# Advanced Roofing Ontario > Plain-language roofing guidance for Ontario property owners, plus an assessment-request service. Operated by B2B Roofing Sales (Calgary, Alberta). Not a roofing contractor: requests are reviewed and referred to one independent Ontario roofing contractor where coverage is available. No prices, reviews, crews or city-level coverage are claimed; coverage is checked request by request. Contact: info@advancedroofingontario.com. Guides and blog articles link to government, municipal, regulatory and manufacturer sources. Worked examples are illustrative; installation requirements depend on the selected products and the property. ## Pages - [Clear next steps for your Ontario roof](https://advancedroofingontario.com/): Clear next steps for Ontario roofs: practical guidance on leaks, replacement and maintenance, a free repair-or-replace tool, and assessment requests referred to independent local contractors. - [Who we are and how this works](https://advancedroofingontario.com/about/): Advanced Roofing Ontario is operated by B2B Roofing Sales. We are not a roofing contractor: we publish guidance, review assessment requests and refer them to one independent Ontario contractor where available. - [Contact Advanced Roofing Ontario](https://advancedroofingontario.com/contact/): Email info@advancedroofingontario.com or send a message. For roof problems, request an assessment; to ask about your area, use the coverage check. - [Flat & Commercial Roof Assessments in Ontario](https://advancedroofingontario.com/flat-commercial-roofing/): For property and facility managers: how low-slope roof systems fail, what a commercial roof assessment should include, repair versus restoration versus replacement, and how to request one in Ontario. - [Flat-roof condition report checklist for property managers](https://advancedroofingontario.com/guides/flat-roof-condition-checklist/): What a flat or low-slope roof condition report should contain — membrane, seams, flashings, drainage, moisture survey, photo log, priorities — and how to use it for capital budgets, reserve fund planning and insurance. - [Ice dams in Ontario: why they form and what actually fixes them](https://advancedroofingontario.com/guides/ice-dams/): Why ice dams form on Ontario roofs, what an assessment should look at in the attic, which fixes address the cause (air sealing, insulation, ventilation, eave protection) and which only treat symptoms. - [Repair or replace? How to decide about an ageing roof](https://advancedroofingontario.com/guides/repair-or-replace/): How to decide between roof repair and replacement: age, extent of wear, symptoms and repair history, plus Ontario permit and contract rules, and a free tool that explains its reasoning. - [Roofing contracts in Ontario: what to check before you sign](https://advancedroofingontario.com/guides/roofing-contracts-ontario/): What an Ontario roofing contract must include, your consumer rights (written contracts, the 10% estimate rule, cooling-off, deposits), WSIB and insurance proof, holdbacks under the Construction Act, and red flags. - [Privacy policy](https://advancedroofingontario.com/privacy/): How Advanced Roofing Ontario (operated by B2B Roofing Sales) collects, uses, shares, stores and deletes information submitted through its roofing assessment forms. - [Request a roof assessment](https://advancedroofingontario.com/request-assessment/): Request a roof repair, replacement, maintenance or commercial roof assessment in Ontario. We review each request, check coverage and refer it to one independent local contractor where available. - [Roof Maintenance & Condition Assessments in Ontario](https://advancedroofingontario.com/roof-maintenance/): Seasonal roof maintenance for Ontario weather, what a roof condition assessment should document for buying, selling or insurance, and how to request one. - [Roof Repair & Leak Assessment in Ontario](https://advancedroofingontario.com/roof-repair/): What a roof leak assessment should check, which repairs make sense and their limits, what to prepare, and how to request a repair assessment from an independent Ontario roofer. - [Roof Replacement Planning in Ontario](https://advancedroofingontario.com/roof-replacement/): Plan an Ontario roof replacement: signs it is time, what the assessment should measure, shingle and material options with their trade-offs, permits, contracts, and how to request a replacement assessment. - [Ontario roofing advice. Down to the details.](https://advancedroofingontario.com/roofing-blog/): Practical Ontario roofing advice: compare replacement quotes, understand hidden roof details, and plan repairs with sourced articles and homeowner checklists. - [Best roofing contractors in Calgary: 10 companies compared](https://advancedroofingontario.com/roofing-blog/best-roofing-contractors-calgary/): Compare 10 Calgary roofing contractors by roof type, services and project fit, with source links and practical questions to ask before hiring. - [Ontario roof replacement quotes: 7 details worth checking](https://advancedroofingontario.com/roofing-blog/ontario-roof-replacement-quote-checklist/): Compare Ontario roof replacement quotes: check membrane reach, low slopes, deck repairs, ventilation, flashing, cold-weather sealing and progress photos. - [Coverage is checked request by request](https://advancedroofingontario.com/service-area/): We accept roofing requests from anywhere in Ontario and check coverage case by case, based on independent contractor availability for your location and roof type. Check coverage for your property. ## Optional - [Sitemap](https://advancedroofingontario.com/sitemap.xml) - [Operator](https://b2broofingsales.com/): B2B Roofing Sales, the business that runs this site.