Only product in the marketplace to offer prefabrication of the entire roofing system. This type of membrane show excellent strength, elasticity and durability. Eabassoc app torching membranes are high performance torchon. Method statement for application of water proofing membrane. Nrca recognized torching activities are and will continue to be a major part of the roofing industry, and roofing workers traditionally have been trained on torch use with onthejob techniques. Ufgs 07 52 00 modified bituminous membrane roofing wbdg.
Eabassoc sbs torching membranes are applied in the waterproofing of flat or pitched roofs, either as a single layer system or as the top layer in a built up roof. They are compatible with a wide array of deckings and. Paradienes finish and base plies consist of an elas. Customary application techniques and methods are used in order to accommodate the various characteristics and requirements of each. Discover the various components of a torch down roof, and the materials used to manufacture it. Some of the most common types of commercial roof systems are. Bituplus e is a polyester reinforced torch applied bituminous water proofing membrane, manufactured using a blend of high quality bitumen and sbs polymers for superior flexibility. With a pencil or chalk line, mark the desired rubber perimeter on the wall and roof edges. Roof waterproofing using bituminous waterproofing membrane. Rolls of polymer modified bituminous roofing sheets. When shutting off the torch, close the propane cylinder valve first.
The house roof dumps tons of water on the patio roof when it rains, so it needs to withstand lots of water. Apply termination tape to connect the wall and roof tapes so the entire rubber perimeter is sealed. Membrane roofs are most commonly used in commercial application. Reasons why torch on roofing should be banned bc opposite the rest of north america the below chart provides the latest available market share percentages for the north american commercial i. Note that torching sbs is very different than torching app. Struckbycrushing hazards from moving equipment, overhead. Performance properties of interply adhesive used with sbs. Torch down roofs are composed of two or more layers of a modified asphalt membrane, applied with an open flame torch. The key is to transfer these stresses to the roof deck. If you are considering a change from torching appmodified bitumen roof membranes to torching sbsmodified bitumen roof membranes, taking a moment to understand the differences between the two materials will be helpful.
The box is directly above a basement garage which leaks. Roof membrane available in 40, 50 and 60 mil thickness. Pros and cons of a flat roofing systems the spruce. The basic difference between sbs and app is that appmodified bitumen is a plastic asphalt and. It is not uncommon to find that bats use a roof space.
Roof covering buildup and deck slope the main variables in the e108 test method are the components of the roof covering buildup and the slope of the deck. Torching or heat welding modified bitumen roof membranes have been torched in europe for more than 30 years and in north america for more than 25 years. Paradiene 2030 proven performance in a multiply elastomeric roof system. Sika wp shield 103pm membrane is manufactured by modifying premium grade asphalt with atactic poly proplylene with specially reinforced with nonwoven polyester and slate mineral finish. Performance properties of interply adhesives used with sbs. Its critical to consider the big picture and long view when selecting a roof system.
Bitumen by itself is perfect for roofing, as it has good water proofing qualities. Start at 1 end of the roof and unroll the bitumen to the other end. The built up roof bur constructed of 3 to 5 layers of bitumen impregnated felts, layered on the roof deck with heated asphalt may be located either over or under the rigid insulation top layer of gravel ballast to protect asphaltic materials or insulation from uv rays, and to weight roofing materials against. The main strength of this type of roofing is that it can expand and contract without melting or cracking. The membrane shall be protruded at least 150 cm from the screed in. Help save lives, property and your hardearned name. Torching sbs and app membranes generally the modified bitumen industry has learned that sbs cap sheets cannot be torched to a new app base.
Apply termination tape to the wall just below the line. A registered torch mechanic will have the knowledge and understanding as indicated by. Feb 04, 2014 here i am torching membrane inside a planta box. The temporary roof specification the type and number of plies will depend on the watertight integrity required for. Terms such as cold process, cold adhesive, solventbased adhesive, cutback. It has a high tolerance for both the heat and the cold it will experience on the roof during the change. Continuously move the roof torch sidetoside across the underside.
Application eabassoc sbs torching membranes are applied in the waterproofing of flat or pitched roofs, either as a. Take extra care when torching near pipes, fresh air vents, and hvac units since flame could be sucked into the bu ilding. Nrca is of the opinion torchapplied polymermodified bitumen sheet products can be used safely if roof decks, roof membranes. Modified bitumen mb torch down roofing membranes were first developed in europe in the mid1960s, introduced in the u. Plus, learn the advantages and disadvantages of a torch down roof. When a roof is being renewed for other reasons then torching is often replaced with breathable membrane not least because most roofers do not have the skills to do torching. Let the remaining gas in the hose burn off, and then. Roofers may suffer serious burns from the torch or the hot modified bitumen they are applying. Procedure for roof waterproofing using bituminous waterproofing membrane. The material used in applying a flat roof is technically known as bitumen, but more commonly known as asphalt. The built up roof bur constructed of 3 to 5 layers of bitumen impregnated felts, layered on the roof deck with heated asphalt may be located either over or under the rigid insulation top layer of gravel ballast to protect asphaltic materials or insulation. How to install torch down roofing with pictures wikihow. Torch on waterproofing membranes based on sbs rubber and app plastomer bitumen reinforced.
Waterproofing membrane installation shall be performed using cylinder fed propane gas torch, trowel to seal the seams of the membrane and knife for cutting. Nrca is particularly concerned about the potential for fire during the installation of torchapplied membrane sheets over combustible substrates, such as wood roof decks, wood panel sheathing, wood planks and. Eabassoc sbs torch applied waterproofing membrane datasheet pdf. Eabassoc sbs torching membranes have excellent resistance to many chemical agents, humidity and microorganisms, although they are not resistant to hydrocarbons such as solvents and gasoline. Advantages of bituplus range of membranes over the others. Sbs is an elastomer, or rubber, and app is a plastic.
