THE ROCK Glass & Mirror Company (928)527-3333 Flagstaff
Window Glass Repair Flagstaff
Broken window glass
How window repair works
A window includes 3 things, a frame made up of steel, aluminum, wood, vinyl or fiberglass, components, such as hinges or cranks to open or mechanics to allow the glass to slide, and the glass, in single, dual, or triple pane The glass alone can always be replaced, not repaired. A window is considered to "repaired" when the glass is replaced.

However, on a dual pane unit, if only one of the pieces of glass is cracked or fogged up, both pieces of glass must be replaced in order to maintain the integrity and benefits of the dual pane unit as a whole. When dual pane glass looks foggy, the seal for that unit has "failed". And yes, that happens more often than you would think. A dual pane, or "insulated" glass unit is made up two pieces of glass, a spacer bar (made up of either aluminum or butyl), desiccant, and one, sometimes two, seals. First, two pieces of glass are cut to desired size and thickness, and checked for any detects or flaws. It is very important that each piece of glass be cleaned in a dust free, air filtered environment. Next, the two pieces of glass are put together and sealed, if a smudge or fingerprint, or even a large piece of lint or dust is caught in between the two pieces of glass, the unit must be thrown away and remade.

Aluminum spacers that will serve to separate the two pieces of glass are made, prepared and cut into four pieces for the two sides, a top and a bottom. Spacers are made to be hollow and then filled with “desiccant”- small round balls that look like bird seed. Desiccant will absorb moisture and prevent the panes from fogging up. For unit assembly, one of the piece of glass is laid flat, then the four pieces of aluminum spacers that have been connected at all four corners, will be placed on top of the piece of glass, and the final piece of glass will be placed on top of the aluminum spacer bar. A very hot, rubber like material called "butyl" is pumped around the edge of the dual pane unit out of a machine to seal the dual pane unit.

Dual seal units are also available. These units are sealed with a second coat of silicone placed around the outside giving the dual pane unit a second layer of protection. It is not the practice of every glass manufacturer to provide a dual seal insulated unit, but they are available. Dual seal is an extra layer of protection from the elements. As hard as we try, and with all the precautions taken at the factory, dual pane insulated units at times can still fail, resulting in condensation and ultimately, a foggy look. Dual seal units fail less often than single seal dual pane units and therefore come with a longer warranty.

Once the insulated dual pane unit has been sealed, and had a proper amount of time to cool, it is put into a room that is blocked from all light. Each dual pane unit is placed on a table with a black light shining up through the glass from underneath. This process allows the manufacturer to see any flaws, smudges or fingerprints that have sneaked by an earlier inspection. If an perfection is found not to be within industry standards, the unit is thrown into recycling, and the entire process is started over.

Dual pane units can be installed in 3-5 days, as dual pane units are not manufactured in Flagstaff. We come to your home or place of business and measure the window that is in need of a new dual pane unit. We have factory certified installers, and will always guarantee that the dual pane unit ordered for your window will be the proper width, height, and thickness. If your broken glass has left you with a exposed opening, for no additional charge we will gladly install a temporary board to cover the opening until your glass arrives.
The Window Replacement Process  
THE ROCK Glass & Mirror Company employs Factory Certified Window Installers. Owner, Damon Cundiff, even spent 3 ½ years training window dealers to become factory certified. We allow you to deal directly with the window distributors and do NOT mark up your window prices. We charge ONLY for window installation. 

Here’s how the process works, step by step:
1.  Call for a FREE consultation for exact pricing or request an email quote for an estimate.
2.  We will measure your existing window(s) inside and out. 
3.  Next, we will fully explain your window options and answer all your questions to ensure you make an educated decision on the best windows for you, your home, and your budget. 
4.  We let you deal directly with the window distributor, in order to get the best price and the brands your desire. We do not mark up window prices! We charge only for installation.  
5.  We handle the ordering of your window selections, take full responsibility for ordering them properly, at the correct size, thickness, and type.
6.  The window distributors will call us when your windows arrive. We pick them up, and bring them to you for installation.

Everything we do – up until a purchase decision is made, is always FREE of charge. It is our policy that even after we set up a time to meet, measurements have been taken, and even after we have shown you some of your window options and have given you an estimate, if at any time you decide for any reason “replacement windows” are not for you, we will gladly leave you with a business card and a handshake – and we hope you will remember us when the time is right or possibly refer us to a friend or family member.


