- Oklahoma's Trusted Porch Conversion and Walls Under Pros
Porch Conversion and Walls Under Installation in Oklahoma
Easily convert your existing open porch, under-deck, or outdoor area into a comfortable 3-season room without major construction. Sunspace Walls Under systems utilize custom panels and WeatherMaster vinyl, bi-fold, or full glass windows to fit your structure.
- Factory-trained certified master builders
- Guaranteed estimates — the quoted price never changes
- Transferable lifetime warranty on every installation
- Factory-trained certified master builders
- Guaranteed estimates — the quoted price never changes
- Transferable lifetime warranty on every installation

- Factory-trained certified master builders
- Guaranteed estimates
- Factory-trained certified master builders
- Porch Conversion and Walls Under for Oklahoma
Oklahoma Has a Porch Problem Worth Solving
Sunspace by Express Sunrooms of Oklahoma installs custom Walls Under and porch conversion systems. These systems allow Oklahoma homeowners to enclose an existing covered porch, under-deck space, or outdoor structure into a usable 3-season room without new construction. The Walls Under system uses custom-fabricated panels with Weathermaster vinyl, bi-fold, or full glass windows to precisely fill open sides. This porch conversion looks intentional, performs like a proper enclosure, and avoids the cost and disruption of tear-out and new building.

Years Serving OKC
- Oklahoma Climate Challenges
Why Oklahoma Homeowners Convert Existing Porches
You Already Have the Roof
A Walls Under Porch system uses your existing roof to convert open porch or under-deck spaces, avoiding new foundation-to-roof construction.
Oklahoma Weather Limits Open Porch Time
With Oklahoma's mosquito season from late April through October, an enclosed porch with WeatherMaster panels ensures an insect-free, comfortable, and usable outdoor living space.
Underused Space Has Real Value
Convert your open porch with WeatherMaster windows to combat Oklahoma weather, extending comfortable use from March through September.
Insects Make Six Months Unusable
Convert your open porch or under-deck space into a functional 3-season room with Walls Under panels, increasing livable square footage, home enjoyment, and resale value.
- Sunspace Walls Under
How a Porch Conversion Works
Existing Oklahoma porches, under-deck spaces, balconies, gazebos, and any covered outdoor structure where the roof is already in place, and the sides need to be enclosed.
The Sunspace Walls Under system converts your existing outdoor structure into a 3-season enclosed living area using custom-fabricated wall segments, without rebuilding the overhead structure. Panels are precision-fitted and integrate with WeatherMaster windows, WeatherMaster Plus bi-fold panels, or full glass systems based on your ventilation, aesthetic, and use goals. Factory pre-installed internal wire chases allow for easy addition of lighting, fans, or outlets without exposed conduit.
Full Feature List: Walls Under Porch Conversion System
Completed wall segments featuring WeatherMaster windows
Custom-fabricated panels that fill the open sides of your existing structure with finished, functional wall segments.
Fits substructures beneath current structures
Installs under existing porches, decks, and roofed outdoor areas without requiring structural modification to the existing overhead frame.
Three glazing system choices
WeatherMaster vinyl (V4T), WeatherMaster Plus bi-fold, or full glass. Matched to your ventilation goals, aesthetic, and OKC use case.
Custom-fabricated to fit your exact openings
No standard kit sizes. Every panel is manufactured to the precise dimensions of your existing structure.
Internal wire chases pre-installed at the factory
Ready for lighting, ceiling fans, and electrical outlets without exposed conduit or after-the-fact wire routing.
Simple installation process
Engineered to reduce the need for special trade installation. Less disruption to your Oklahoma home than full construction.
Integration of safety and style
Improved aesthetics and safety measures were built into the system from the factory.
Streamlined project completion
More labor-saving than previous conversion methods. Faster completion means less time with work crews on your property.
Multiple Roof Systems
Acrylic, insulated, hybrid, and SIP panel options matched to your sun exposure and OKC climate conditions.
Available Colors
Standard
White
Driftwood
Bronze
Black
Grey
WeatherMaster

