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12/08/2016
By: Bob T.
Gravina's Window Center of Littleton
Not sure about all these negative reviews here but we had a great experience with Gravina's. Some close friends referred us and we couldn't be happier with the choice. when we do projects like this we do it right from the beginning . The other quotes were a little lower in price but we knew the reputation Gravina's head which is the reason we went with them .
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04/08/2017
By: Paul M.
Gravina's Window Center of Littleton
Awesome from start to finish. Our job went great! Mike and Justin handled the order from the start. The job was done well with attention to doing it right and to my liking. Gravina’s replaced 8 windows on one side of my house and did a terrific job, so I hired them to replace the siding next.
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08/11/2017
By: Ruby K.
Gravina's Window Center of Littleton
Love our new windows. Happy to buy from a local window company also. Jim and Mike came out and were responsive to our needs. We ended up doing all the windows at once after they explained how the installation would go. Very thorough in their knowledge of windows and the Colorado climate.
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03/08/2017
By: Barry W.
Gravina's Window Center of Littleton
We chose Gravina's in Littleton because they are local and family owned still. our neighbors referred them and they have been spectacular to work with. we like to Mike and Justin's attitude as opposed to Andersen's hard-sell technique which we found offensive.
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05/16/2017
By: Katie W.
Gravina's Window Center of Littleton
This family run company goes out of their way to extend the highest level of customer service and a quality product! Trustworthy and reliable!!
Tips & Advices
Windows that open from the top are safest for children, assuming the child can't reach the opening. Parents who have windows that open from the bottom or sides can childproof them with wedges or window guards.
  • How long have you been in business?
  • Do you have any references or past work I can see?
  • Do you provide free estimates?
  • How much will the project cost?
  • When will the project be completed?
  • Is the crew hired or contracted, and do you conduct background checks?
  • Who will be in my home?
  • Do you offer a warranty?
Not necessarily. Unless all the windows are equally damaged or pose equal danger, homeowners can stagger their replacements to suit their budget.
  • Wood frames are beautiful and can be customized with paint and stains, but they also expand and contract as the weather changes. They're also susceptible to rot, mold, and pests. As such, wood frames require constant maintenance.
  • Vinyl frames are far more durable than wood. They resist moisture and are usually created with ultraviolet light stabilizers. This prevents the sun from damaging the frames over time. In addition, vinyl frames can be filled with insulation.
  • Aluminum frames are light and weather resistant, but they also conduct heat rapidly.
  • Fiberglass frames are the sturdiest option. Like vinyl options, they can be filled with insulation. Fiberglass frames also resist weather damage and do not crack, peel, expand, contract, bend, or warp.
Single-pane windows use one sheet of glass. Double-pane windows use two sheets of glass held together by a sealant. A small space between the panes is filled with air or gas to minimize the transfer of heat. Triple-pane windows add another sheet of glass and insulating space.

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