(928) 890-8489








With Over 45 Years

Combined Experience


Safety & Window Installation

Safety & Window Installation

When working with windows, you will likely need a ladder for installation. Before you begin, make sure that your ladder is strong and secured. It may be a good idea to have someone to hold the ladder while you are working. This will ensure that the ladder will not sway and will give you a better sense of safety when someone that you trust is helping. Check to make sure that the ladder is not broken or the steps are not weak. If nails are protruding or anything appears damaged, fix it immediately before attempting to climb up.

Selecting Windows

When selecting the perfect windows for your home, consider purchasing a product that has a warranty and always purchase from a reputable dealer. Ask questions and never leave the sales floor until they are all answered with certainty.

Installing New Windows

Be sure that you purchase the windows that you want to install prior to making the opening in your wall. Windows fit in the rough opening of the wall framing, which should be slightly larger than the window to allow for a good fit. Your new windows should have detailed instructions, which dictate the size needed for an opening and other important information. Be sure to read the instructions carefully prior to beginning installation of your windows.

The first thing that you will need to do, when purchasing new windows, is to make sure that they are not cracked or broken. When you’re ready to begin installation, determine the width that you need for an opening with a measuring tape. Mark every stud in that area, which should allow for the opening between them. Mark the top and bottom of the rough opening and cut through the studs while being careful not to cut into the sheathing.

The next step is to cut the opening by drilling a hole into each corner. You will need a good pair of safety goggles, dust mask and possibly hearing protectors. Carefully proceed to make the opening. Again, following your instructions, carefully build the opening using the same size lumber as the wall studs.

When you’re ready to put the window into place, check to make sure the measurements of your opening match with that of your windows. It helps to have a friend of family member help by holding one side of the window while you work on securing it to your home. Level the window before tipping it away from the opening just enough to add professional quality caulking and pressing the window against the wall.

Now that you’re window is in place, secure it with nails into the corner of the window and into the wall. Next, plumb the window. Once the window is straight, secure it with another nail. Install the sashes and confirm that they are working properly by opening and closing them several times. Follow the steps and continue nailing your window until secured. If the sashes are not working properly, the window may need to be positioned differently.

Once you’re ready to seal the window, begin working around the outer edges while filling the gap with caulking. Seal the gap between the jambs and rough opening and get ready for interior casing.

Replacing Broken Windows

Replacing broken windows is an easy project and one that can be done in about an hour. Begin by removing the old putty with a putty knife while being careful not to damage the wood. Once the glass is out, lightly scrape the wood underneath the glass until it’s clean of any material. Prime the surface, which will help to keep moisture from getting into the wood and weakening your work. Next, create a cushion for the glass using glazing compound and mold it with your fingers. Gently press the glass into the compound and secure it with a putty knife. Finally, place another line of glazing compound to seal the window and allow it to dry before adding new paint.

Wednesday, 08 February 2017
Twin Peaks Glass

Twin Peaks Glass

We have been in the service of glass installation in Flagstaff with a combined experience of 45 years. Mike is an avid outdoors-man and a 20 year veteran of the glazing trade. Tim is an alumni of the University of Arizona and has been in the glazing industry for 25 years.

Are You Ready for Your Next Project?

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Our Service Areas

  • Flagstaff
  • Munds Park
  • Cameron
  • Holbrook
  • Winslow
  • Leupp
  • Tusayan
  • Grand Canyon Village
  • Williams
  • Bellemont
  • Seligman
  • Ashfork
  • Leupp
  • Sedona
  • Village of Oak Creek
  • Camp Verde

Pertinent Information

Pertinent Information


Hours of Operation


Mon-Fri 7am-5pm
Sat & Sun By Appointment Only

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Phone - (928) 890-8489
Email - @twinpeaksglass

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Client Testimonials

  • “As a hotel business we rely on a quick fix for our guest rooms, Twin Peaks has been great about performing the measurements and installation with friendly service to ensure our rooms are back on line in a timely manner."

    - DoubleTree

Arizona Glass Installation

(928) 890-8489