Insulfoams insulation and sheathing products can be used as. Its unique fi berreinforced, uniform composition gives the panel strength and water resistance through to the core. Atactic poly propylene app membranes sika india private ltd. Ardex bituminous roof sealant is a one component, easyto use, uvstable sealant with bitumenbased solvents. Repeat this with each roll until the roof is covered, overlapping each sheet by about 3. Builtup roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Proper maintenance training is key to getting the most from your roof. The seams of the old composite rolls are completely sealed. Allow the adhesive to rise and apply the roof membrane before the adhesive begins to skin over. Top ply contains cool roof pigments, uv stabilizers, and other components to extend the life of the membrane. Stresses imposed by contemporary roof designs require that roofs have exceptional elon. Durolast 50 mil membrane is manufactured with 28 mil of thickness on the top performance layer, far exceeding industry standards as well as competitor systems with equal and even greater mil values. Bats do not pose a significant threat to the building fabric or the health of the occupants and, under section 9 of the wildlife and countryside act 1981, it is an offence to intentionally damage, destroy or obstruct access to any place used by bats, even when bats are apparently absent, or to disturb bats while roosting. Feb 04, 2020 roll modified bitumen roofing sheets over the entire roof.
Torchapplied polymermodified bitumen sheet products are addressed in the nrca roofing manual. At that stage, the sbs modified compound is softened sufficiently to adhere aggressively. This test method provides a means for comparing roof covering materials as tested according to the standard. These membranes have 2 to 4 mm thick water proof materials. These include torchapplied roof systems over nonnailable concrete and insulated roof decks except combustible wood roof decks. Torch applied roofing roof pro does not recomend this roof. Torching can reach temperatures over 1093c or 2000f. The membrane layers of a torch down roof are made of an asphalt compound called bitumen that is modified with either rubber or plastic. Torchapplied roof system safety student manual certified. Nrca changes its torching recommendations, affecting the certa program. O soprema 3 repair and recover roofing guide table of contents 1. The torching on heritage roofs contributed to securing the clay tiles on roof, in the days before nibs were added to hold them on the wooden battens.
My roof is all cement, flat roof, which over time has become somewhat porous, built in 1989. When your project calls for a lightweight, highly flexible membrane with superior resistance to the elements, the optimum solution is paradiene 2030. In fact, many of our specifications call for an sbs glass reinforced base sheet with an app granular cap. Ecoactiv roof membrane were installed to replace the pvc single ply roof on the signature dome of maple leaf gardens in toronto. Weld parasolo fleeceback membrane side laps using approved welding equipment and in accordance with heatwelding guidelines. Certified roofing torch applicator programtorchapplied roof system safety. Once the man torching is finished, all overlaps shall be sealed thoroughly. Therefore their torching characteristics are not the same. If the membrane flashing substrate cannot be specifically identified as noncombustible2, direct torching with a detail torch is permitted if 2. The end lap shall be of minimum 150mm and staggered. Bottom ply contains pvc ingredients to provide consistent weld of top and bottom plies and. After aligning the membrane shall be roll again and start torching. Safe2torch guidance for the safe installation of torchon reinforced. The roof assembly chosen for this critical dallas data center included over 5,800 squares of paradiene roof membrane installed over insulcel rt lightweight insulating concrete.
Oct 30, 2018 the membrane layers of a torch down roof are made of an asphalt compound called bitumen that is modified with either rubber or plastic. Membrane roofs are most commonly made from synthetic rubber, thermoplastic pvc or similar material, or modified bitumen. Ocad modified bitumenous membrane roofing ready for installation. New torchsafety guidelines professional roofing magazine. Aug 19, 2015 torch down roofing with modified bitumen. Roof sbsmodified bitumen sbsmodied bitumen roof systems 2. The membrane is composed of various types of modifiers, reinforcements, and surface treatments. Liberty sbs selfadhering membrane twoply application instructions spanish doc type. With gaco the patio roof is water tight and set for life. This means that anyone who installed modified bitumen membranes and operates torching equipment must be safety trained. Thus a roof that is over 20 years old, but for which only the membranes are showing signs of fatigue can be. Soprema sbs membrane installation guidelines rcabc roofing. On vertical constructions of a roof materials are fixed by torchon application. It is used to create a watertight roof covering to protect the interior of a building.
This is the roofing membrane being installed on the top of the new ocad addition. Manual for the waterproofing of flat roofs by using. Method statement for roof waterproofing system project. Certified roofing torch applicator programtorchapplied roof system safety certification teaching notes 2. Bitumen roofing rolls can be large and heavy, so get help carrying them up to the roof if necessary. The key point is to make the backside of the sbs membrane just shiny. Roof system when your project calls for a lightweight, highly flexible membrane with superior resistance to the elements, the optimum solution is paradiene 2030. Onthejob training methods typically focus on application skills without adequately addressing safety concerns. Eabassoc sbs torching membranes are easily applied, either by the traditional pour and roll technique, or with cold adhesives, but especially by the flame torching method. When installing torchapplied roofs, take the following.
The canadian roofing contractors association crca promotes safe torch practices in the workplace. Roll modified bitumen roofing sheets over the entire roof. Torching membranes for roof waterproofing eabassoc. Automatic and manual systems are used in the roofing.
The membrane is then placed in the correct torching on position then rerolled for about half of its length without changing its orientation. The membrane layers of a torch down roof are made of an asphalt. Certain sbs sheet goods are specifically designed for torching and are available with patented surface treatments intended to enhance torch welding and make the products more efficient to install. Eabassoc sbs torch applied waterproofing membrane datasheet pdf use and advantages of app torching membranes.
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