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  • Verified reviews icon152
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Avatar for GS Exterior Experts Corp.
GS Exterior Experts Corp.
5.0(
26
)
Vinyl Siding - Install or Completely Replace

Serving Boulder, CO and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

"Had my entire home changed to James Hardie siding with GS Exterior Experts and was incredibly happy with the whole job from initial quotation in 2020 to finally getting the job completed in April 2024. Ernest Lopez was fantastic to work with up to signing with planning and color schemes, and Oswald and his team were fantastic as well during the install. The installers were very detail orientated and that resulted in a finished product that makes the home look great. Would highly recommend them for those interested in Hardie siding."
woodtone board and batten
James Hardie siding
fiber cement
hardie board
rustic

+7

Response time2 days
Response rate85%
40 neighbors recently requested a quote
Avatar for Insulation Station Limited
Insulation Station Limited
4.9(
28
)
Blown-In Insulation - Install or Upgrade

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"If I had to do this again, I would hire this company. Good people that knew what they were doing. Good price based on all the work they had to do. I had a mix of blow-in services. Blow in the wall where there was no insulation in the garage - that's hard work to get it in there right. The quote came with a person to come back and patch the wall holes, that was nice. In the attic they added insulation and sealed up some penetrations. This part went pretty quickly and I'm looking forward to lower heating and A/C bills."
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+20

Response time1 day
Response rate98%
98 neighbors recently requested a quote
Avatar for Trust Us Insulation
Trust Us Insulation
5.0(
20
)
Blown-In Insulation - Install or Upgrade

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Offers commercial services

"Gio and his team did an excellent job and showed pride in their work. They removed and installed the house and garage insulation. They made sure to leave our house clean when they left each day. He also found a way to fix a wall problem we had. Good job Gio. I would recommend Trust Us Insulation to anyone."
Exterior top plate
Re-insulating attic
Re-insulating attic
Re-insulating attic
Exterior top plates

+10

Response time9 hrs
26 neighbors recently requested a quote
Recommended by38%of homeowners
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Eifs Installers questions, answered by experts

Yes, you can install a bay window in an existing house. You’ll need to have a structural engineer draw up plans to add the necessary support to your exterior load-bearing walls and a general contractor to make the changes to the framing around the new wall opening. This will cost an average of $3,000. After that work is done, a window installer can set the new bay window in place.

There are a range of egress window types available, including:

  • Single-hung: $100–$400

  • Double-hung: $250–$500

  • Horizontal/sliding: $150–$800

  • Casement: $200–$500

  • In-swing: $350–$700

When choosing a type of egress window, consider how you’d like to open it. For example, double-hung egress windows open from top to bottom and let plenty of fresh air in, whereas sliding windows slide open for easy access.  

Most professionals can install a window well in two to three days, depending on the size of the well and the window you want inside it. If you’re just replacing an existing window well, the work is much less intensive, and most experts can get the job done in just one day. Connecting the window well to a drainage system or installing a custom concrete window well will naturally take longer, but even the most complicated installations shouldn’t take more than three days.

The average cost to install an egress window is approximately $3,900, with a typical range between $2,500 and $5,300, though costs can be higher. The final price is influenced by several factors, including the window's size, type, material, and glass quality. Other variables include labor costs, location, excavation needs, and whether permits or a structural engineer consultation are required. The price of the window itself often depends on the number of panes:

  • Single-pane: $100–$400

  • Double-pane: $200–$500

  • Triple-pane: $300–$800

Additional features like window wells or covers will also increase the total project cost. It is advisable to obtain multiple quotes from professionals to get a comprehensive understanding of the expenses for your specific project.

Egress windows require regular maintenance to ensure they function correctly. This includes cleaning the glass, inspecting the frame and well for debris, and making sure the cover or well drains properly. It is also important to check that the window sills and wells are watertight and to inspect and repair any damage to the window frame or seals to prevent leaks and maintain functionality.

The Boulder, CO homeowners’ guide to eifs installation services

From average costs to expert advice, get all the answers you need to get your job done.