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Verified Reviews for Glass Block Service pros in South Williamsport, PA

*The Angi rating for Glass Block Service companies in South Williamsport, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

*The HomeAdvisor rating for Glass Block Service companies in South Williamsport, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Service needs.

Last update on November 10, 2025

Reviewed in October 2023
HD carpentry is awesome! I contacted them regarding replacing our sliding glass door. They came and evaluated quickly. Then weâ re able to fix the door to save us a lot of $$$. We plan to hire them to replace our front door. 10/10 recommend
HD Finished Carpentry LLC
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Reviewed in September 2017
They were polite and prompt. I was surprises to see that they also washed exterior of windows and glass sliding doors on the porch, terrace in backyard, and steps leading up to front door. I would use them again.
Central Penn Pro Wash
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Reviewed in February 2017
Garrety Glass went out of their way to add on to our sunroom. They did an excellent job, went over and above what we expected, the professionalism of their workers was terrific. This company is A+++ in our book. We would recommend them to anyone .
Garrety Glass - Betterliving Patio & Sunrooms
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Reviewed in June 2013
He doesn't show up and he does a sloppy job when he does. We hired him back in April and he still has not finished the job. Everything he does is wrong. He has only done $1000 of work in 2 months and we gave him $11,200. The wall that he built doesn't pass code. Used 8 inch block and was...
Brian Robbins
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Reviewed in October 2012
This is my first home & my first experience with hiring contractors for the many home repairs I needed. I have received a rude lesson on what not to do when employing a contractor. JIM HESS, owner of the company, is a disreputable businessman & does shoddy work. JIM HESS' son, also named JIM...
HESS FLOORING
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Reviewed in August 2012
After they poured the footer the masonry work on the block wall was horrible. There were holes through the seems in the blocks that the sun would shine through. The blocks did not even completely set on the footer. When they poured the floor, they finished the concrete with a rake. When...
WEINHARDT REMODELING
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Reviewed in June 2012
There are a bunch of business and individuals that do car detailing and I had no idea who to choose, so I asked around and get 3 reccommendations for Mazzullos and decided of them because all 3 of the reccommedations were 'glowing'.Called for an appointment and was surprised to get one only 2...
Mazzullo's Premier Auto SPA
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Find Glass block pros in South Williamsport

Appalachian Preservation Services, LLC

Appalachian Preservation Services, LLC

Here at Appalachian Preservation we specialize in all things masonry! (New construction, restoration, tuck pointing) Brick, block, or concrete; cosmetic or leakage problems, Appalachian Preservation has you covered!!

Here at Appalachian Preservation we specialize in all things masonry! (New construction, restoration, tuck pointing) Brick, block, or concrete; cosmetic or leakage problems, Appalachian Preservation has you covered!!

Palace of Glass

Palace of Glass

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

Welcome to your production house for custom glass: we design and handcraft glass panels and sculptures for your needs! Call us to get quote now based on square footage! Contact online representative for immediate consultation!

Welcome to your production house for custom glass: we design and handcraft glass panels and sculptures for your needs! Call us to get quote now based on square footage! Contact online representative for immediate consultation!

Ryan Watson Remodeling

Ryan Watson Remodeling

20 years of experience

I'm remodeling contractor . new and or remodeling . I do all type of work. ( block, brick, stone, drywall, framing, interior exterior finish. Siding, tile granite. Roofing . concrete, electrical , plumbing. Bathrooms remodel, kitchen remodel, decks ,porches, doors , windows. If u can dream it I can do it.

I'm remodeling contractor . new and or remodeling . I do all type of work. ( block, brick, stone, drywall, framing, interior exterior finish. Siding, tile granite. Roofing . concrete, electrical , plumbing. Bathrooms remodel, kitchen remodel, decks ,porches, doors , windows. If u can dream it I can do it.

