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Avatar for Alderfer Glass Co.
Alderfer Glass Co.
4.8(
70
)
Stained or Specialty Glass - Repair

Serving Frederick, PA and surrounding areas

Approved

In business since 1961

Free estimates

Warranties offered

"When we picked up the glass yesterday evening, we noticed one of them was wrong size (the glass was less half size of our table). 
They came in today and measured the table again.
Mistakes happens.   They acknowledge it and move on remediating it.  Great company
"
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+53

3 neighbors recently requested a quote
Recommended by95%of homeowners
D. Karpel Construction
4.5(
69
)
Glass Blocks - Install

Serving Frederick, PA and surrounding areas

Approved

In business since 1989

Free estimates

Small jobs welcome

"Desmond was responsive to my initial phone call, came to my house to measure and completely explained the process of installation of glass block windows in my basement. I wanted the installation of a glass block window with a hopper vent and another glass block window CUSTOMIZED to receive a vent that we made which was similar to a dryer vent. Desmond took our thoughhts to his window manufacturer, then followed with our CUSTOMIZED VENT to have it incorporated into a the glass block window. His window manufacturer did a perfect job in making the window to our specifications. Once the windows were made, Desmond came and installed them as planned. His work was quality in nature, reasonably priced and completed in a timely manner. Without a doubt, I would highly recommend Desmond for window replacement to anyone!!!"
Response time4 days
4 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Fabiano's Construction
Fabiano's Construction
4.8(
74
)
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Frederick, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Small jobs welcome

"Fabiano was a pleasure to work with. He was punctual when showing up to provide an estimate and to the project itself. He gave me accurate time lines and updates in real time when fixing my deck. After comparing 4 other contractors to replace my deck, Fabiano gave the best quote with no surprises and the estimate was spot on! I would absolutely recommend Fabiano for your next project"
decks
decks
decks
decks
decks

+6

Response time4 days
Response rate100%
7 neighbors recently requested a quote
Avatar for Reichardt Remodeling
Reichardt Remodeling
4.6(
83
)
Stained or Specialty Glass - Repair

Serving Frederick, PA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"The work took about a week to complete, although Dan used a plumber who installed the shower hardware and fixtures and the floor and glass for the shower. That took a few weeks longer to install because the glass needed to be measured and specially ordered. But it was worth the wait!"
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+5

Recommended by97%of homeowners
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Glass Block questions, answered by experts

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.

You can still see vaguely into some types of glass block windows at night. Although there won’t be clear definitions, passersby may still see shapes, shadows, and movement through the glass. If you want complete privacy, consider installing diamond glass block windows rather than the typical clear or wavy glass blocks.

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 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.

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

The Frederick, PA homeowners’ guide to glass block services

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