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Top-Rated Glass block installation pros in Clearlake - Updated Nov 2026

Glass Master
New to Angi
Stained or Specialty Glass - Repair

Serving Clearlake, CA and surrounding areas

In business since 1980

Free estimates

Glass Master is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. 25 years in business. \n \nIB - MF evenings

Avatar for Renovate
Renovate
New to Angi
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Clearlake, CA and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

Home remodeling with a versatile style of design, turning your dreams into reality. Your happiness is guaranteed being that Elite Renovations is owner operated with something to prove. Being new to business, reputation is crucial making us go above and beyond your requests.

Glass Block Windows FAQs, answered by experts

Options include tempered, laminated, and tinted glass for various needs.

DIY is possible for small projects, but professional installation ensures proper sealing, structural integrity, and a precise finish.

Glass block mortar is the best choice for glass block window units. It is specifically formulated for glass block window installation. Glass block mortar is usually a mixture of Portland cement, sand, and special chemicals. It is a white mortar that is applicable inside and outside your home. Do not use regular tile mortar because it may not have the binding strength and flexibility required for glass block windows.

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

Heavy glass tends to be more expensive than thin glass because it is stronger and more durable. In most cases, ¼-inch-thick glass is ideal for mirrors, and ⅛-inch-thick glass is ideal for residential windows. Heavier glass isn’t always necessary, and can be more challenging to hang or install. Work with a local window installation pro for replacement or new construction windows.

The Clearlake, CA homeowners’ guide to glass block window services

From average costs to expert advice, get all the answers you need to get your job done.