Clear

Smoke Gray

Dark Gray

Bronze
Columns Round

Better Vue

18 14

No See Ums

Tuff Screen

Solar Insect

Pool & Patio
Dowload Brochures
- Side-by-Side Comparison
Choosing Your Glazing System: WeatherMaster, Bi-fold, or Full Glass
Every Walls Under Porch conversion uses the same custom-fabricated panel system for the structural wall segments. The glazing system you choose determines how the space ventilates, how it looks, and how fully it closes against Oklahoma weather.
In Oklahoma porch conversions, the WeatherMaster vinyl system is preferred for its match with existing WeatherMaster windows, full weather closure, and 75% ventilation. For full wall opening on nice evenings, the bi-fold option is best. The full glass option provides the brightest, most traditional sunroom look.
- Standard on Every Installation
ViewFlex Vinyl: The Material Behind WeatherMaster Porch Conversions
Every WeatherMaster glazing option in the Walls Under system uses ViewFlex vinyl, the material that has powered Sunspace enclosure products for over 40 years.
More Durable Than Glass
ViewFlex vinyl resists cracking or shattering from hail impact, a practical advantage for Oklahoma porches. It requires no annual maintenance despite Oklahoma's heat and UV exposure.
Virtually Maintenance-Free
No painting, sealing, or annual treatment is needed. Cleaning only requires a damp cloth. The panels in your OKC porch conversion will perform identically for years.
UV and Weather Protection
ViewFlex vinyl filters UV rays and offers better energy-efficient thermal conductivity than single-pane glass. Closed panels protect from wind, rain, pollen, and insects.
Four Tint Options
Choose from Clear, Smoke Gray, Dark Gray, and Bronze. Dark Gray is best for west-facing porches in OKC. Clear keeps north-facing conversions bright.
- How It Works
How an Oklahoma Porch Conversion Works: 5 Steps
From your first call to the day you’re relaxing in your new space, here’s exactly what to expect when you work with Sunspace by Express Sunrooms.
Free No-Obligation Consultation
We visit your home, assess the porch, measure openings, and recommend the best glazing system based on your goals and how you plan to use the converted space. No pressure. No commitment.
Custom Design & Guaranteed Price
We design the Walls Under panel system to fit your exact opening dimensions, specifying the glazing, screen, frame color, and optional additions. The price we quote is the price you pay. Not a penny more.
Custom Manufacturing
Your custom-fabricated panel segments, with pre-installed internal wire chases, arrive ready to install. No on-site cutting or shimming is required for your precise opening dimensions.
Clean, On-Time Installation
Factory-trained master builders install with precision. Expect on-time arrival, complete cleanup, and a finished porch conversion that looks seamlessly integrated with your home. No disruption.
You Pay Only When Satisfied
We walk you through the converted space, demonstrate every window and screen function, and explain the warranty. Only then do you pay. That is the No-Risk, No-Pay Guarantee.
- No upfront payment required
- All permits & engineering included
- Two-year labor warranty
- Lifetime transferable product warranty
- Why Sunspace by Express
Why Homeowners Choose Sunspace by Express Sunrooms for Porch Conversions
No-Risk, No-Pay Guarantee
We cover permits, engineering, and materials upfront. You pay only upon complete satisfaction with your finished porch conversion. No other Oklahoma installer offers this.
Factory-Trained Certified Master Builders
Our installers are factory-trained on every Sunspace system. We ensure precise measurement and execution when custom-fitting Walls Under panels into your existing structure.
Guaranteed Estimates & Lifetime Warranty
Our quoted price is final. We offer a two-year, no-questions-asked labor warranty and a transferable lifetime warranty that stays with your OKC home.
- Dealer of the Year 2026 - Sunspace, SW Region
- Most Progressive Dealer - Multiple Years
- Member - Central Oklahoma Home Builders Association
- Member - Grove Chamber of Commerce
- Where We Install
Porch Conversion for Homeowners Throughout Oklahoma
Sunspace by Express Sunrooms of Oklahoma installs premium Walls Under and porch conversion systems across the entire state. Our service area includes the Oklahoma City and Tulsa metros, as well as premier communities and neighborhoods such as Edmond’s Oak Tree and Iron Horse Ranch, Norman’s Brookhaven area, Nichols Hills, and Gaillardia.
- Oklahoma City
- Edmond
- Nichols Hills
- Oak Tree (Edmond)
- Brookhaven (Norman)
- Tulsa Metro
- Norman
- Gaillardia
- Iron Horse Ranch (Edmond)
- + All of Oklahoma
- FAQ
Porch Conversion FAQs: Oklahoma Homeowners Ask
