Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Door Installation Across Lewisville
Door installation in Lewisville runs $800-$4,200 for most entry and replacement doors in 2025, with full-frame tear-outs on 1980s tract homes sitting at the higher end of that range. The reason is specific to this city: rough openings in Lewisville’s I-35E corridor homes were framed to non-standard widths, so insert replacements rarely fit cleanly. You need a crew that measures the actual rough-in, orders to spec, and documents compliance with Denton County wind-load requirements. That’s what we do at Sightline Windows & Doors. Call (509) 265-6387 for a written quote before any work starts.
Why Sightline Windows & Doors Is Lewisville’s Preferred Door Installation Company
We work differently than most installers. The measurement and the quote are the same document, written before a tool is lifted. Haven Clause 1. Every job leaves with a documented photo record of the opening, the install, and the finished frame. Haven Clause 4. And under the 365-Day Done Right Promise, if the door isn’t right, we make it right, in writing.
Our technicians are background-checked, uniformed, and identified by license number before they arrive at your door. Haven Clause 3. That matters in Lewisville because the homes here, particularly the 1980s and 1990s builder-grade stock along Main Street and through Vista Ridge, throw specific problems at door installers that a generalist crew won’t catch until the old door is already out. We’ve measured enough of these openings to know what’s behind the trim before we quote it.
Our Door Installation Services in Lewisville

Entry Doors
A new front entry door in Lewisville should be specified for more than curb appeal. The city’s 1980s and 1990s brick-veneer builds, especially in neighborhoods like Indian Oaks and The Meadows, came with hollow-core or thin fiberglass doors that were never intended to handle Denton County’s wind and hail cycles. We replace them with fiberglass or steel units sized to the actual rough-in, with adjustable shims to handle slab movement. A typical entry door replacement in Lewisville runs $1,200-$3,500 installed, depending on glass packages and hardware.

Hurricane-Proof Front & Entry Doors
Lewisville isn’t on the coast, but Denton County residential code still requires exterior doors to meet a design pressure rating for wind. Most 1980s-era doors don’t. For homeowners who want documented impact resistance against the hailstones this corridor sees every spring, we install PGT and CGI impact-rated doors with laminated glass that meets or exceeds the DP rating for the opening. These aren’t a luxury in Lewisville. They’re a compliance and insurance decision.

French & Double Doors
French doors on slab-on-grade construction here fail in predictable ways. The black clay under Lewisville heaves and shrinks through wet and dry seasons, and inactive panels end up racked so the astragal no longer lines up. We see it repeatedly in the same homes, not as a one-time fix. We install double doors with reinforced frames and adjustable thresholds, account for seasonal movement, and include the measured survey you keep before we ever order a unit. Expect $2,400-$5,800 for a full French door replacement in Lewisville, depending on glazing and configuration.

Replacement Doors
Most replacement door work in Lewisville is full-frame, not insert. The original aluminum slider and hollow-core units in 1980s tract homes were framed to non-standard rough-opening widths, so an off-the-shelf replacement drops in with gaps that void wind-load certifications and compromise the seal. We full-frame replacement doors the right way: tear out the old jamb, measure the actual opening, custom-order the door to spec, and reinstall with shims that absorb future slab movement. This adds lead time compared to newer Flower Mound construction, but it’s the only way to get a door that actually fits and stays square.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in Lewisville
We install across eight manufacturer lines and specify by what the opening requires, not by what’s in stock. For Lewisville’s climate, that usually means ViewLux for energy-efficient entry systems with high SHGC ratings that hold up to 105°F summer heat, PGT or CGI for impact-rated units that survive hail season, and Therma-Tru fiberglass doors where frame stability on moving clay matters most. We order to the measured rough-in and stock local door hardware for faster turnaround in Lewisville.
Common Door Installation Problems We See in Lewisville Homes

