b'Inside OIRCAFlameless Roofing Applications By Don Marks, Executive Director, OIRCAThe following was released as an OIRCA Technical Bulletin this past July. P ropane has always been a useful fuel employed by the ICI roof- National Fire Codes prohibit the torch application of roofing mem- Designers and roofing contrac-ingindustry.Itpowersroofingkettlesandtankersaswellasbranes at combustible and flammable roof flashings and roof penetra- torsareencouragedtoconsult handheld torches for installing membranes and drying surfaces.tions, we wish to formally endorse the use of flameless materials for thewithmodifiedbitumenmem-Open flame, propane-fuelled handheld torches have seen their use in- application of these types of roofing systems. branemanufacturerstoidentify crease significantly in recent years as they are utilized to thermally fuseWe have identified roof flashings and roof penetrations as areas ofthe various flameless options they modified bitumen roofing membranes.high risk. Because of this we recommend a picture-framing approachhave available. Torch applied modified bitumen roofing systems, without a properto installing modified bitumen membranes at those locations. The specification and plan of application, pose a significant risk to buildings,picture-framing application utilizes self-adhered membranes or coldThisbulletiniscirculatedforthe their occupants, the workers who install them and the firefighting com- adhesives for the application of base sheets and cap sheets at flashingspurposeofbringingroofinginforma-munity. Open flame torch applications have resulted in a significantand roof penetrations and for a minimum of three feet into the maintion to the attention of the reader.The number of serious fires across the country. The costs associated withroof area. The option of installing an asphaltic cover board with a pre- content,opinionsandconclusions, these incidents, both personal and financial, have become prohibitive. laminated base sheet horizontally in the three-foot area, over the entireifany,arenotintendedtoprovide As we await legislative changes that would see the Ontario androof or at vertical applications is also a viable option. thereaderwithconclusivetechnical advice and the reader should not act only on the information contained in thisTechnicalBulletinwithoutseek-ingspecificprofessionalengineering orarchitecturaladvice.Neitherthe Commercial and Residential Roofing OIRCA nor any of its officers, direc-Trinity Roofing Ltd. specializes in a variety of roofing applications and tors, members or employees assumes any waterproofing for residential, commercial and institutional buildings. responsibility for any of the information Phone: 416-630-9213URL: www.trinitycanada.comcontained herein or the consequences of Fax: 416-630-1722 Email: info@trinitycanada.comany interpretation that the reader may take from such information.20ONTARIO ROOFING NEWSISSUE 2 2019 THE ONLY SOURCE FOR PROFESSIONAL ICI ROOFING CONTRACTORS IN ONTARIO ORN'