Roofing & Exterior Systems

Standing seam metal and asphalt shingles differ in weight, attachment, surface finish and expected upkeep. Learn what to check, compare, and verify before making a decision.

TPO typically uses heat-welded seams, while EPDM systems have different joining methods. Learn what to check, compare, and verify before making a decision.

Water may travel beneath a covering before appearing as a ceiling stain. Learn what to check, compare, and verify before making a decision.

A roof replacement bid should reflect actual sloping area, pitch and the number of details. Learn what to check, compare, and verify before making a decision.

Wind, hail and debris can affect surface coverings, flashings and roof edges differently. Learn what to check, compare, and verify before making a decision.

Attic moisture may be driven by roof leaks, interior air leakage or condensation. Learn what to check, compare, and verify before making a decision.

Roof underlayment provides secondary water protection, but products differ in vapour characteristics, temperature tolerance and installation requirements. Learn what to check, compare, and verify before making a decision.

Water near a skylight can come from flashing failures, roof defects or humid indoor air condensing on cold glazing. Learn what to check, compare, and verify before making a decision.

A coating may extend the usefulness of a sound compatible roof but cannot rebuild rotten decking or dry saturated insulation. Learn what to check, compare, and verify before making a decision.

A maintenance agreement helps document drains, membrane seams and roof penetrations before small defects become extensive leaks. Learn what to check, compare, and verify before making a decision.