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TRUSTED BY DEVON, PA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon11
    Verified glass block services reviews

Top-Rated Glass block pros in Devon - Updated Nov 2026

Avatar for Alderfer Glass Co.
Alderfer Glass Co.
4.0(
53
)
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Devon, PA and surrounding areas

Approved

In business since 1961

Free estimates

Warranties offered

"Super-nice and friendly on top of great workmanship! Alderfer Glass Co. will be my go-to now for any mirror and glass needs at my dance school. Miss Sue Chalfont, PA"
Interstate Series 4200
Modified Neo-Angle
Neo-Angle
Door, Panel & Return
Large Neo-Angle

+52

Response time1 day
50 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for PG Tedesco Construction
PG Tedesco Construction
4.4(
90
)
Glass Blocks - InstallGlass Blocks - Install - For Business

Serving Devon, PA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"After a long process of trying to get estimates for re-doing my old deck using maintenance free composites, I went w/ Tedesco Construction, as the estimate was realistic and they regularly kept in Touch with me from the very beginning and during the preliminary planning process and all through the project, as this was going on during Covid, with materials shortages,etc. Tom the project manager checked in w me regularly and was attentive to details,as there were some change orders along the way . But now I have a beautiful new deck and am thrilled.Thank you Tom & Tedesco Construction!"
BEFORE
AFTER
House
House
House

+2

Response time2 hrs
Response rate100%
3 neighbors recently requested a quote
Grady's Painting Plastering/Construction
2.0(
174
)
Stained or Specialty Glass - Repair

Serving Devon, PA and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I needed stucco repair work on an old chimney (and other spots). Grady was meticulous and thoughtful on what approaches and materials would work. Throughout the project they allocated sufficient time for each treatment to cure and inspected the work before proceeding to the next step. Grady started the project with no money down and only required ongoing payments for materials until the project was well underway. The final payment was due only after they did a final inspection. Total project cost was also below other bids."
Response time11 hrs
Response rate100%
Recommended by57%of homeowners
David Brown Construction
New to Angi
Glass Blocks - Install - For Business

Serving Devon, PA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

David Brown 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.

Response time3 hrs
West Chester Glass
4.4(
5
)
Stained or Specialty Glass - Repair

Serving Devon, PA and surrounding areas

In business since 1984

Emergency services offered

Credit card accepted

"Called for an estimate and was given a reasonable estimate over the phone. A representative came out to measure. He told me the glass would be ready in a couple of days. It was actually ready the next day!
Two gentlemen delivered the glass and made certain it fit.
Glass looks beautiful.Couldn't be happier with the finished product. Great experience from start to finish.
Highly recommend.


"
Recommended by80%of homeowners
...
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Glass Block FAQs, answered by experts

Although glass block windows are made of multiple layers of thick glass, they can still break. If an individual block shatters, it can be removed and replaced, but this is a job for a window repair professional. The project is often complex and may require breaking the block further for removal. Do not attempt to handle it yourself, as the broken glass can be dangerously sharp. A professional will have the necessary tools and expertise to replace the broken glass block quickly and safely. Before hiring, confirm that the repair pro has experience with this specific type of window.

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. 

Yes, many professionals provide custom-cut glass replacements for enclosures that require precise sizing.

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 walls are more expensive overall than their brick or drywall counterparts. However, if you need walls for a building with more than two or three stories, glass walls are the more budget-friendly option.

The Devon, PA homeowners’ guide to glass block services

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