If the membrane flashing substrate cannot be specifically identified as noncombustible2, direct torching with a detail torch is permitted if 2. Help save lives, property and your hardearned name. Only product in the marketplace to offer prefabrication of the entire roofing system. Top ply contains cool roof pigments, uv stabilizers, and other components to extend the life of the membrane. Nrca changes its torching recommendations, affecting the certa program. 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. Torching membranes for roof waterproofing eabassoc. 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.
Allow the adhesive to rise and apply the roof membrane before the adhesive begins to skin over. Its critical to consider the big picture and long view when selecting a roof system. The box is directly above a basement garage which leaks. This means that anyone who installed modified bitumen membranes and operates torching equipment must be safety trained. It has a high tolerance for both the heat and the cold it will experience on the roof during the change. Application eabassoc sbs torching membranes are applied in the waterproofing of flat or pitched roofs, either as a. After aligning the membrane shall be roll again and start torching. Eabassoc sbs torch applied waterproofing membrane datasheet pdf. Eabassoc sbs torch applied waterproofing membrane datasheet pdf use and advantages of app torching membranes. Lap parasolo membrane at sides a minimum of 3 inches. 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. Torch on waterproofing membranes based on sbs rubber and app plastomer bitumen reinforced.
Torchapplied roof system safety student manual certified. Advantages of bituplus range of membranes over the others. Therefore their torching characteristics are not the same. The material used in applying a flat roof is technically known as bitumen, but more commonly known as asphalt. Automatic and manual systems are used in the roofing. Rolls of polymer modified bituminous roofing sheets. Onthejob training methods typically focus on application skills without adequately addressing safety concerns. When shutting off the torch, close the propane cylinder valve first. Torch applied roofing roof pro does not recomend this roof. Guide to torch down roofing materials, components, pros. Pros and cons of a flat roofing systems the spruce. 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, 2014 here i am torching membrane inside a planta box.
The membrane layers of a torch down roof are made of an asphalt. Modified bitumen mb torch down roofing membranes were first developed in europe in the mid1960s, introduced in the u. Method statement for roof waterproofing system project. Certified roofing torch applicator programtorchapplied roof system safety certification teaching notes 2. The end lap shall be of minimum 150mm and staggered. Waterproofing membrane installation shall be performed using cylinder fed propane gas torch, trowel to seal the seams of the membrane and knife for cutting.
Procedure for roof waterproofing using bituminous waterproofing membrane. The temporary roof specification the type and number of plies will depend on the watertight integrity required for. 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. New torchsafety guidelines professional roofing magazine. 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. Torchapplied polymermodified bitumen sheet products are addressed in the nrca roofing manual. Liberty sbs selfadhering membrane twoply application instructions spanish doc type. Atactic poly propylene app membranes sika india private ltd. Discover the various components of a torch down roof, and the materials used to manufacture it. The membrane is then placed in the correct torching on position then rerolled for about half of its length without changing its orientation. Membrane roofs are most commonly used in commercial application. Safe2torch guidance for the safe installation of torchon reinforced. Nrca is of the opinion torchapplied polymermodified bitumen sheet products can be used safely if roof decks, roof membranes.
With a pencil or chalk line, mark the desired rubber perimeter on the wall and roof edges. Terms such as cold process, cold adhesive, solventbased adhesive, cutback. The membrane layers of a torch down roof are made of an asphalt compound called bitumen that is modified with either rubber or plastic. Ecoactiv roof membrane were installed to replace the pvc single ply roof on the signature dome of maple leaf gardens in toronto. When installing torchapplied roofs, take the following. My roof is all cement, flat roof, which over time has become somewhat porous, built in 1989. Soprema sbs membrane installation guidelines rcabc roofing. O soprema 3 repair and recover roofing guide table of contents 1. 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. Roof system when your project calls for a lightweight, highly flexible membrane with superior resistance to the elements, the optimum solution is paradiene 2030.
It is not uncommon to find that bats use a roof space. Paradiene 2030 proven performance in a multiply elastomeric roof system. Roof sbsmodified bitumen sbsmodied bitumen roof systems 2. With gaco the patio roof is water tight and set for life. Stresses imposed by contemporary roof designs require that roofs have exceptional elon. 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. At that stage, the sbs modified compound is softened sufficiently to adhere aggressively.
Builtup roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Paradienes finish and base plies consist of an elas. The membrane shall be protruded at least 150 cm from the screed in. Pvc polyvinyl chloride a thermoplastic membrane, utilizing a reinforcement scrim between the two plies of equal thickness ib roof only. Performance properties of interply adhesive used with sbs. A local contractor offered a system that involves applying an asphalt substrate to the surface, then a membrane which comes in a roll, covered in an aluminum material bonded to an asphalt black laminate.