What is a Walls Under Porch conversion system?
The Walls Under system from Sunspace installs custom-fabricated wall panels into the open sides of an existing porch, under-deck space, balcony, or gazebo, converting it into a fully enclosed 3-season room.
Unlike a full porch enclosure built from a new structure, the Walls Under system uses your existing roof overhead and fills only the sides, reducing the scope, cost, and construction disruption of the conversion.
Does my porch need a roof for a Walls Under conversion?
Yes. The Walls Under system fills the sides of an existing covered structure. Your porch or under-deck space needs an existing roof or overhead cover in place before the side panels can be installed.
If you have an open patio without overhead coverage, a patio cover installation combined with Walls Under side panels creates a full enclosed space from the ground up.
Which glazing system is right for my Oklahoma porch?
The WeatherMaster vinyl system is the most practical choice for most Oklahoma porch conversions: full weather closure, 75 percent ventilation, and the same ViewFlex vinyl construction used across Sunspace’s full enclosure line.
If your primary goal is opening the entire converted wall on Oklahoma’s best spring and fall evenings, the WeatherMaster Plus bi-fold system is worth the upgrade. Full glass panels give the brightest, most traditional sunroom appearance at the expense of the open-air ventilation that the vinyl and bi-fold systems provide.
Can a porch conversion be done if I already have WeatherMaster windows on my porch?
Existing WeatherMaster windows on an open porch are already part of the conversion. The Walls Under system fills the structural wall segments between or below those windows with matching panels, completing the enclosure to the floor or deck surface.
Your factory-trained team assesses the existing window placement at the free consultation and designs the panel configuration to integrate with what is already installed.
Can I add a WeatherMaster door to the converted porch?
A full porch enclosure uses a complete Sunspace structural system with engineered panel walls built on a new structural framework. It is the right solution when no usable existing structure is in place or when the existing porch frame is not suitable for the Walls Under approach.
A Walls Under Porch conversion installs custom panels into an existing structure without rebuilding the frame. It is faster, less disruptive, and more cost-effective when the existing porch structure is sound.
Can a porch conversion be added to an under-deck space?
Yes. Under-deck spaces with an existing deck overhead are one of the most common Walls Under applications in Oklahoma. The deck serves as the roof. Custom panels fill the open sides to create an enclosed space beneath the deck.
Under-deck conversions are particularly popular in OKC for walk-out basements and elevated rear decks where the space below the deck is used for storage or is simply wasted open space.
Can I add a screen room and then upgrade to a porch conversion later?
A screen room installation uses the Sunspace structural frame that also accepts WeatherMaster vinyl panels as a direct upgrade. If you install a screen room first and later want to convert it to a full weather-closing porch enclosure, the same frame accepts the new panels without demolition.
Can motorized screens be combined with a porch conversion?
Motorized retractable screens can be integrated into specific wall sections of a porch conversion where the ability to fully open a section on demand is a priority alongside a generally enclosed perimeter.
This combination works well for large OKC porches where some walls are converted with fixed WeatherMaster panels, and one wall uses a motorized screen for a fully open connection to the yard when conditions are perfect.
How do I get started with a porch conversion in Oklahoma?
Call (405) 232-1222 or request a quote online, and we will schedule a free, no-pressure consultation at your Oklahoma home.
We will assess your existing porch structure, measure every opening, and recommend the right glazing system and panel configuration for how you want to use the converted space.
Ready to Convert Your Oklahoma Porch into a 3-Season Room?
Custom-fabricated panels. Three glazing systems. Pre-wired for lighting and fans. Factory-trained installation into your existing structure.
Call (405) 232-1222 or request a quote, and we will schedule your free no-pressure consultation.
Our No-Risk, No-Pay Guarantee
We pay for your sunroom’s permits, engineering, and materials upfront. You are not asked for payment until the project is fully complete and you are entirely satisfied.





