Step 1: Diagnose Before Ordering
During the estimate, we check each unit for operation, seal failure, rot and air leakage, and look for signs of water damage on interior walls below windows. The findings determine whether each opening gets an insert or a full-frame window replacement, and they're noted on your estimate so nothing is a surprise later.
Step 2: Check the Opening for Square and Level
Once the old unit is out, we measure the opening diagonally and check the sill for level. Houses settle over time, and an opening that's out of square will cause sashes to bind and seals to wear if the new unit is simply forced in. We correct with shims and, where needed, framing repairs so the window sits true.
Step 3: Layered Sealing Against Air and Water
We use a layered approach: a sloped sill pan or flashing at the bottom, flashing tape lapped shingle-style at the sides and head so water always runs outward, low-expansion foam in the gap between the frame and wall, and exterior sealant at the trim. Proper replacement window flashing is the part most often skipped by rushed installers and the part that matters most in heavy rain.
Step 4: Final Operation Check
Every window is opened, closed and locked; every door is swung, latched and checked for even weatherstripping contact. We adjust hardware as needed, clean the glass and walk through each unit with you before we leave.
Why Waiting Can Cost More, and How We Price
Small leaks around old windows can rot framing and sheathing over time, turning a simple replacement into a larger repair. Our written estimates itemize products, installation method and any repair work so you can see where the money goes. See our storm-ready window and door options for Tupelo or the Lee County exterior services page for more.
Common Questions
Why choose Tekton Exteriors for window replacement in Tupelo?
As a licensed and insured contractor, we install with our own crews and use the same inspection, flashing and testing steps on every opening.
What happens if you find rot after removing the old window?
We stop and show you the damage, explain the repair and its cost, and only proceed once you approve. Small sill repairs are common; larger framing problems are less so.
What materials do you recommend?
Vinyl and fiberglass windows perform well in Northeast Mississippi heat and humidity, and fiberglass entry doors resist swelling and rot. We'll match materials to your budget and goals.
How do I get a free estimate?
Phone our office or fill out the quote form. We'll inspect each opening and give you a written estimate.