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Insulated Sunroom

Model 400

Feel extra comfortable with the Sunspace Insulated Sunroom

The Sunspace Insulated Sunroom is made to keep you comfortable in every season. It has thick 3″ foam panels to hold in warmth and strong 3″ aluminum frames that stand up to wind and snow. Special thermal breaks help stop heat loss and reduce condensation.

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Interior view of a Model 400 insulated sunroom with hardwood floors, featuring a wooden dining table, white sofa, and vaulted ceiling with integrated skylights overlooking a green field.
Interior of a Model 400 insulated sunroom with gabled ceilings, built-in skylights, double-pane glass windows, and a neutral-toned seating area.
Exterior view of a gabled Model 400 sunroom overlooking a glass-railing deck.
Insulated Sunroom: A stylish, climate-controlled space designed for year-round home comfort.
Interior of a Model 400 insulated sunroom featuring a wooden dining table, sectional sofa, skylights, and high-efficiency glass windows with a meadow view.
Exterior view of a Model 400 insulated sunroom addition on a brick house, featuring large floor-to-ceiling glass windows and a gabled roofline that matches the main home.
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Available Colors
White
Black

Custom Colors Available, ask your sales representative.

Looking For Design Inspiration?

May’s Construction presenting Sunrooms

May’s Construction explaining condensation vs seal failure

Sunspace presenting Models 300 & 400

Sunrooms inspirations with Sunspace 

Model 400

Benefits

  • All Season Comfort: 3" foam walls keep your Sunroom warm, strong, and energy efficient.
  • Enjoy More Seasons: 2" foam patio walls let you use your space longer throughout the year.
  • Energy Saving Windows: Low E Argon glass keeps heat in and protects from the weather.
  • Flexible ThermaDeck: Strong, insulated floor ready for different finishes or roof styles.
  • Cost Effective: Saves money on foundation and installation work.

ThermaDeck

ThermaDeck works with Sunspace 3-Season and Insulated Sunrooms to keep your space warmer and more energy efficient. Its insulated panels provide 25% more protection than regular floors, helping lower energy costs and making your Sunroom comfortable all year.

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