Weld parasolo fleeceback membrane side laps using approved welding equipment and in accordance with heatwelding guidelines. When your project calls for a lightweight, highly flexible membrane with superior resistance to the elements, the optimum solution is paradiene 2030. Performance properties of interply adhesives used with sbs. Pull the rubber from the shipping box and drag it across the roof.
Roof membrane available in 40, 50 and 60 mil thickness. Membrane roofs are most commonly made from synthetic rubber, thermoplastic pvc or similar material, or modified bitumen. These membranes have 2 to 4 mm thick water proof materials. Membrane roofing is a type of roofing system for buildings and tanks.
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. Eabassoc app torching membranes are high performance torchon. Apply termination tape to connect the wall and roof tapes so the entire rubber perimeter is sealed. It is used to create a watertight roof covering to protect the interior of a building. The seams of the old composite rolls are completely sealed. Let the remaining gas in the hose burn off, and then. Roll modified bitumen roofing sheets over the entire roof.
Ardex bituminous roof sealant is a one component, easyto use, uvstable sealant with bitumenbased solvents. Manual for the waterproofing of flat roofs by using. This type of membrane show excellent strength, elasticity and durability. The black being the base layer and the grey the more. 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. Continuously move the roof torch sidetoside across the underside. Its unique fi berreinforced, uniform composition gives the panel strength and water resistance through to the core. 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. 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. Some of the most common types of commercial roof systems are. On vertical constructions of a roof materials are fixed by torchon application. Plus, learn the advantages and disadvantages of a torch down roof.
Repeat this with each roll until the roof is covered, overlapping each sheet by about 3. 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. Ufgs 07 52 00 modified bituminous membrane roofing wbdg. Note that torching sbs is very different than torching app. 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. The membrane is composed of various types of modifiers, reinforcements, and surface treatments. Torch down roofs are composed of two or more layers of a modified asphalt membrane, applied with an open flame torch. Feb 04, 2020 roll modified bitumen roofing sheets over the entire roof. Thus a roof that is over 20 years old, but for which only the membranes are showing signs of fatigue can be. Bitumen roofing rolls can be large and heavy, so get help carrying them up to the roof if necessary.
Roofing safety controlling hot work hazards torchapplied roofs torch applied operations can be hazardous to roofers and the public. The key point is to make the backside of the sbs membrane just shiny. Aug 19, 2015 torch down roofing with modified bitumen. Start at 1 end of the roof and unroll the bitumen to the other end.
Torching sbs and app membranes generally the modified bitumen industry has learned that sbs cap sheets cannot be torched to a new app base. 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. This test method provides a means for comparing roof covering materials as tested according to the standard. 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. 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. 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. Certified roofing torch applicator programtorchapplied roof system safety. Sbs is an elastomer, or rubber, and app is a plastic. The main strength of this type of roofing is that it can expand and contract without melting or cracking. How to install torch down roofing with pictures wikihow.
Roofers may suffer serious burns from the torch or the hot modified bitumen they are applying. They are compatible with a wide array of deckings and. The basic difference between sbs and app is that appmodified bitumen is a plastic asphalt and. These include torchapplied roof systems over nonnailable concrete and insulated roof decks except combustible wood roof decks. Once the man torching is finished, all overlaps shall be sealed thoroughly. Roof waterproofing using bituminous waterproofing membrane. Take extra care when torching near pipes, fresh air vents, and hvac units since flame could be sucked into the bu ilding. Struckbycrushing hazards from moving equipment, overhead. 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. Ocad modified bitumenous membrane roofing ready for installation. A registered torch mechanic will have the knowledge and understanding as indicated by.
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. In fact, many of our specifications call for an sbs glass reinforced base sheet with an app granular cap. The house roof dumps tons of water on the patio roof when it rains, so it needs to withstand lots of water. Customary application techniques and methods are used in order to accommodate the various characteristics and requirements of each. Apply termination tape to the wall just below the line. The canadian roofing contractors association crca promotes safe torch practices in the workplace. Bottom ply contains pvc ingredients to provide consistent weld of top and bottom plies and. Method statement for application of water proofing membrane. Insulfoams insulation and sheathing products can be used as. Proper maintenance training is key to getting the most from your roof. Bitumen by itself is perfect for roofing, as it has good water proofing qualities. This is the roofing membrane being installed on the top of the new ocad addition.