What We Cover
New Windows, Doors & Weatherproofing
We handle removal, installation, trim work, and sealing so your home is tight, comfortable, and finished looking.
Window Replacement
Double and triple pane options properly sized, fitted, and finished with trim
Entry Doors
Steel, fiberglass, and wood options — installed with frame, hardware, and weatherstripping
Patio & Sliding Doors
French and sliding door installs for back entrances, sunrooms, and deck access
Weatherproofing
Sealing, trim finishing, and caulking around every unit to keep drafts and moisture out
Our Process
How We Work
We keep you informed and involved at every stage. No surprises, no pressure, just work done right.
Consultation
We start by learning about your project, your space, and what you want to improve. No obligation, just a real conversation.
Planning & Estimate
We review the scope, discuss your options, and provide a clear written estimate before any work begins.
Careful Construction
We do the work with attention to detail, consistent communication, and genuine respect for your home.
Final Walkthrough
We review the completed work together, address any final details, and make sure you're satisfied before we wrap up.
Frequently Asked Questions
Common Questions About Door & Window Installation
We want you to feel confident before, during, and after your project. Here are answers to the questions we hear most.
Individual window replacements typically take a few hours each. A full-home window job or multiple door installs usually takes 1–2 days. We work efficiently to limit how long your home is open to the outside — and every unit is sealed before we leave for the day.
Yes — every project starts with a clear written estimate. We review the scope with you, discuss your options, and make sure you're comfortable with the plan before any work begins.
Yes — every window and door we install is fully weather-sealed and lockable before we leave. We don't leave any unit partially installed or open overnight. Your home is secure and protected at the end of each workday.
Communication matters to us. We keep homeowners informed at each stage of the project — if questions come up or anything changes, we'll let you know right away rather than leaving you to wonder.
Yes. GR Improvements is a licensed remodeling contractor serving Maryland and Washington, DC. We carry appropriate insurance coverage for the work we perform.
Ready to Replace Your Doors & Windows?
Reach out for a free, no-obligation estimate. We'll come to you.