4-Season Additions
Porch character, with an insulated enclosure.
- NC GC #109043
- 2-year workmanship warranty
- Durham & the Triangle
The Craft
A 4-season addition keeps the light, views, and relaxed character of a porch while adding an insulated enclosure. The goal is a more comfortable porch-style space across the seasons, rather than a conventional bedroom or general room addition. We plan the insulation, windows, air sealing, and any heating or cooling together around how you want to use the space.
How We Work
From first visit to final fit
Set the comfort goals
We review the home, the site, your intended use, and the difference between an insulated enclosure and an uninsulated 3-season porch.
Design the whole enclosure
Structure, insulation, windows, moisture control, mechanical coordination, permitting needs, and pricing are resolved together.
Build and hand off
We coordinate the agreed work and inspections, finish the porch-style details, and review operation and maintenance with you.
Materials & Joinery
Built from the right stuff
The materials and methods we reach for on a project like this.
- Insulation selected for the proposed floor, walls, and roof
- Windows and exterior doors suited to the comfort goals
- Weather barriers, flashing, and air-sealing materials
- Porch-inspired interior finishes and exterior trim
Typical Scope
What this service can include
Final scope follows verified measurements, site conditions, selections, and permit review.
- Insulated, porch-style additions and suitable conversions
- Window, door, wall, roof, and floor assemblies planned together
- Air sealing, moisture management, and exterior transitions
- Heating and cooling coordination when included in the agreed design
The Details
Where the craftsmanship shows
Insulation as a complete system
Comfort depends on the floor, walls, roof, glazing, and air sealing working together. We plan the enclosure as a whole rather than treating windows alone as the upgrade.
Still feels like a porch
Generous views, daylight, and a clear relationship to the yard preserve the porch character. This offering is distinct from a conventional room addition.
Comfort defined before construction
We discuss use, exposure, and heating or cooling needs during design. Any mechanical work and performance expectations are identified in the agreed scope.
Common Questions
Good to know
How is a 4-season addition different from a 3-season addition?
The key difference is insulation. Our 3-season spaces are uninsulated window enclosures; our 4-season spaces use an insulated enclosure planned for greater comfort across seasons.
Is this a conventional room addition?
No. This service focuses on insulated spaces that retain the character and outdoor connection of a porch, rather than a conventional bedroom or general room addition.
Does it automatically include heating and cooling?
No. We assess comfort goals and discuss an appropriate approach during design. Any heating or cooling work is explicitly included in the agreed scope.
Can an existing porch become a 4-season space?
Sometimes, but adding insulation and windows is not the whole job. We assess the structure, floor, roof, moisture control, and house connection before recommending 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