Premium American-Made Windows and Doors That Save You Money
Drafty windows and sticking doors are more than a nuisance; they're a drain on your wallet and compromise your home's security. At Firm Foundation Construction, your trusted La Crosse window and door contractor, we install premium, American-made windows and doors that improve your home's energy efficiency, security, and comfort throughout La Crosse, Sparta, Tomah, and Western Wisconsin.
With 14 years of window and door installation experience, we deliver precision installation that ensures maximum energy savings, weather protection, and long-lasting performance. Upgrade your home's comfort, security, and efficiency with professional installation backed by our faith-based commitment to quality.
Replacement Window Installation
Energy-efficient windows for your entire home.
Pella Window Installation
Industry-leading patented window technology.
ProVia Steel Entry Doors
Highest-rated security and energy efficiency.
Patio Door Installation
Sliding glass doors and French patio doors.
Storm Door Installation
Additional protection and ventilation.
Bay and Bow Window Installation
Architectural statement windows.
Double-Hung Window Replacement
Classic style with modern efficiency.
Casement Window Installation
Maximum ventilation and tight seals.
Picture Window Replacement
Unobstructed views with energy efficiency.
Door Hardware Upgrades
Enhanced security and style.
Premium Window and Door Brands We Install
At Firm Foundation Construction, we partner with two industry-leading American manufacturers known for superior quality, innovation, and performance:
Pella Windows –
100+
Years of Innovation
America's Most Innovative Window Company
Founded in 1925, Pella Corporation is one of the oldest window and door manufacturers in America—and they hold more patents for window and door technology than any other company. When you choose Pella windows, you're investing in a century of engineering excellence.
Why Pella Windows Are Superior:
- Patented Technology Leader: More window and door patents than any competitor.
- 100+ Years of Excellence: Trusted American manufacturer since 1925.
- Energy Efficiency: ENERGY STAR® certified with advanced Low-E glass technology.
- Innovative Features: Between-the-glass blinds and Rolscreen® retractable screens.
- Durability: Weather-tested to withstand extreme Wisconsin conditions.
- Low Maintenance: EnduraClad® exterior never needs to be painted.
- Noise Reduction: Advanced insulation reduces outdoor sound by up to 52%.
- Custom Options: Hundreds of design, color, and hardware combinations.
Pella Window Styles We Install
Double-Hung Windows (Most Popular)
Casement Windows (Best Ventilation)
Awning Windows (Rain Protection)
Sliding Windows (Wide Views)
Bay and Bow Windows (Architectural)
Picture Windows (Unobstructed Views)
Garden Windows (Kitchen Specialty)
Pella Window Warranty
- Lifetime Limited Warranty: Coverage for as long as you own your home.
- Glass Breakage Coverage: 10-year protection against seal failure.
- Transferable: Warranty coverage transfers to new homeowners.
- Installation Warranty: Backed by Firm Foundation Construction’s workmanship guarantee.
Energy Savings With Pella Windows
- Up to $465/year savings on heating and cooling (EPA estimate).
- Triple-pane options for maximum Wisconsin winter protection.
- Low-E SmartSun™ glass blocks 84% of UV rays (protects furniture).
Best for: Homeowners seeking cutting-edge window technology, maximum energy efficiency, and proven American quality backed by over a century of innovation.
ProVia Steel Entry Doors – Highest-Rated Security and Efficiency
America's #1 Rated Steel Door System
ProVia manufactures the highest-rated steel entry doors in America, year after year, combining maximum security, energy efficiency, and stunning design. Made in Ohio, ProVia doors are engineered specifically for harsh climates like Wisconsin's.
Why ProVia Steel Doors Are the Best Choice
- Highest Security Ratings: 20-gauge steel construction (thickest in the industry).
- Superior Energy Efficiency: Polyurethane foam core (6x more efficient than wood doors).
- Weather-Tight Seal: Magnetic weatherstripping keeps Wisconsin cold out.
- Dent and Scratch Resistant: Commercial-grade steel with a textured finish.
- No Warping or Rotting: Steel won't warp, split, or deteriorate like wood.
- Authentic Wood Look: Embossed grain patterns look like real wood doors.
- Made in USA: Manufactured in Ohio with American materials.
- Customizable: Hundreds of design, glass, and hardware options.
ProVia Door Features:
- 20-gauge steel (the strongest available for residential).
- Full polyurethane foam core insulation.
- Magnetic weatherstripping (superior seal).
