Window Glass Repair & Replacement in Denver, CO
At Alpha Glass & Window, we provide expert glass repair and replacement services to homeowners, businesses, and property managers throughout Denver, CO. Whether you need broken window repair, foggy glass replacement, or custom shower door installations and storefront glass services, our experienced team delivers fast, reliable results.
Residential Glass Repair & Replacement Services
Broken Window Repair
A cracked or shattered window can compromise your home's safety and energy efficiency. Our Denver-based team provides:
- Professional damage assessments
- Affordable glass repair options
- Emergency window replacement
Foggy Glass Repair
Fogged or moisture-filled windows are more than just an eyesore—they affect insulation and comfort:
- Seal failure diagnosis
- Energy-efficient sealed unit replacements
- Solutions that restore clarity and reduce energy loss
Home Window Replacement
Outdated or damaged windows? We specialize in complete residential window replacement in Denver:
- Custom-fit installations for all window types
- High-quality, insulated glass
- Clear pricing and energy-saving options
Sliding Glass Doors & Shower Glass Installation
Sliding Glass Door Installation & Repair
Upgrade your home’s style and function with sliding glass doors:
- Modern, efficient entryway options
- Repair and replacement of tracks, seals, and glass
- Enhanced indoor-outdoor living
Shower Door Installation
Add luxury and value to your bathroom with new shower glass:
- Custom frameless and framed options
- Durable, easy-to-clean materials
- Seamless integration into your space
Commercial Glass Services for Denver Businesses
We help local businesses maintain their appearance and security with fast commercial glass services.
Storefront Glass Installation
- Custom storefront glass design and installation
- Replacement for cracked, foggy, or broken commercial windows
- Energy-efficient upgrades
Commercial Glass Doors & Mirrors
- Emergency glass door repair
- Mirror installation for salons, gyms, and medical offices
- Flexible scheduling to minimize downtime
Glass Services for Property Managers
Property managers across Denver rely on Alpha Glass & Window for multi-unit and commercial glass projects:
- Fast, on-site assessments
- Clear communication and insurance coordination
- Consistent, professional service
Why Choose Alpha Glass & Window?
- Local expertise trusted throughout Denver since 2011
- Fast, affordable solutions for homes and businesses
- Skilled technicians using high-quality materials
- Tailored services for every glass repair or replacement need
Here is the magic that keeps us the clear choice for Denver neighbors. We have tailored solutions for all your needs! Let's get started.
Contact our team online or call 720-729-9880 today for a free consultation and speak to one of our window and glass specialists.
Window & Glass Repair Service FAQs
In general, a straightforward replacement of a standard-sized storefront window can take around 1-2 hours, while a more complex installation requiring custom glass and framing may take several days.
Factors that will affect the time needed include:
- Size of the window
- Type of glass
- The complexity and accessibility of the installation
- Availability of materials
- Weather conditions
- Permits needed
It is best to consult with a professional window installer to get an accurate estimate of the time required for your specific project.
On average, homeowners in the Denver area can expect to pay between $1,000 to $3,000 for a standard sliding glass door replacement. Factors such as energy efficiency features, glass type, and additional options like blinds between the glass can also affect the overall cost. If you choose a French door style expect to pay more than the average.
Yes, it is possible to replace the glass in a window without removing the frame in certain cases. This is often referred to as retrofit replacement or insert window installation.
Recent Jobs and Reviews in Denver, CO
Our Local Reviews by City
- Centennial, CO (1)
- Denver, CO (1)
- Lone Tree, CO (1)
Job Locations and Reviews

Completed dual-pane window installation at Washington Park residence. Removed old aluminum windows, installed vinyl replacement windows with argon gas fill. Foam insulated perimeter gaps for thermal efficiency. Windows now meet Energy Star requirements for Denver's climate zone.

Performed retrofit replacement of living room picture window for our client in Denver. Old wooden frame showed significant rot. Installed thermally broken aluminum frame with laminated safety glass. Applied proper flashing techniques around perimeter to prevent moisture intrusion. Home now has improved soundproofing and thermal performance.

Installed contemporary frameless shower enclosure in master bathroom. Used 1/2" heavy tempered glass with ClearShield protective coating for water spotting resistance. Applied precise measurements to accommodate tile irregularities. Engineered proper support systems for wall-mounted panels. All hardware secured to structural elements, not just surface tile. Door operates with fluid motion.

Repaired wooden window sashes in historic home. Removed deteriorated glazing compound, treated exposed wood with preservative, and installed new glass using traditional linseed oil putty. Maintained historical integrity while improving function. Sash cords replaced and weights balanced for proper operation. Windows now operate smoothly while preserving architectural character.
Installed custom beveled mirror array in a client's dining room. Used 1/4" mirror with 1" beveled edges for elegant appearance. Created precise templates to accommodate crown molding. Applied silicone adhesive in proper ventilated pattern to prevent silvering degradation over time. Maintained consistent reveals between panels. Protective backing applied to prevent moisture damage. Final installation provides enhanced light reflection and spatial expansion effect.

Performed glass replacement on multiple windows at a business in Denver. Original tempered glass had developed spontaneous fractures due to nickel sulfide inclusions. Replaced with heat-soaked tempered glass to prevent future occurrences. Applied proper lifting techniques with suction equipment to maintain safety protocols. All glazing gaskets replaced and pressure plates torqued to manufacturer specifications for proper compression and weather resistance

Completed enclosed patio glass wall system in an Aurora residence using tempered insulated glass units. Created aluminum framing system anchored to existing structural elements. Incorporated proper expansion joints to accommodate seasonal movement. Applied thermal break technology to prevent heat transfer. Installed weep system for moisture management. System provides unobstructed views while maintaining thermal efficiency. Client now enjoys outdoor views with climate-controlled comfort year-round.

