Door Installation in Gainesville, VA.
Your front door is the first thing guests see and your first line of security. Nexa Exteriors installs entry, storm, and patio doors in Gainesville with proper flashing, insulation, and weatherstripping.













How much curb appeal does a new front door add in Gainesville?
A new entry door is one of the most noticeable upgrades for a Gainesville home. It changes the look of your front, improves security, and seals out drafts. Nexa Exteriors installs fiberglass and steel entry doors, storm doors, and patio doors.
Door Installation for Gainesville homes
Gainesville's fast-growing neighborhoods include homes reaching the age where builder-grade roofs need replacing. Local permit rules come from Prince William County Development Services, and we check and pull any permit your job needs.
What's included
- Door selection and measurement
- Removal of old door and frame as needed
- Flashing, insulation, and weatherstripping
- Hardware and lockset installation
- Trim finished inside and out
- Full cleanup

Your inspection is with Sal, the owner.
No high-pressure salespeople. Sal walks your roof, shows you exactly what he finds, and gives you honest options and a written estimate.
Book with SalDoor Installation near Gainesville
More services in Gainesville
- Roof Replacement in Gainesville
- Roof Inspections in Gainesville
- Storm Damage Roof Replacement in Gainesville
- Siding Replacement in Gainesville
- Gutter Installation in Gainesville
- Gutter Replacement in Gainesville
- Window Installation in Gainesville
- Window Replacement in Gainesville
- Door Replacement in Gainesville
- Insurance Claim Assistance in Gainesville
All Gainesville services → · Door Installation across Northern Virginia →
Door Installation in Gainesville: FAQs
Fiberglass or steel entry door?
Fiberglass resists dents and rust and can look like wood. Steel offers strong security at a lower price.
How long does door installation take?
Most entry doors are installed in a single day.
Do you install patio and sliding doors?
Yes, including sliding and hinged patio doors.
Do I need a permit for a new door in Gainesville?
Usually not for a same-size replacement, but changing an opening may require a permit through Prince William County Development Services.
See what your neighbors are saying.
“I had 8 other contractors come out but I couldn't just trust anyone and then Sal the inspector/owner came out and was very friendly, easy to get along with and kept all of his promises. They did an amazing job, gave me a competitive price… They cleaned up and did the job in less than a day.”
“Sal came out and showed us several options and pricing. Once we signed our contract we had our roof done within a few weeks. The crew was fast, clean and professional.”
“Sal was a great contractor to work with. I requested a quote, he called right away and scheduled an appointment. Very competitive pricing, great communications! Highly recommend.”
Read all our reviews on Google → Some reviews mention our former name, My Exterior.
Get door installation in Gainesville.
Get a free inspection and a written estimate. A 25-year warranty on workmanship and a lifetime warranty on materials. Peace of mind, guaranteed.
703-705-7224Monday–Friday: 8:00 am – 7:00 pm
Saturday: 9:00 am – 4:00 pm
Sunday: Closed
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