b'ROOF MAINTENANCE Beforeperformingaroofaudit,the Qualified roof consultants and inspectors roofconsultantorinspectorshould reviewpastinspectionreportsand Building owners often do not understand or know what comprises their roofingphotos,constructiondocuments,and investment. Roof consultants, roof inspectors, or anyone else analyzing a roofanypreviousrepairs,maintenanceor system should be thoroughly familiar with field investigations, sampling proceduresreplacementsthatmayhaveoccurred. and, if necessary, laboratory analysis and testing methods. In order to assess a roofThe consultants roof audit should include system or its application, a consultant must be aware of the conditions the roofphotos and test data in the report, so that components will encounter during construction and throughout the entire servicechanges in roof condition can be verified, life of the roof system. They should also be able to read and understand contractand a historic record of the roof condition documents such as specifications, drawings and details as well as have somemade available for future reference. knowledge in structural analysis and roof deck design. Ifmoistureinfiltrationissuspected, non-destructive investigation techniques such as infrared inspection or electronic field vector mapping should be employed todeterminetheextentofinfiltration. In some cases, destructive testing by way Without PlastiSpanof core cut tests may also be required to determine the current composition and/tapered insulation,orconditionofthedifferentroofing the only thingcomponents. Core cut tests are typically required in advance of roof replacement going down thein order to verify the roof assembly such as thickness and type of insulation, number drain is money. of plies/membranes, and overall thickness of the existing roof system. Theconsultantshouldmaintain recordsofallinspectionsandtest investigations along with any roof repairs or replacements performed. Consultants canalsomonitorsnowloadingon roofs that may exceed the usual winter accumulationandprovidestepstobe taken for safe snow removal operations to ensure the safety of roofing contractors, building employees and the public, and minimizedamagetotheroofstructure and membrane.Roof audit steps:At ground level:A review of the building exteriorPlastiSpan is used as theOur proprietary software provides ato check for items such as loose, insulation component in many roofpositive slope to drain for all typesdamagedormissingperimeter assemblies. Whether built up, singleof layouts. PlastiSpan insulationflashings/copings;continuity ply, modified bitumen or standingis listed in a number of ULC andofroofcovering;stainingor seam roofing systems, we can meetFactory Mutual roof assemblies. Withefflorescence on exterior walls; design and delivery timelines onseven manufacturing facilities acrossdamage/deterioration of fascia, projects of any scale.Canada, we have you covered. gutters and soffits; overhanging trees/vegetation, etc.reviewoftheinteriorfinishes Plasti-Fab helps create lasting communities by supplying Expanded PolystyreneA (EPS) products to construction and civil infrastructure projects. As the onlysuch as ceilings, ceiling tiles, attic/vertically-integrated EPS company in North America, we are leading the industryplenum spaces, walls and underside with solutions that are healthy for people, communities, and the planet. of the roof deck (if visible) for signs plastifab.com Helping create lasting communities. TM of water infiltration, condensation, staining, frost build-up, corrosion or structural distress.44 ROOFING CANADA SPRING/SUMMER 2022'