Three-Season Room Contractor and Builder in Duluth, MN

A screened, sunlit outdoor room to enjoy from spring through fall, built to fit your home and lifestyle.

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Three-Season Room Construction

A three-season room needs a structural tie-in that matches the rest of your home, not just a screened box attached to the exterior. As a three-season room contractor in Duluth, MN, we frame each room to carry Duluth’s snow and wind loads, using aluminum, vinyl, or wood framing depending on your home and budget.

Aluminum, vinyl, or wood framing options
Roofing built from insulated panels, glass, or shingles
Structural tie-in matched to your existing home
Framing sized for Duluth snow and wind loads
Footings planned for the region’s frost depth
Can attach to an existing deck or patio
Foundation options suited to your yard’s layout

Windows and Screening Options

Windows and screening decide how much airflow, light, and weather protection your three-season room actually gets. A three-season room installer in Duluth plans this layer around how you’ll use the space, whether that means fully screened walls for open air or glass for more sun protection.

Tempered glass windows for durability and safety
Double-pane glass for extra insulation value
Low-E glass to reduce heat and glare
Fully screened wall sections for open airflow
Mixed screen and window walls for flexibility
Sliding or fixed window configurations available
Options matched to sun exposure and privacy needs

Custom Three-Season Room Design

Every three-season room design in Duluth starts with how you plan to use the space, whether that’s a reading nook, a dining area, or an extension of your deck. Custom designs or pre-designed options are available, so the level of design work matches your timeline and budget. A three-season room can also be planned with a new deck or pergola as part of a larger outdoor living space.

Layout planned around an existing deck or yard
Electrical setups for lighting, fans, and outlets
Flooring options including tile, vinyl, or laminate
Flooring matched to your home’s existing interior
Custom layouts built from a blank design
Pre-designed layouts available for a faster start
Sized to fit how you’ll use the room

A Local Deck Specialist You Can Reach

Seth Olson founded Hill and Harbor in 2025, after years in reconstruction, to replace unsafe, rotting decks with custom-built decks designed to last. You work with him directly, start to finish, and he holds a Minnesota Contractor License, NADRA membership, and TrexPro status.

See Recent Deck and Outdoor Living Projects

Browse past projects, including our Lake Superior deck, to picture what a custom deck installation could look like at your home.

Serving Homeowners Throughout the Duluth Region

Hill and Harbor Construction builds custom decks for homeowners throughout the greater Duluth area, including:

Read What Duluth Families Say About Us

Read what past clients say, then picture that same experience happening at your own home.

Three-Season Rooms FAQs

What framing options are available for a three-season room?

Aluminum, vinyl, and wood framing are all options for a three-season room. Each holds up differently to Duluth’s weather and carries a different look and cost. As a three-season room builder in Duluth, we walk through the trade-offs based on your home and budget.

Should I choose screened walls or windows?

Screened walls give you open airflow during warmer months without blocking the view. Windows add more protection from wind and add some insulation value. A three-season room installer can mix both along different walls if you want flexibility.

Is a pre-designed three-season room a good option?

A pre-designed layout can be a good fit if you want a faster start and a set budget. Custom designs still make sense if you want a specific layout or feature. A three-season room company can walk you through both paths before you decide.

Will a three-season room hold up through a Duluth winter?

A three-season room is built for spring through fall use, not left exposed the rest of the year. Framing and framing loads for Duluth are covered above, and this room is built for spring through fall use, not for year-round exposure.