Energy Efficient Windows
The estimated amount of heat or air conditioning lost through the windows in the average home is somewhere between 15 – 40%. New, energy efficient windows have double, if not triple pane windows with Low E glass, and possibly argon gas filled, and will increase the energy efficiency of your home. If you're tired of taping plastic over your windows every winter to stop heat loss, these window are for you. Low E, short for low-emittance, have microscopically thin, virtually invisible, coatings made of metal or metallic oxide layers. They are deposited on a window's glazing surface to reduce the U-factor by suppressing radiative heat flow. 

So, what does this REALLY mean? Low E glass is a type of treated glass that conducts visible light while controlling the passage of heat. This glass is an energy efficient way to control the heat being allowed in and out of a home or environment. Different types of Low E glass are available to meet the needs of varying climates. Heat transferred through glass is measured by the U-factor. This is the rate at which glass conducts non-solar heat flowing through it. The lower the U-factor rating, the more energy efficient the glass. Low-e glass allows visible light to pass through, but blocks heat-generating and ultraviolet light, requiring less artificial heating or cooling to keep a room at the desired temperature.

This glass works by reflecting heat back to its source. All objects and people give off varying forms of energy, affecting the temperature of a space. Long wave radiation energy is heat, and short wave radiation energy is visible light from the sun. The coating used to make Low E glass works to transmit short wave energy, allowing light in, while reflecting long wave energy to keep heat in the desired location.

Low E is now available in what is called – Low E squared, or Low E2. In simple terms, this means the sealed, dual pane unit is coated on both sides, interior and exterior. Low E Glass helps keep your home cooler in the summer, as well as helping to keep a good amount of the heat inside your home in the winter.

Window Components
What window parts are involved when we replace your windows? We will determine the best option for you based on which parts will need to be replaced determined by your current window structure, the new window you desire, as well as your home’s wall conditions. A variety of options exists, including the following:

1. Replacing the sash kits. Many manufacturers offer replacement sash kits, which include jamb liners to insure good operability and fit. This particular method allows for fairly easy installation, and can offer significant savings.
2. Inserting windows into the existing frame - this is also known as “Retrofitting”. The old sash, side jambs and trim are removed, but the original frame is left in place. The new window is inserted into this opening.
3. Full window replacement – The existing frame is removed and the new window is placed into the same position that was occupied by the original window. This is a great time to address any other problems that may have occurred around the old frame, such as water damage, air infiltration, repair improper installation of original flashing and so on.

New Construction Windows vs. Window Replacement: The difference between a window manufactured for new construction, and a window manufactured for replacement are two things. – a new construction window will be shipped with a nail fin. This is the industry standard way of installing a window into a home that is currently being framed, or under construction. The window is set into the opening and nailed into place. Eventually that nailing fin will be covered up by wood or vinyl siding, or sometimes stucco. 

A replacement window is manufactured with a flush – fin. This is an extrusion that enables the window to be slid inside of an existing, older window frame without the labor intensive process of removing the siding, or cutting out stucco to get to the old, nail on window, removed for replacement.

Mirrors
We can help! Tell us your  ideas and we’ll help you design a plan that will look special, well thought out, and sure to get lots of compliments. Certified Glaziers train for years learning how to properly cut and install glass and mirrors. Whether it is a standard ¼” mirror, rectangle in shape that will rest on a back splash in your bathroom,or a custom shaped wall of mirrors to grace a dance studio or exercise facility, THE ROCK Glass and Mirror Companybrings skill and 22 years of experience to your project. “I have seen the same scenario for years,” says Damon Cundiff, owner. “There are so many homes, apartments, hotels and even restaurants where I see that someone just cut a mirror and glued it to the wall.” 

In 22 years, we have helped design, fabricate and install literally hundreds of bathroom mirrors for homes and businesses, and have had the privilege of being able to mirror complete rooms for everything from gymnastics studios, to martial arts studios. We have even created a stack of 4 inch polished mirror circles for a customer who wanted very modern, mirrored coasters for glasses and coffee mugs. Got an idea? Let’s hear it, because we’re ready! We stock all sorts of sizes of large sheets of mirror, and do all of our cutting in-house. 

How much it will a custom mirror cost? Call us and we are happy to meet with you to discuss your ideas and give you a price quote on your customer mirror project, and of course, estimates and quotes are always FREE. Sometimes, good advice really can be FREE! 
Shower Doors & Bath Tub Enclosures
THE ROCK Glass & Mirror Company is very proud to have been the exclusive Agalite Shower & Bath Enclosures distributor in Northern Arizona since 1998. We could be carrying several shower door suppliers, but instead we have deliberately chosen to carry only Agalite showers doors for 14 years. Why? All shower enclosures are not created equal, not even close. 

The first reason we prefer to only carry Agalite Shower & Bath Enclosures is their vast selection. They have an unlimited amount of configurations available. From simple, single hinged shower doors, to a framed, or frameless design slider, or custom tub enclosure. Shower doors are available in glass from 3/16 of an inch, to ½ of an inch thick. Agalite shower doors and bath tub enclosures come in all kinds of different frame colors, glass designs and heights. We can always match the shower door that you like to the color of your bathroom faucets and fixtures, as well as help you pick out a shower door that will compliment your bathroom. Take a look at our gallery of shower door and bath enclosure pictures, as well as the link to explore the world of all the Agalite Shower & Bath Enclosure options. 

We provide shower doors for every single need, want and budget. Even on a tight budget, ALL Agalite shower door and tub enclosures are guaranteed for life. Shower doors are made up of many components, and Agalite Shower & Bath Enclosures are made of superior, high grade aluminum, that is extruded, not “roll formed”. If you are not familiar with the difference – a “roll form” is a process in which aluminum parts and pieces are manufactured using exactly that – formed out of a roll. This type of manufacturing is how so many shower door and window manufactures can keep the high cost of production down to a minimum. The result, is a shower door that is made up of parts and pieces, similar to a soda can. Agalite bath enclosures and shower doors are what is referred to as “extruded” aluminum. It is raw, liquid aluminum that is pushed through a certain cut out to form an extrusion, not a roll. As with every product we sell or service, we will measure your existing bath tub or shower that is in need of a new shower door, and provide you with options, design assistance and a fair and honest quote, and always FREE of charge.
Window Coverings 
What do YOU call them? Blinds, Window treatments, Window coverings, Shades, Curtains? People refer to “something to cover your windows” by all different  names, and we carry them all. Need a custom window covering for an odd shaped window? Finding just the right window coverings can be a challenge. We have a huge selection of custom window coverings available in many materials and colors. You're sure to find something to fit your style and budget. Whether you're interested in wood blinds, vertical blinds, roman shades, cellular shades or plantation shutters, or if you're not sure what kind of window coverings are right for you, we are happy to come to your home and provide you with options and pricing. 

For 70 years, our preferred manufacturers, Graber and Springs Window Fashions, have been providing beautiful, top-quality window treatments to help unlock your inner designer and bring style and sophistication to your home. Best of all, you can count on Graber, a Best Experience brand, to back up every window treatment with a 70 year tradition of excellence and a lifetime warranty. As always…estimates, quotes, and consultations are FREE. Request a quote now, or have fun browsing with our Virtual Decorator. 
Proudly Serving Flagstaff, Williams, Munds Park, and Sedona.
"Our workmanship is 100% guaranteed.
We don't believe in cutting corners or taking short cuts, 
and 'good enough' just isn't even close."
-THE ROCK Glass & Mirror Co. Owner, Certified Glazier, Damon Cundiff
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3830 E Huntington Drive #12
Flagstaff, Arizona 86004
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928.527.3333

Do you want the job done fast? OR do you want it done RIGHT with a LIFETIME warranty?

by Damon Cundiff on 06/04/14

This is the question people are posed with when getting a window repaired. Perhaps this has happened to you. You clean your window, inside, then out, but it still looks hazy. You realize the filmy haze lies between the panes of your dual pane window. You call a glass company and they tell you they can take it apart, clean it and put it back together for you today. Sounds great, right? What they aren't telling you is that without performing the work in a hermetic enviornment (which means super, super clean! free of dust, lint, and finger prints), and being properly sealed, it is likely that you will see such items in your glass and the seal probably fail again. 


At THE ROCK Glass & Mirror Company, we believe in doing things right the first time, even if it takes a little longer. We order all dual pane glass units from a factory in Phoenix that performs the work in the proper environment to ensure your glass is 100% clean, then seals the glass unit, not once, but twice. Because of that, is does take about a week, but it also allows us to warranty the seal on your glass unit for LIFE. We prefer to do things "the right way" even if it takes a little longer. As our company motto states "We don't cut corners, or take short cuts, and good enough isn't even close." To watch a video of dual pane units being made in the factory, go to our Window Repair page. We hope this helps you understand the dual pane window repair process better, and you can feel confident about how you choose to repair your window.

parts of a dual pane glass window fogged dual pane glass window unit

4 Reasons to Replace Windows in SPRING

by Damon Cundiff on 04/25/14

1) When the weather is warm, you're not thinking about how drafty and cold your windows are in winter, so most people forget about replacing their windows until it gets cold. We do replace windows in winter, but, yes, cold air will come in while we are working. Replacing windows in warmer weather is certainly more comfortable.

2) Many older windows don't open very well anymore. Enjoy easy open windows all Summer.

3) Older windows often have old screens with rips and holes. New windows come with new screens to keep flies, bees, and mosquitos out all Summer.

4) And the best reason of all, window installation is 20% Off until May 31st, 2014!

Don't get caught in the cold this year, call now for a free estimate (928) 527-3333


replacing old windows phil

To repair or replace? That is the question.

by Damon Cundiff on 02/06/14

Your dual pane window seems to have moisture between the panes of glass. Do you repair or replace your window? There has always been much confusion in this area for most people. Since I've always been a fan of a good analogy to help explain things, here we go. When your car break downs, no matter what make or model, or how old, your car can be repaired. Replacing the battery, the brakes, a belt, or your windshield, is “repairing” your car. Even though you “replaced” a part, ultimately you “repaired” your car.

Windows are no different. A window is made up of many different “parts” - crank handles, rollers, sashes, frame, spacers, and of course, glass. All of which, are parts that can be replaced, whereby repairing the window.

Back to the dual pane unit that has moisture between the panes - What to do? repair or replace your window? If you answered, repair, you are correct. Even though we will "replace" the dual pane glass unit  or "part" we are technically repairing your window. 

So, in what circumstances would you want to REPLACE your window? If, as we stated earlier, your window can always be repaired. Back to the car analogy...have you ever had an older car that needed so many repairs, you thought, "Maybe I should just get a new car instead of repairing my old car?" Same thing with windows. And just like getting a nice, fancy, comfortable, and, of course stylish, new car, window are the same way. New windows are more energy efficient, they open and close easily, and of course, they look nice and new. (Check out our window replacement page for more about how to select new windows, and to see our before/after photo gallery. Visit our window repair page for more about repairing your window.)

To repair or replace? That is the question. And only you can answer that. In most case, a repair is the best approach, but if you have older windows, you may want to consider a window replacement. If you want a little advice or a free estimate, just give us a call. Oh, and by the way, when you repair your dual pane window glass with us, it comes with a lifetime warranty against moisture.

window parts 


BEFORE - Old Metal Windows AFTER - New Vinyl Windows!

old windowsNew Windows


Lowest price guaranteed - What does that REALLY mean?

by Damon Cundiff on 02/06/14

As the owner of a small business, for years I struggled with “price matching.” If you offer a low price guarantee, do people translate your product or service as inferior, or of poor quality, or even worse...cheap? 


Since 1998, I have always made sure we have been very competitively priced, but we have never made an official statement of a low price guarantee for fear of giving the wrong impression of our products and service. Now that it is commonplace for people to read our 5 star reviews prior to a purchase, and the fact that we recently have increased our dual pane warranty from 10 years to a LIFETIME warranty (try to find that anywhere else!), we now feel more confident in providing customers with an official LOWEST PRICE GUARANTEE. We hope this will give people the added assurance of knowing for sure they have been quoted the lowest price that is always backed with top notch products, warranties, and outstanding service. 

So, to answer the question we started with, "Lowest price guaranteed - What does that really mean?" It means, if you show us a lower price, we'll beat it by 10%. AND we will not compromise on the quality of products or the service we provide. Period. 

That goes for everything we do. Whether you have broken glass, and are in need of a window repair, or are looking for a complete window replacement. If it’s a frameless shower door, or frameless tub enclosure to replace that old shower curtain, or maybe your blinds, window coverings or any other style of window treatments are way overdue for a facelift. From commercial plate glass, to replacement glass for your patio table, a mirror for your bathroom, or glass for a picture frame - we guarantee the absolute lowest price on everything we sell, big or small. 

One of our recent shower door projects - nice work Phil and Spencer!
shower door glass slider

Let's talk Shower Doors: Framed, Frameless, and Semi Frameless

by Damon Cundiff on 01/16/14

I have found this topic causes a bit of confusion. Sometimes when people hear the words Frameless Shower Door they assume there will be no frame - at all. The difference between a Framed Shower Door, and what we refer to as a Semi-Frameless shower door is - the door itself. 


A Framed shower enclosure will come with the door itself completely framed in aluminum. A Semi-Frameless shower enclosure will look almost identical to a framed shower enclosure, with all the same components. The only difference is the door will not be completely framed in aluminum. If you choose a semi-frameless shower enclosure of any style - meaning slider, or hinged, you will still have a bottom track that runs full width, wall jambs, and a full width header to stabilize the entire enclosure. A framed shower enclosure will be made up of either 5/32” or 3/16” thick glass. A semi-frameless shower enclosure will be made up of ¼” thick glass. 

If you want a truly “Frameless” shower enclosure, it must be made out of either 3/8” or ½” thick glass. When you upgrade to thicker glass, you are able to achieve an actual “Frameless” shower enclosure. If you choose to go with a hinged door, or if your opening is a little bigger and it requires you to have a hinged door and a fixed panel, though you will still need a couple of hinges and a handle, the rest of the enclosure will be truly frameless. There are more options available with a 3/8” slider, and we are able to eliminate a lot of the frame, but you still must have a header for the doors to roll on.

Below are some recent shower doors we have installed. We also have a variety of shower door options on display in our showroom. Just stop by and we'll help you design your new shower enclosure. 

Semi-Frameless Shower Door Enclosure (Yes, this is a Semi-Frameless Shower Door Enclosure, not Framed.)

framed shower door


Hi Zach! He's installing a Frameless Shower Door

frameless shower door installation

What home improvement will you do in 2014?

by Damon Cundiff on 01/08/14

Happy New Year to all! The question today is "What home improvement item have you been putting off that you will finally do in 2014?" Replace those old windows? Or perhaps finally get those nice wood shutters or grass shades you thought would look so nice in your living room, or finally turn your bathroom into a spa and replace that old ugly shower curtain with a nice frameless shower door? We decided to kick off 2014 with a little help for you. We have 20% OFF installation coupons on our website right now, good for window coverings, shower doors, windows, and glass. We wish you all the best in achieving your home improvement goals this year, and remember estimates are always FREE. Click here to obtain your coupon.

old window  BEFORE Window Replacement
new window AFTER Window Replacement

Frameless shower door
frameless shower door

NEW wood blinds!
wood blinds 

Best window coverings for patio doors?

by Damon Cundiff on 12/27/13

One of the most common window covering questions we hear is, “Do you
sell anything to cover my patio door?” When it comes to covering the inside of a patio door, we have many different options. The most popular way to provide some privacy to your sliding glass patio door, or French door is with vertical blinds.

Another very popular window covering for patio doors in Flagstaff is horizontal wood blinds. Horizontal wood blinds are a beautiful option for covering a French Door. Whether, it’s a single, double or multi-panel French Door, installing a single horizontal wood blind, or cellular shade is a stylish option, and YES, we carry them all. Call for an free in home consultation and we'll bring all your options to you, so you see what colors and styles will match your home best.

Window Covering Treatment Vertical Blind Patio Door

It's Not Too late!

by Damon Cundiff on 12/06/13

Hello Northern Arizona, and Happy Holidays!

Over the past 16 years of business here in Flagstaff, we can always count on hearing the same things this time of year. “It’s obviously too late now, but we have GOT to get our windows replaced next spring!” or "You guys don’t replace windows in this freezing weather, right?” 

It's a common misconception that we do not install Replacement Windows in the winter. In reality, more clients replace their windows in fall and winter, than in spring and summer. We have found, quite regularly, after that first cold spell or snow, people say “Brrrr! Let’s finally replace those windows! Is it too late?"

Of course, we do not remove existing windows if snow is actually falling, but cold temps are not a problem. The polyurethane caulking we use is 100% guaranteed way below temperatures we will ever get here in Flagstaff (thank God!).

So there you have it. It’s not too late! If you have cold, drafty windows and doors, we can replace them and help keep you warm THIS winter. As usual, estimates are always free. So, give us a call today and let's see if we can make your winter a little warmer.

Window Replacement New Install


We Have A Blog!

by Damon Cundiff on 11/18/13

It's November 18th, and we have started a blog! We are very excited to start conversations with you about "All Things GLASS". We'll be blogging about the questions our techs hear from customers while they are working on windows and shower doors. We'll also show you some of the great work our guys are doing by showing you before and after pictures of glass installs. We'll show you what's popular in terms of shower door and window covering styles. Plus lots more! If you have any questions, comments, and anything you want to discuss, please comment below, or call us directly. Thanks everyone, we'll be back soon!

Mirrors shower doors windows coverings image

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Check out our BLOG below for expert tips on:

Frameless and Semi-Framelss Glass Shower Doors
Window Glass Repair
Replacement Windows
Popular Blind & Shade Styles
shower door installation semi frameless oil bronze

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and "good enough" isn't even close.

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