Professional Window and Door Installation

Serving Denver & Surrounding Areas

Why Proper Installation Matters

Quality windows and doors only perform as well as their installation. Correct measuring, leveling, fastening, and sealing prevent air leaks, water intrusion, and premature wear that can lead to drafts, sticking, condensation, or costly repairs.

A professional installation also protects the surrounding structure. Proper flashing, shimming, and insulation help maintain the integrity of framing and interior finishes, reduce noise transmission, and support smooth operation of locks, hinges, and hardware for years.

Gen’s Remodeling handles window and door installation from start to finish, including removal of old units, disposal, opening preparation, and precise setting of new products. We work with common window types such as single-hung, double-hung, casement, slider, picture, bay, and specialty shapes, as well as entry, patio, storm, and interior doors.

Each project includes careful alignment, secure fastening, insulation around the frame, and professional-grade sealing to reduce drafts and moisture risk. We also verify smooth operation, confirm consistent reveal lines, and finish with clean trim transitions for a polished look.

We start with an on-site evaluation to confirm sizing, product compatibility, and any framing or moisture concerns. Accurate measurements, assessment of existing openings, and review of your goals help ensure the selected window or door fits correctly and meets performance expectations for insulation, security, and style.

On installation day, we protect adjacent flooring and finishes, remove the existing unit, and inspect the rough opening for damage or structural issues. We correct out-of-square conditions when possible, then set the new unit using proper shimming and fastening patterns to maintain plumb, level, and square alignment.

After setting, we add insulation around the perimeter, apply appropriate flashing and sealants, and test for smooth operation and secure locking. The final walkthrough covers care and maintenance, warranty documentation, and verification that the jobsite is left clean and ready for everyday use.

Remodeling services in Denver, CO
Remodeling services in Denver, CO
Remodeling services in Denver, CO
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Choosing The Right Windows And Doors

In Denver, temperature swings, sun exposure, and seasonal moisture make performance features especially important. We help you compare frame materials (vinyl, fiberglass, wood, or composite), understand durability and maintenance needs, and select finishes that match your home’s architecture.

For Denver homes focused on energy savings, we review glass options such as double or triple-pane, low-e coatings, gas fills, and warm-edge spacers. We also discuss proper U-factor and SHGC targets, along with installation details like air sealing and flashing that ensure the rated performance is achieved in real-world conditions.

Denver homeowners often prioritize both comfort and safety, so we also evaluate security and functionality features. Options may include reinforced frames, multi-point locks, impact-resistant or tempered glass where needed, upgraded thresholds, and tighter weatherstripping to improve both protection and day-to-day usability.

Locally Owned

20+ Years Experience

Free Estimates

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Kitchen and Bathroom Remodeling
Basement Remodeling
Window and Door Installation
Painting
Drywall
Plumbing and Electrical
Remodeling services in Denver, CO
Remodeling services in Denver, CO
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