Answers to Your Engineering Questions

We understand that building projects come with many questions, which is why we’ve compiled answers to the most common concerns.

The glazier is about to install an aluminum-glass window.

Old or inefficient windows can increase energy bills by up to 30%, create uncomfortable drafts, and lead to condensation issues. Replacing them improves comfort, energy efficiency, property value, and even security.

Low-E (Low-Emissivity) glass reflects heat back into your home in winter and blocks solar heat in summer, improving comfort and reducing energy costs.

Signs include drafts, condensation between panes, difficulty opening/closing, visible damage, or windows over 15 years old.

Yes. Modern triple-glazed windows with argon gas can cut heating costs by up to 30% annually in Ontario’s climate.

Ontario Building Code (OBC) requires windows to meet U-factors of 0.28 or less. ENERGY STAR® certification is recommended for optimal energy efficiency.

Window Replacement

handsome young man installing bay window in new house construction site
Anchorage Womens Club

Building Permits

Curtain wall

Siding & Exterior Renovations

Construction worker repairing the sliding window on artificial woods siding.
Anchorage Women's Club

Roofing

Membrane flat roof for an apartment complex.

Committee of Adjustment

The facade of the new house clad with siding, with windows, against the blue sky.

Condo Reserve Fund

Covering the terrace with roller blinds against the sun