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TRUSTED BY JOHNSTOWN, CO HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon292
    Verified door services reviews

Top-Rated Door pros in Johnstown - Updated Nov 2026

Avatar for Cransten Remodeling
Cransten Remodeling
4.5(
209
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair - For Business+2 more

Serving Johnstown, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Joseph Donabella was the handyman that came and fixed my front door. I have not been able to use my deadbolt for years. Joe took the door off and refit it properly so I can now use my deadbolt again. My door knob lock was also sticking. After he checked it he said I needed to replace the door knob due to its age and suggested I go to a hardware store so I can get the new knob and get it rekeyed to my current key. He was very pleasant and professional. I would work with him again."
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+18

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Flawless Results, LLC
4.2(
31
)
Doors (Exterior) - Install or Replace

Serving Johnstown, CO and surrounding areas

Approved

In business since 1994

Free estimates

Credit card accepted

"I want to thank Jacob Tryon for selling me my Provia windows and sliding glass door. I want to thank the crew that installed them: Lorenzo, Ernesto, Pablo, Jonathan and Edgar. The crew removed and replaced 9 windows and a sliding glass door in 1 day! I also want to thank the 2 gentlemen that came and replaced the stucco, painting and replacing of my bars on my home. All the way through the whole process I was pleased with the professionalism. Everyone answered all my questions along the way. My Provia windows have more features then I knew. I absolutly LOVE them! I would recommend Flawless Solutions to anyone. I have already talked to some of my neighbors that asked about my new windows and my family."
Recommended by81%of homeowners
Quality Woodworking, LLC.net
4.5(
20
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair+1 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quick response

"Very competent, honest, and knowledgeable in all areas of construction and codes - predicted issues before they came up. Came well prepared. It cost me more than I had hoped because I had not realized the change in support structure required or the complexity of the existing structure. It was still considerably cheaper than other bids and his bid was very detailed. Very good work and exhibited great care in not damaging anything else. Best carpenter I have used in Colorado and probably the best I have talked to. I would use him for anything he thinks he could handle. I trust him and his work."
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+10

Recommended by92%of homeowners
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Doors FAQs, answered by experts

The most common rough opening for a sliding glass door is 60 inches to 72 inches by 80 inches. A rough opening is the unframed space where your door will go.

At the minimum, you want your pet door to fit into its intended location, be the right size for your pup, and have energy-efficient and weatherproofing features. Besides that, you’ll also need features that are unique to your situation. If you live where raccoons run rampant, you should look into doors you can open remotely. If you have small children in your home, you might need a door that only responds to your dog’s collar.

Yes, door hinges can sag over time. This usually happens due to things like repeated use, loose screws, worn hinge pins, or the door's weight pulling on the frame. When hinges sag, you'll often notice the door sticking, dragging, or not latching properly. Tightening the screws or replacing worn parts can usually help to realign the door.

Installing a dog door into an existing door is a quicker, easier project than installing one in a wall. Installing a pet door into a wall requires cutting through your home’s drywall, ensuring no pipes or wires are cut, and sealing the new opening so as not to compromise the safety and stability of your home’s walls, all of which may be a bigger project than many homeowners are looking to undertake.

To maintain a door and prevent future issues, regularly clean it, check and lubricate the hinges and locks, inspect the hardware, and check the weatherstripping for signs of wear to prolong its lifespan and functionality.

The Johnstown, CO homeowners’ guide to door services

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