3-Season Additions
The feel of a screened porch, with the flexibility of windows.
- NC GC #109043
- 2-year workmanship warranty
- Durham & the Triangle
The Craft
A 3-season addition is a porch-style enclosure with windows, without an insulated building envelope. Think of the openness of a screened porch with more control over breeze and changing weather. It is a place for morning coffee, relaxed meals, and time close to the yard during comfortable parts of the year; it is not designed to perform like a conditioned room in the house.
How We Work
From first visit to final fit
Understand the space
We discuss the seasons you want to use it, exposure, access, and whether a new build or an existing-porch conversion makes sense.
Plan the enclosure
We resolve layout, windows, screens, structure, roof details, permitting needs, and the final scope before construction.
Build and walk through
We complete the enclosure and finishes, coordinate agreed inspections, and review window operation and care at handoff.
Materials & Joinery
Built from the right stuff
The materials and methods we reach for on a project like this.
- Window and screen systems selected for the enclosure
- Exterior-rated flooring and trim
- Roofing and flashing suited to the house connection
- Durable porch ceiling and wall finishes
Typical Scope
What this service can include
Final scope follows verified measurements, site conditions, selections, and permit review.
- Window-enclosed, uninsulated porch-style additions
- New enclosures and suitable existing-porch conversions
- Operable windows, screens, and exterior doors
- Porch flooring, ceilings, trim, and transitions to the home
The Details
Where the craftsmanship shows
Windows when you want shelter
An enclosure helps manage wind and rain, while operable windows and screens preserve the outdoor connection.
Honest seasonal comfort
This is an uninsulated porch-style space. Comfort follows outdoor conditions, so it is planned for seasonal enjoyment rather than year-round indoor temperatures.
A natural extension of the porch
Proportions, sight lines, finishes, and the connection to the yard keep the space feeling like a porch rather than a conventional room addition.
Common Questions
Good to know
What is a 3-season addition?
It is an uninsulated porch-style enclosure with windows. It offers more weather protection than a screened porch while keeping a strong connection to the outdoors.
Is a 3-season addition insulated?
No. Our 3-season offering is not an insulated space. If insulation and broader seasonal comfort are priorities, discuss a 4-season addition with us.
Can I use it all winter?
Comfort depends on the weather, exposure, and your preferences. We do not promise indoor temperatures or year-round comfort in an uninsulated enclosure.
Can my screened porch be converted?
Possibly. We need to review its framing, supports, roof, water management, and connection to the house before defining a conversion.
More of What We Build
Explore the rest of the shop
Your next step
Let’s talk about your project.
A quick request, a price range, or a time to talk.
Request Free Estimate
Get Started
Ready to Plan
Your Outdoor Space?
Planning a custom deck, deck repair or wood fence in Durham or Chapel Hill? Let us see the space you have in mind. We will take measurements, discuss your ideas, and help you move toward a clear, written proposal.
Durham, Chapel Hill & the Triangle · david@stillpointbuilders.com


