ORN THE ONLY SOURCE FOR PROFESSIONAL ICI ROOFING CONTRACTORS IN ONTARIO ONTARIO ROOFING NEWS – ISSUE 2 2026 15 Once RAAC has been identified at the building, periodic structural assessments of the panels should be conducted by a licensed structural engineer. www.sparmarathon.ca Roofing & Sheet Metal Super Service Centres OAKVILLE, ON (905) 825-0034 WESTON, ON (Weston Road) (416) 745-4111 BARRIE, ON (705) 792-6683 EDMONTON, AB (780) 432-2786 HAMILTON, ON (905) 560-2858 PICKERING, ON (905) 426-4443 WESTON, ON (Signet Drive) (416) 744-2050 CALGARY, AB (403) 255-8236 TORONTO, ON (416) 534-8421 LONDON, ON (519) 668-3626 WINNIPEG, MB (204) 338-7613 FG-1000 Attachments Dump Tray 55-Gallon Hot Tank Gravel Bucket Designed for crews laying massive SQFT of flat roof, the Ultimate Mover is built to move materials faster, safer, and with less labour. • Move your TPO + EPDM rolls with ease. • Lift and transport up to 2 skids of ISO at a time. Get your jobs done faster and easier — every single day. • Lifting capacity = 800lbs Ultimate Mover FG-1000 IT’S NEW! WATCH THE VIDEO HERE! as the Ontario Science Centre are at risk. The Toronto Star. https:// www.thestar.com/politics/ provincial/hundreds-of- ontario-schools-with-the- same-aging-concrete-as-the- ontario-science-centre-are/ article_df6983d2-3251- 11ef-862d-b361d337cf3d. html. 2. CROSS-UK. (2019). Fail- ure of Reinforced Auto- claved Aerated Concrete (RAAC) Planks. CROSS- Safety. https://www.cross- safety.org/sites/default/ f iles/2019-05/failure- reinforced-autoclaved- aerated-concrete-planks. pdf. 3. Benzie, R. (2024, June 21). Ford government abruptly closes Ontario Science Centre after report found roof in danger of collaps- ing. The Toronto Star. https://www.thestar.com/ politics/provincial/ford- government-abruptly- closes-ontario-science- centre-after-report-found- roof-in-danger-of-collaps- ing/article_3e7a8442-2fd8- 11ef-9c00-03276c11fe83. html. 4. Lam, E. (2024, June 24). Ontario Science Centre doesn’t require full clo- sure: A close reading of the engineers’ report. Canadian Architect. https://www. canadianarchitect.com/ ontario-science-centre- doesnt-require-full-closure- a-close-reading-of-the- engineers-report. 5. Petrolab Ltd. (n.d.). Re- inforced Autoclaved Aer- ated Concrete (RAAC) – Basic composition & petrography. https:// www.petrolab.co.uk/rein- forced-autoclaved-aerated- concrete-raac-basic-compo sition-petrography. 6. The British Reinforced Concrete Association (BAR). (2023). Reinforced Autoclaved Aerated Con- crete (RAAC). https:// www.uk-bar.org/news/ bar-guidance-note- reinforced-autoclaved- aerated-concrete- raac/113113. 7. Rimkus Consulting Group, Inc. (2023, September 4). Under- standing the Historic Use of Reinforced Autoclaved Aerated Concrete (RAAC) in Building Construction in Ontario. Infrastruc- ture Ontario. https:// www.infrastructure ontario.ca/49fd31/co ntentassets/84df22e7 1b7c40b2aaeef94da8 8c78b5/rimkus-white- paper---understanding- the-historic-use-of-raac- in-building-construction- in-ontario---2024-06-25. pdf. 8. Department for Edu- cation. (2024, April). Reinforced Auto- claved Aerated Con- crete (RAAC) Iden- tification Guidance. GOV.UK. https:// assets.publishing. service.gov.uk/media/ 6 6 2 8 e 5 1 9 b 0 a c e 32985a7e5ad/GUIDE- DFE-XX-XX-T-X- 9002-Reinforced_ Autoclaved_Aerat ed_Concrete_Identi fication_Guidance-A- C04__002_.pdf. 9. HTA Building Inves- tigations Scotland. (n.d.). RAAC Assess- ments. https://hta- building-investigations- scotland.co.uk/build ing-investigations/raac- assessments. 10. Caruso, F. (1998). Lightweight, Au- toclaved, Aerated, Cellular Concrete Roof Panels (LAAC- CRP): Structural and Re-Roofing Prob- lems. Interface.
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