- Adjustable threshold (prevents air leaks).
- Multi-point locking systems available.
- Decorative glass options (privacy and style).
- Prefinished in your choice of colors.
ProVia Door Warranty
- Lifetime Limited Warranty: Coverage for as long as you own your home.
- Finish Warranty: 10-year coverage on factory finish (no peeling or fading).
- Glass Warranty: 10-year seal failure protection on decorative glass.
- Energy Performance: ENERGY STAR® certified for maximum efficiency.
- Transferable: Adds value when selling your home.
Energy Savings With ProVia Steel Doors
- R-value up to 12 (wood doors typically R-2 to R-3).
- Reduces drafts by up to 95% compared to older doors.
- Magnetic weatherstripping eliminates air infiltration.
- Saves $100-200/year on heating and cooling costs.
Security Benefits
- 20-gauge steel resists forced entry.
- Heavy-duty hinges (won't sag over time).
- Optional multi-point locking systems.
- Reinforced deadbolt strike plates.
- Impact-resistant decorative glass options.
Best for: Homeowners prioritizing maximum security, energy efficiency, and lifetime durability with authentic wood appearance and zero maintenance.
Complete Door Solutions
Beyond entry doors, we also install:
Patio Doors
- Sliding glass patio doors (Pella and ProVia).
- French patio doors (hinged style).
- Multi-slide patio door systems.
- Energy-efficient Low-E glass options.
Storm Doors
- ProVia storm doors (aluminum and steel).
- Retractable screen options.
- Full-view and ventilating styles.
- Enhanced protection for entry doors.
Benefits of New Windows and Doors
- Lower Energy Bills: Save up to $465/year with energy-efficient windows (EPA).
- Improved Indoor Comfort: Eliminate drafts and cold spots in Wisconsin winters.
- Enhanced Security: ProVia steel doors resist forced entry and break-ins.
- Enhanced Curb Appeal: Beautiful designs increase your home's value.
- Increased Property Value: Window and door upgrades deliver 70-80% ROI.
- Noise Reduction: Advanced insulation creates quieter indoor spaces.
- UV Protection: Low-E glass protects furniture and flooring from fading.
- Weather Protection: Sealed units withstand Wisconsin's harsh elements.
Signs You Need New Windows and Doors
- Drafts around window and door frames.
- Condensation between glass panes (seal failure).
- Difficulty opening, closing, or locking.
- High heating and cooling bills.
- Fading furniture and carpets (UV damage).
- Visible rot, warping, or water damage.
- Outdated single-pane windows.
- Windows or doors are 15+ years old.
Why Choose Firm Foundation Construction for Window and Door Installation?
Premium Brands Only
Pella (most patents) and ProVia (highest-rated steel doors
American-Made Products
Supporting US manufacturing and quality.
Precision Installation
Proper installation ensures maximum energy efficiency and performance.
Wisconsin Weather Experts
14 years installing windows and doors for harsh Midwest winters.
Licensed and Insured Contractor
Professional installation you can trust.
Free Estimates and Financing
Flexible payment options available.
Local La Crosse Contractor
We're your neighbors, serving La Crosse County.
Faith-Based Values
Integrity and honesty in every project.
Warranty Support
We help you understand and maximize manufacturer warranties.
Our Professional Window and Door Installation Process
Free In-Home Consultation
We assess your needs, measure openings, and discuss options.
Product Selection
Choose from Pella windows and ProVia doors with expert guidance.
Custom Design
Select styles, colors, glass options, and hardware.
Precision Installation
Expert craftsmanship with proper insulation and sealing.
Quality Inspection
Thorough testing of operation, locks, and weatherproofing.
Warranty Registration
We help you register manufacturer warranties.
Clean-Up and Removal
We haul away old windows and doors, leaving your home spotless.
Windows
- Traditional double-hung (most versatile).
- Modern casement (best ventilation).
- Picture windows (maximum light).
- Bay windows (architectural focal point).
- Slider windows (easy operation).
- Custom shapes (arched, circular, and trapezoidal).
Doors
- Classic panel steel entry doors.
- Craftsman-style doors.
- Modern contemporary designs.
- Rustic farmhouse style.
- Decorative glass entry doors.
- Sliding patio doors.
- French patio doors.
Window and Door Installation Service Areas
We proudly serve homeowners throughout La Crosse County, Vernon County, Monroe County, Trempealeau County, Jackson County, and Western Wisconsin, including the following:
