Auto Glass and Custom Glass Services

Complete auto glass replacement and rock chip repair for all makes and models

Specializing in Classics, Customs, and Exotics, Autos, RVs, Boats, Heavy Equipment, and Tractors

R & I specialist of glass and trim for body repair and paint


  • Windshields, side glass, back glass, sliders, sunroofs and mirrors.
  • Window lift assemblies including motors and minor lock repair.
  • OE (original equipment) and premium aftermarket parts only.
  • I don't use cheap inferior parts in my vehicles and I won't use them in yours.
  • Every installation done to industry standards and guidelines. I never cut corners or compromise your safety.

Porsche Carrera75 Toyota Celica GT39 Ford Coupe-all new glass and window liftsBMW Alpina B7 turbo- factory windshield


 Windshield Repair

  • Save time and money by repairing that rock chip instead of replacement.
  • Restore structural integrity, improve visual clarity by approximately 90% or more, maintain original factory seal, and help reduce landfill waste.
  • Most insurance companies will waive your deductible for rock chip repairs, resulting in NO OUT OF POCKET expense to you.
  • Approximately 30-45 minute repair process.
  • I have been using the Glass Medic windshield repair system, along with the best UV stabilized resins available, for 25 years with a 99.9% success rate.
  • Location, age, temperature, and size of break determine success of repair.
  • Don't wait, see if your windshield can be repaired today.

windshield chip repairrock chip repairwindshield repairchip repair

Headlight Restoration & Mirror Replacement

  • Your windshield isn't the only thing those pesky rocks damage.
  • Years of wear and sun exposure pit and haze the plastic lens on modern headlights reducing light output, which reduces visibility and safety at night.
  • Depending on the amount of wear, it typically takes me 60-90 minutes per light to refinish with my 10 stage process.
  • You can attempt to polish the headlights yourself with a store bought kit or have one of my competitors do their quick polish and wax job. Unfortunately you will not get the same level of clarity and protection and it will only last a few months before scratching and yellowing again as soon as wax washes off.
  • Have me do your headlight restoration and reapply the important UV hardened clear coat that will last for several years like the factory original coating.

headlight restoring polishheadlight restoration


Damaged side mirrors and housings are easily replaced with a whole new factory original assembly. I'll save you money compared to dealer rates on installation.

If just the mirror itself is damaged I prefer to use quality Burco replacement parts, saving you time and money.  BURCO

If your rearview mirror bracket comes unglued from your windshield, call me. I can re-glue the bracket back to your windshield in minutes.

side mirrorsideview mirror

Removal & Re-installation of Glass for Body Repair & Paint

I have 25 years experience with R & I of glass and molding trim, working for various high end body repair shops.

My ability and reputation to remove parts with little or no damage to glass, moldings, or paint is highly sought after. The less damage to glass or paint for blend panels results in a savings to insurance companies and faster repair times for the body shop.

I work side by side with body shops to make the repair process as smooth as possible by keeping them fully informed of the job status, any parts needed, and the ability to quickly supply replacement glass if damaged during collision.

Custom Cut Glass for Classics, Customs & Heavy Equipment

Glass on classic cars typically has flat laminated glass. Beginning in the 1950's, curved windshields and back glass became popular while flat glass was still used for side windows. In the 1970's, curved tempered side glass replaced flat glass and has now become standard.

I can cut custom pieces of glass to duplicate your old piece or create a pattern for replacement as well as making changes to your existing glass for your projects specific needs. Clear, green, or smoked glass is available for your project.

Heavy equipment such as tractors, graders, excavators and trains typically have flat laminated glass that is easily made on-site along with new gaskets if needed or I can install a new factory part if needed.

Excavator glassCase tractor glassKubota tractor new windshield glasscustom glass
classic auto glass

Direct Insurance Billing

I am an approved and recommended insurance network affiliate shop and can handle all of your insurance claims and will direct bill the insurance companies for payment, minus any applicable deductible you may have. 

I will work hard on your behalf to make sure your insurance company authorizes the best available replacement parts for your vehicle, restoring it to factory condition.

When you call your insurance company to make a claim, be sure to tell them you choose to use the best, DempsterGlass!!

Mobile Service To Your Home Or Work

Servicing the Flathead Valley: Whitefish, Columbia Falls, Kalispell, Big Fork, Lakeside, Polson, Ronan, Eureka, West Glacier, and adjacent cities

I also go to Browning, Libby and Thompson Falls area monthly.

I provide mobile service to you for your convenience. Winter time requires use of your garage and preferably heated. Spring and fall need cover from the rain at a minimum.


Dempster Glass Licensed Windshield and Rock Chip Repair

Family Owned in Kalispell

Dennis Dempster is a Nationally Certified AGSC Technician with Over 34 Years of Experience!

Your decision to choose an auto glass technician shouldn't be based on who says they're the cheapest. It should be based on who will do factory quality work with the best available parts and factory approved techniques every single time. Your glass is a vital component in the structural integrity of your vehicle in a collision. I am a nationally certified Auto Glass Safety Council technician.

Your safety is my  #1 concern.

Auto Glass Safety Council Certified in Kalispell Montana

Contact Dempster Glass

Proudly serving the Flathead Valley, including mobile service to your home or work and other areas available by request.

Service Areas Include: Kalispell, Whitefish, Columbia Falls, Bigfork, Polson, Lakeside, Somers, Polebridge, Browning, Libby, Eureka, Ronan, West Glacier and more by Request.

(406) 257-1908

Monday - Friday  8am - 6pm
Evenings, Weekends Available by Request

Quoted pricing is for cash/check payments.
There is a 3% transaction fee for credit/debit card payments.

Dempster Auto Glass Servicing the Flathead Valley
Licensed, Insured, Nationally Certified

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Phone: (406) 257-1908

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341 Cabin Way
Columbia Falls MT 59912