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Window Lab provides professional door installation and door replacement across Nassau and Suffolk County, Long Island. Based in Babylon, we install secure, stylish doors with clean finishing and long lasting performance.
Get Your Free Door Estimate
Trusted door services for Babylon and all Long Island.
New Door Installations
Installed For Secure Fit
Window Lab provides professional door installation for Long Island homeowners who want better security, improved insulation, and a fresh look. Whether you are installing a new front entry door, patio door, or exterior door, correct installation is essential for performance and durability. A properly installed door prevents air leaks, protects against moisture, and helps your home stay comfortable year round.
Our team ensures accurate measurements, proper alignment, and smooth operation from day one. We install doors with clean finishing and strong sealing so they look great and function perfectly. Based in Babylon, we serve Nassau and Suffolk County with reliable scheduling, honest estimates, and workmanship you can trust.
Replace Old Doors
Upgrade Style And Security
If your door is worn, sticking, drafty, or no longer secure, door replacement is a smart investment. Window Lab helps homeowners across Long Island replace outdated doors with modern options that improve curb appeal, safety, and energy efficiency. A new door can also reduce outside noise and make your entryway feel stronger and more polished.
We remove old doors carefully, inspect the frame, and prepare the opening for a proper fit. Then we install and seal your new door to ensure smooth closing, secure locking, and weather protection. Whether you need one door replaced or multiple upgrades, we deliver clean results and a stress free process.
How We Work
A Smooth Door Upgrade Process
Door installation should be simple and professional. Window Lab follows a clear step by step process to ensure your door fits correctly, locks securely, and looks great. We handle everything from estimate to cleanup.
Consultation and Quote
We review your door needs, inspect your current entryway, and recommend the best door options. You receive a clear quote with pricing, timeline, and installation details with no hidden fees included.
Accurate Measurements
We measure the opening and confirm sizing, swing direction, and hardware needs. This step ensures the door fits correctly, seals properly, and operates smoothly after installation.
Installation and Final Check
Our team removes the old door if needed, installs the new door securely, and seals everything properly. We test operation, confirm locking, and leave the work area clean before we leave.
Frequently Asked Questions
Thinking about installing or replacing a door in Long Island? These FAQs cover what most homeowners ask before starting. For recommendations based on your home, Window Lab is ready to provide a free estimate.
Replace your door if it is drafty, difficult to close, has visible damage, or the lock feels weak. A new door improves security, insulation, and appearance.
Yes. We install and replace entry doors, exterior doors, and patio doors. We help you choose the right option based on function, style, and budget.
Most door replacements are completed in a few hours. Complex framing issues or multiple doors may take longer. We confirm the timeline during your estimate.
Yes. We serve Nassau and Suffolk County, with priority towns near Babylon including Lindenhurst, West Islip, Bay Shore, Deer Park, Copiague, and surrounding areas.