Installed commercial storefront windows in downtown Denver retail space. Removed outdated single-pane glass and replaced with 1" insulated glass units featuring Low-E coating and argon fill. Used thermally broken aluminum framing system with proper anchoring to structural elements. Applied compatible sealant at all joints and intersections. System meets current energy codes and provides significant improvement in thermal performance and noise reduction while maintaining visual clarity.
Performed historical window restoration. Carefully removed sashes, stripped accumulated paint layers, repaired rotted wood with epoxy consolidant. Replaced broken glass using restoration glass with period-appropriate distortion characteristics. Reinstalled using traditional glazing methods with linseed oil putty. Applied proper weatherstripping techniques to improve energy efficiency while maintaining historical integrity. Windows now operate correctly with authentic appearance plus improved thermal and acoustic performance.

This customer wanted a shower upgrade but didn’t want a full remodel. We installed a sleek frameless glass shower door, replacing an outdated framed unit. A new glass shower enclosure is a great way to modernize a bathroom without major renovations.
Installed sleek storefront glass for a Denver business, creating a modern and inviting entrance while maximizing natural light. A well-designed glass storefront enhances curb appeal, improves visibility, and attracts more customers. Our durable, high-quality glass ensures security and energy efficiency, making it a perfect upgrade for any commercial space!

Replaced an old acrylic skylight in Denver with a solar-powered venting skylight. Disconnected the previous unit and prepped the opening with flashing and insulation. Installed the new unit, ensuring proper sealing with waterproof underlayment and exterior-grade caulk.
Replaced a framed shower door with a frameless model for a sleek update. Removed the old door using a utility knife and wrench set. The frameless glass was mounted using pivot hinges, providing a modern, clean look.
Installed a beveled-edge mirror in a bedroom as part of a renovation project. Used heavy-duty adhesive and J-channel support along the bottom edge. Ensured even placement by measuring twice and leveling the mirror before securing it permanently.

Replaced a sliding glass shower door in a high-traffic guest bathroom for our client in Denver, CO. Dismantled the frame using a power drill and screwdriver set. Installed a new frameless door with a soft-close mechanism, ensuring proper alignment and a leak-free seal with silicone caulking.
Installed a custom-cut wall mirror in our client's home gym in Denver. Anchored the mirror securely with mirror clips and adhesive. Used a laser level to ensure precision alignment across the wall, providing a seamless and professional finish.

Denver frameless shower enclosure for modern bathroom renovation. Utilized 10mm low-iron ultra-transparent glass. Fabricated with waterjet cutting technology for precision edges. Installed using minimal glass hardware with brushed nickel finish. Conducted water dispersion angle measurement and sealant adhesion tests.
Denver commercial glass repair at downtown office complex. Replaced two 10mm tempered glass panels with custom low-E coating. Utilized laser measurement tools for precise fitting. Performed structural silicone glazing with structural two-part epoxy. Completed entire installation with zero air gaps.
Today, I replaced an old skylight for a homeowner. The existing unit had developed leaks around the edges, compromising the roof’s weatherproofing. I began by removing the damaged skylight and cleaning the surrounding area to ensure proper adhesion. I then installed a new Low-E glass skylight, which improves energy efficiency. After sealing the edges with high-quality silicone and securing the flashing, I tested the seal to ensure it was watertight. The new skylight allows natural light into the home while providing better insulation and eliminating the previous leaks. The installation was completed smoothly and efficiently.

I repaired a small crack in a large sunroom room window. I cleaned the affected area and used a UV resin to fill the crack, ensuring a smooth and clear finish. After curing the resin with a UV light, I polished the surface for a seamless repair. The window is now structurally sound and visually restored.
I installed large, frameless mirrors in a workout room. I used J-bar mounts and mirror adhesive to secure the mirrors to the wall, ensuring proper alignment and stability. I also checked for any gaps and applied silicone sealant for a clean finish. The installation was completed efficiently, providing a clear and safe reflective surface for the workout area.

Earlier today, I serviced a malfunctioning frameless glass shower door at a local residence. The door had become difficult to open and close, with the rollers and track system requiring attention. I first disassembled the door hardware, cleaning and lubricating the rollers with a silicone-based lubricant. I then adjusted the door panel to ensure proper alignment and smooth operation within the track. After reassembly, I tested the door thoroughly to verify its functionality had been fully restored.

Today, I completed a commercial glass repair using Dow Corning 795 silicone sealant. The project involved replacing a shattered storefront window. I removed the damaged glass, prepped the area, and installed the new tempered glass pane, ensuring a secure and watertight seal with the silicone adhesive. The repair restored the integrity and safety of the commercial property's facade.

Completed window replacements throughout a residence in Denver, CO. Installed energy-efficient double-pane windows to enhance insulation and reduce energy costs. Ensured precise measurements and secure fitting for each window. Residents now benefit from improved comfort and reduced utility expenses.

Completed a whole-home window replacement, transforming the client's residence with a uniform and energy-efficient window solution. Enhanced curb appeal and improved insulation are now key features of the home.
They were very responsive, professional and did great work at a fair price. Definitely recommend!
We thank you for sharing your positive experience. It made our day.