Oberdorf Carpet One Floor & Home

Oberdorf Carpet One Floor & Home

Customers say: Super punctual

42 years of experience

Oberdorf Carpet One Floor and Home is a full service floorcovering business. We offer free estimates and a large selection of materials. We handle the Karastan line of broadloom and area rugs.

Oberdorf Carpet One Floor and Home is a full service floorcovering business. We offer free estimates and a large selection of materials. We handle the Karastan line of broadloom and area rugs.

HAGGERTY MASONRY RESTORATION

HAGGERTY MASONRY RESTORATION

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

2 EMPLOYEES. NO SUBS. COST IS DETERMINED BY THE JOB. NO TRAVEL CHARGES. NO SERVICE FEES. MAY CONTACT THROUGH EMAIL.

2 EMPLOYEES. NO SUBS. COST IS DETERMINED BY THE JOB. NO TRAVEL CHARGES. NO SERVICE FEES. MAY CONTACT THROUGH EMAIL.

See It N 3D Design & Technical Illustrations

See It N 3D Design & Technical Illustrations

18 years of experience

The end product will be your Blue Prints, Floor Plans, Notes or drawings (non-technical nor artistic required) designed and converted digitally into 3D (Isometric) full color digital images. (animation available). The purpose and value of my service is convey ideas and purpose of my Clients (Architects, Designers, Artists, Contractors, Home Owners etc.) into images from 8.5 to 11" to Large format such as Poster Board or Bill Board size for advertisement or demonstration, Video 3D animation also available. SEEIT N 3D before you build it SAVE $ and TIME. My illustrations are the last step before the project becomes a reality. I have saved my clients thousands of dollars by allowing a Virtual Reality Preview of the end product/ project using the proposed materials, colors and textures. Email for a free consultation, include samples for a quote.

The end product will be your Blue Prints, Floor Plans, Notes or drawings (non-technical nor artistic required) designed and converted digitally into 3D (Isometric) full color digital images. (animation available). The purpose and value of my service is convey ideas and purpose of my Clients (Architects, Designers, Artists, Contractors, Home Owners etc.) into images from 8.5 to 11" to Large format such as Poster Board or Bill Board size for advertisement or demonstration, Video 3D animation also available. SEEIT N 3D before you build it SAVE $ and TIME. My illustrations are the last step before the project becomes a reality. I have saved my clients thousands of dollars by allowing a Virtual Reality Preview of the end product/ project using the proposed materials, colors and textures. Email for a free consultation, include samples for a quote.

Glass Block questions, answered by experts

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 last about 15 to 30 years, which is the same amount of time, if not slightly less, than standard windows. Standard windows last 20 to 50 years. You can extend the life of your glass block windows by resealing them every few years. Hiring a pro for installation is also key to windows that will function properly for years to come.

If an individual block breaks, you can remove and replace it. This is a job for which you should contact a professional because the project is usually complex, involving you having to break the block further.

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

Luckily, glass block windows need minimal maintenance. Other than regular cleaning, the only maintenance involved in having a glass block window is inspecting for cracks every year and applying sealer to the mortar joints if the blocks are set in masonry mortar. Glass block windows hold up well against wind and moisture better than traditional windows and are not prone to rot.

The South Williamsport, PA homeowners’ guide to glass block services

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

See all articles

Angi
•
Oct 13, 2025Oct 13, 2025
How Much Does Glass Block Window Installation Cost? [2025 Data]
Discover the average glass block window installation cost, including key price factors and tips to help you budget your project with confidence.
Xiao Faria daCunha
•
Jun 9, 2025Jun 9, 2025
How to Install Glass Block Windows in 10 Steps
Learn how to install glass block windows with our detailed guide that shares what you need to know about buying materials, DIYing, and more.
Taylor Sansano
•
Jun 9, 2025Jun 9, 2025
Glass Block Windows: Pros, Cons, Cost, and More
You may have seen glass block windows before without knowing their perks. Learn the pros and cons of glass block windows and how they can benefit your home.

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