Windows, Doors & Glazing · Property Services
Sliding & French Door Installation
Sliding and French doors connect the house to the yard and bring in light, but they are also large openings that can leak air and water. Replacing them well means getting the frame, flashing and threshold right. NorTech connects you with vetted licensed contractors who set their own price and install doors that operate smoothly and stay sealed.
Need more hands? Pick a company that sends crews and choose how many technicians. Want a second pro for a different job? Add one right after you book.
Slider, French or glass wall: choosing the style
Sliding doors save space and are easy to operate, and modern ones have good seals and large panes of glass. French doors open on hinges, create a classic look and give a wide opening when both doors are swung open. Multi-panel and folding systems turn an entire wall into an indoor-outdoor space, but they need careful design and structure. The contractor discusses swing clearance, screens, furniture, wind and how you use the patio before you choose.
Frames, glass and security
Vinyl is affordable and insulated, fiberglass is strong and holds paint and wood gives a rich look with more maintenance. Glass options include low-E coatings, laminated safety glass for security and tempered glass as required by code. Locks and handles vary from basic to multi-point locking systems that pull the door tight at several points. Ask the contractor about impact ratings, security features and how the threshold is sealed against rain. Ask for a sample of the hardware finish and the handle style, since locks and pulls are what you touch every day and are hard to change later.
Installation details that prevent leaks
A door is usually installed on a sill pan or flashing system that directs any water out. The contractor checks the subfloor and framing for rot, which is common under old sliders, and repairs it before the new door goes in. The unit is shimmed, fastened and sealed, and the track is adjusted for smooth operation. After installation, test the door, the lock and the drainage holes. Keep the track clean and lubricated, and note the warranty terms for glass seals and hardware.
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