Knowledge Base

Window, Door & Glass Know-How

Maintenance tips, installation guides, product insights and safety advice for homeowners and businesses, from the team that has seen it all.

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Everything you need to know about windows, doors, glass, safety, screens and storefronts, so you can make informed decisions for your space.

Storm windows can be an effective way to improve comfort and energy efficiency without replacing existing windows.

Fall is the ideal time to find window and door problems before cold temperatures, strong winds and heavy rain arrive.

Before the next heavy storm, check five window and door warning signs, including leaks, failed seals, damaged caulking, and faulty hardware.

As temperatures rise, drafty windows can make your air conditioner work harder. Repairing them can cut energy bills and improve comfort.

What the federal Build America, Buy America (BABA) Act means for materials sourcing on federally funded construction projects.

Spring's shifting temperatures and humidity can affect how your windows and doors seal and operate. Here's what to watch for.

What NYC and New Jersey homeowners need to know about energy-efficiency tax credits for replacing windows and doors in 2026.

Fire-rated windows save lives.

Replacing or repairing windows on an LPC-regulated property? This checklist helps you prepare for a smoother approval process.