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

Hill Mountain TIle N Stone
New to Angi
Glass Blocks - Install

Serving Kalispell, MT and surrounding areas

In business since 2018

Free estimates

Emergency services offered

Hill Mountain TIle N Stone 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.

Allen's Siding & Windows, Inc.
New to Angi
Glass Blocks - InstallStained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Kalispell, MT and surrounding areas

In business since 1988

Allen's Siding & Windows, Inc., is a Full Service,Owner Operated Company for over 17 years in complete exterior home improvements from custom design additions, sunrooms, patios, and decks to complete siding and window installations and repairs as well as all exterior window treatments including custom shutters and awnings. We specialize in ALSIDE ULTRAMAX Windows, which have been energy star partner for 3 years running. We work with you from start to finish with complete client focus, and professional personalized service giving superior craftsmanship with attention to each detail to ensure we create the vision you have for your home. Hire The Contractor not a Salesman. Please see our website at www.sydngys.com

Legends Construction
New to Angi
Glass Blocks - Install

Serving Kalispell, MT and surrounding areas

Welcome to Legend Construction!\n\nWe are a locally operated construction company serving the Flathead Valley and surrounding areas. We specialize in quality craftsmanship, reliable service, and bringing our customers' projects to life.\n\nOur services include:\n\n- Tile installation\n- Masonry\n- Flooring\n- Home remodels and renovations\n- General construction\n- Door and window installation\n- Interior and exterior improvements\n\nWhether you're looking to update a single room, tackle a major renovation, or start a new construction project, our team is ready to help.\n\nWe take pride in our workmanship, attention to detail, and making sure every project is done right.\n\nContact us today for a free estimate. We look forward to earning your business!

Glass Block Windows FAQs, answered by experts

Glass block installation can be relatively expensive due to the range of material costs and the labor time to assemble this type of specialty window. The process proceeds slowly as the glass does not absorb moisture from mortar and silicone caulk takes longer to harden, leaving spacers to hold up the structure until the caulk or mortar begins to cure. Plus, if your current windows have structural issues or damage, you’ll need to repair them before beginning the project, increasing your bottom line. 

Glass block windows come in various patterns and styles that offer privacy and unique aesthetics. Frosted or textured glass diffuses light and enhances privacy. Wave-pattern glass blocks imitate ocean waves with flowing lines. Ice-glass blocks resemble cracked ice. Fluted glass blocks feature parallel vertical grooves, adding texture and depth. Clear glass blocks, similar to glass Coke bottles, offer transparency with some distortion and may have smooth surfaces or subtle textures, adding visual interest.

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.

Installing glass block windows has benefits and disadvantages, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.

Pros

  • Maintains privacy while letting light into the bathroom

  • Energy efficient

  • Sealed to prevent drafts

  • Aesthetically pleasing

  • Strong and secure

Cons

  • Costly to install

  • Challenging installation

  • Challenging repair

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

The Kalispell, MT homeowners’ guide to glass block window services

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