Windows, Doors & Glazing

Pane count alone does not determine window performance. Learn what to check, compare, and verify before making a decision.

A lower U-factor generally indicates less heat transfer; solar heat gain describes sunlight entering the building. Learn what to check, compare, and verify before making a decision.

Insert replacements can retain a sound existing frame, while full-frame work exposes the surrounding opening and allows flashing repairs. Learn what to check, compare, and verify before making a decision.

Moisture trapped between panes can indicate failure of an insulated glass unit. Learn what to check, compare, and verify before making a decision.

Impact-rated assemblies are designed and tested to specific conditions; they are not unbreakable. Learn what to check, compare, and verify before making a decision.

Casement and sliding windows differ in opening clearance, sealing mechanisms and ease of maintenance. Learn what to check, compare, and verify before making a decision.

A secure, energy-efficient exterior door needs a well-fitted frame, hardware and weatherproof threshold, not only an insulated slab.. Learn what to check, compare, and verify before making a decision.

Large patio openings affect heat loss, ventilation, access and the load on hinges or tracks. Learn what to check, compare, and verify before making a decision.

Skylight leaks can involve roof flashings, ageing glazing seals or damage to the surrounding covering. Learn what to check, compare, and verify before making a decision.

Road noise transmission depends on glass configuration, frame airtightness and flanking paths through walls or vents. Learn what to check, compare, and verify before making a decision.