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Resources.

Roof problems, explained. Follow the clues, compare your options, and figure out what to do next.

79 guides / Materials & installationShowing 73-79

Weathered grey cedar roof shingles in overlapping courses with visible wood grain

Materials & installation3 min read

Should an Aging Cedar Roof Be Treated?

Before paying for a cedar roof treatment, check the wood condition, named product, cleaning method and realistic written scope of benefit.

Low-slope membrane roof above a rear extension with side parapets and an eavestrough

Materials & installation3 min read

Where Shingles Meet a Flat Roof

A steep-to-low-slope junction needs coordinated membrane, shingle and drainage details rather than a strip of sealant between materials.

Roofing documents and shingle samples on a table beside a window.

Materials & installation3 min read

Adding Equipment to a Flat Roof Needs More Than a Hole

Coordinate equipment support, curb height, waterproofing, utilities and maintenance access before adding rooftop equipment.

Dark asphalt shingles, roof vents and chimney flashing on neighbouring brick houses.

Materials & installation5 min read

Can You Replace Roof Shingles in an Ontario Winter?

Winter shingle replacement is possible, but sealing, material handling and the forecast matter. Here is what to ask before scheduling the work.

Asphalt shingle, standing-seam metal and cedar samples on a workbench

Materials & installation4 min read

Asphalt vs. Metal vs. Cedar: Which Roof for Which House?

An honest comparison of the three main residential roofing materials for GTA homeowners.

Aerial view of a roofer working on a dark shingle roof between neighbouring homes.

Materials & installation3 min read

Steep-Pitch Roofing: What an 8/12 Slope Really Means

What an 8/12 roof pitch means for access, working time and your quote. Learn which questions make a steep-roof estimate easier to judge.

Adjoining shingle roof sections and a brick chimney in a residential neighbourhood.

Materials & installation4 min read

Replacing One Half of a Semi-Detached Roof

Compare a continuous shared roof with a projecting party wall, and agree the boundary, flashing, access and hidden-work decisions before replacing one half.

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