- Door frames racked out of square by expansive clay heave. Denton County’s black clay moves through wet and dry cycles, throwing slab-on-grade foundations out of level and binding the door slab against the jamb or deadbolt. A door that sticks after rain and frees up after a dry spell is a foundation issue showing through the opening.
- Original 1980s hollow-core doors with zero impact-rated glazing. A 1-inch-plus hailstone in Lewisville will fracture single-pane sidelights and blow out panels that were never rated for wind pressure. We see it every spring after the first big storm line.
- Insert-replacement doors quoted on tract-home openings without measuring the rough-in. Standard 6-over-6 aluminum sliders from that era share the same problem: non-standard rough openings that off-the-shelf inserts don’t fit. A cheap quote assumes the opening is standard. It usually isn’t.
- Seal failure and thermal cycling on south-facing doors. Lewisville’s summer highs top 105°F routinely, and the February 2021 freeze exposed how many 1980s-era doors in older subdivisions still offer near-zero thermal resistance. Failed seals fog the glass and quietly destroy the U-factor.
Pricing for Door Installation in Lewisville, TX
Here are real numbers for the Lewisville market, not ranges pulled from a national chart:
- Entry door replacement (single, no sidelights): $1,200-$3,500 installed
- Entry door with one or two sidelights: $2,800-$5,600 installed
- Storm or exterior door: $600-$1,800 installed
- French or double door full-frame replacement: $2,400-$5,800 installed
- Full-frame tear-out and re-install on a 1980s tract opening: add $400-$900 over insert pricing due to custom sizing and additional framing
What moves the price in Lewisville: whether the rough opening is standard or builder-specific (most 1980s homes here are builder-specific), whether the existing frame has been racked by clay heave and needs re-shimming, glazing package, and impact rating. We write the price before any work starts. The quote cannot change from the measured survey. Call (509) 265-6387 for a free, written estimate on your specific opening.
We Also Serve Cities Near Lewisville

Sightline handles Door Installation across the I-35E corridor. Beyond Lewisville, we serve Coppell, Flower Mound, Carrollton, and Grapevine with the same written-first pricing and documented photo record. If you’re in one of those cities and need a measured quote, call the same number: (509) 265-6387. This page covers Door Installation in Lewisville specifically, but our crews move through the metro daily.
Serving Lewisville, TX - Our Local Coverage Area
We’re based in the Lewisville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Door Installation in Lewisville

Denton County residential code requires exterior doors to meet a design pressure (DP) rating appropriate to the wind zone, which for Lewisville typically means a minimum DP 40 for entry doors, with higher ratings required for openings with large glass panels or doors on exposed elevations. Most 1980s-era doors don’t meet this. Insist on documentation. A compliant quote includes the DP rating, the product certification, and the permit filing. A cheap quote leaves all three out. Call (509) 265-6387 and we’ll show you the standard in writing.
Because the rough openings in 1980s and 1990s tract-built homes along the I-35E corridor were framed to non-standard widths. Off-the-shelf insert-replacement units don’t drop in cleanly. A full-frame tear-out lets us measure the actual rough-in, custom-order the door to that dimension, and reinstall with adjustable shims that absorb future slab movement from Denton County’s expansive clay. Yes, it adds lead time. It also means the door actually fits and stays square. Call (509) 265-6387 for a measured assessment of your opening.
Often yes, but it depends on the documentation. Lewisville sits in a high-frequency hail corridor, and insurers weigh impact-rated doors and glazing when calculating wind/hail coverage. What they won’t accept is a verbal claim. You need the DP rating, the product certification, and a documented photo record of the install. We provide that on every job as standard evidence, not as an upsell. Bring us your policy documents and we’ll tell you what’s worth doing. Call (509) 265-6387 with your insurer’s requirements.
Lewisville and Denton County require a permit for full-frame door replacement, with a rough inspection after the opening is framed and a final inspection after the door is installed and flashed. We pull the permit in our name, schedule both inspections, and pass them. It’s part of the written scope we hand you before the job starts. If a quote doesn’t include permit fees and inspection scheduling, the price isn’t complete. Call (509) 265-6387 for a quote that includes every step.
For impact resistance against 1-inch-plus hailstones, PGT and CGI laminated glass doors carry the certifications that hold up. For heat and thermal cycling, Therma-Tru fiberglass doors with low-E glazing resist warping and seal failure better than wood or thin steel. The right spec depends on your opening, your elevation’s wind exposure, and whether you want decorative glass or maximum impact rating. We specify by the opening, not by margin. Call (509) 265-6387 for a written recommendation on your specific door.
Written by Sonia Raman, Owner at Sightline Windows & Doors. Every installation since 2012 has been governed by the Haven Standard: written price before work starts, background-checked crews, documented photo evidence, and a 365-day promise on every job.










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