Why Lewisville windows fail where they do
Lewisville isn’t a town of small bungalows. It has a higher concentration of homes over 3,000 square feet than most of Forsyth County, and those larger custom homes — concentrated in the newer subdivisions north and west of the historic Shallowford Road core, and out toward Pfafftown — carry a lot of glass. Big window walls, transoms over front doors, bay and bow assemblies, and gable-end picture windows that builders specced for the view.
That glass sits on lots that are often rolling and less canopied than the heavily-shaded older Winston-Salem neighborhoods. More open exposure means more direct UV, more wind-driven rain, and more thermal cycling on the south and west elevations. When Lewisville windows fail, it usually shows up as failed seals (foggy glass between panes) on those sun-baked exposures first, drafts at the corners where the original builder foam compressed and pulled away, and water staining at the sill where a builder-grade install never got a proper sill pan.
The install is what actually matters
The window industry sells you on the glass — U-factor, low-E coatings, argon fills. All of that is real, but it matters far less than how the window goes in. A premium triple-pane unit installed foam-and-pray will underperform a mid-grade double-pane window that’s flashed and air-sealed correctly.
Every window we set in Lewisville gets the full sequence: pull the old window completely, inspect and repair the rough opening (sill rot is common under older builder windows), install a sill pan so any water that gets in has somewhere to drain, set the unit plumb-level-square on shims, flash the head and jambs with peel-and-stick lapped over the nail fin, tape into the house wrap, full-perimeter low-expansion foam, then interior trim and exterior caulk. It’s slow, the homeowner never sees most of it, and it’s the entire reason the window performs as rated ten years out.
Matching the window to the Lewisville home
- Vinyl — premium frames from Pella, Andersen 100 Series, and Marvin Elevate. The right call for most full-house replacements on the production-built subdivision homes.
- Wood-clad — wood interior, fiberglass or aluminum exterior. The premium choice for the higher-end custom homes where painted interior wood matches the trim package.
- Fiberglass — Marvin Essential and Andersen 400 Series. Doesn’t warp, rot, or expand with temperature. The pick for owners staying 20-plus years, and a good answer to Lewisville’s high-UV, open-exposure lots.
For the Triad’s Climate Zone 4, we recommend a U-factor of 0.30 or better and an SHGC of 0.40 or lower on west and south elevations — exactly the exposures that take the beating out here. We also install Velux skylights and sun tunnels, which are a frequent ask on the vaulted great rooms and bonus spaces common in these larger floor plans.
HOA-friendly, and built for the bigger jobs
Several of Lewisville’s newer developments run strict architectural review. We quote to spec and match grille patterns, frame colors, and exterior trim to what the HOA approves. And because these are big houses with a lot of openings, our in-house W-2 carpentry crews — no subcontractors — handle the trim, sills, and interior finish so the whole job stays under one roof and one schedule.
Why Lewisville homeowners choose Mid Atlantic
- 10 minutes away on Reynolda Road
- Manufacturer-trained installation for Pella, Andersen, and Marvin
- Proper flashing and air sealing on every window — the boring part that determines real-world performance
- In-house W-2 crews for the larger, multi-day window jobs Lewisville homes need
- A+ BBB, 4.8 stars on Google and Facebook
- 3-year workmanship warranty on the install; manufacturer warranties on the units
Schedule a Lewisville window estimate
Call (336) 671-5208 or request an estimate online. Estimates take about an hour for a whole-house walk, we bring samples to your home, and for Lewisville we usually schedule within 48 hours.