seamless Tough flexible membranes Easy to install Simple detailing Core sample which revealed insulation was a tapered scheme; vapour control layer was damp. Why do Building Owners Choose Metal Roof Retrofits? The laminate is applied over a securely fixed Oriented Strand Board 3 (OSB3) 18mm tongue and groove (T&G) deck, while the perimeter is finished with Cure It trims. A common motive for a flat roof overlay system is to create a surface safe for footfall or roof installations (HVAC, solar panels, telecoms.) Be Smart About What You Put Over Your Head. Flat roofs can reach a point at which more repair isnt going to stop the leaks and a flat roof overlay is a great option. They are notched to fit over top of your existing metal roofing profile and are installed directly on the existing purling. At the average cost of $4.00 to $7.50 per square foot installed, this liquid roof product delivers solid value for the money. Flexitec 2020 GRP Roof System Features: Overlay & Replacement Reroofing. They also require less maintenance than other commercial roofs. This can mean making far fewer changes to the underlying structure of a roof whilst getting a huge improvement in insulation, drainage and appearance. A flat roof that had been over-coated with a liquid based system which itself is breaking down, A bonded overlay would not be suitable although with some preparatory works a mechanically fastened overlay system might be an option. Membrane. An overlay like this can be applied to a variety of flat roof types. This obviously saves money as it removes the cost of removing the existing roof before a new roof is applied. Since corrugated and standing seam metal roofs last up to 60 years, these overlays provide a more long-term solution that other materials. Underneath the basics, flat roofs are usually constructed with a ceiling, nailed to joists which support a deck (usually wood in residential construction), a vapor barrier, insulation and a roof board. 01. Flat roof overlay systems About Roof Overlay Systems Roof overlay systems are built on top of an existing roof (after some preparation work) to provide a new insulative layer and a weatherproof outer protection. The Roof Hugger metal roof overlay system is sub-purling usually made from 16 gauge steel in 10-12 Ft lengths. TPO stands for Thermoplastic Polyolefin. Roof overlay systems are built on top of an existing roof (after some preparation work) to provide a new insulative layer and a weatherproof outer protection. Sometimes called a "rubber roof," EPDM roofs can offer long-term coverage of 50 years or more with proper maintenance. . Smart Roofing Systems, Inc. (707) 495-4036. steve@smartroofingsystems.net. There are three types of drainage systems for flat roofs. Once installed, a fully adhered EPDM roofing system is highly flexible and remarkably versatile in . E: polymeric.technical.uk@iko.com Torch down roofing is a popular type of flat roof system. Insulation may be used over the roof hugger to add insulation to a building but the cavity can also be left open. Short for thermoplastic polyolefin, TPO is a single-ply roofing membrane that offers excellent performance at a cost-effective price. IKO Polymeric has a range of membranes that are lightweight and would be ideal for an overlay option. A roof with an inner drain is slightly dimpled so that gravity feeds water on the roof directly to the drain.
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