Thank You!

Thank you for requesting your free idea kit!

We will contact you as soon as possible.

Sunrooms done right. No hassles or surprises.

Our sunroom design consultant will come to your home, free of charge, to help you select the perfect solution from a variety of sunroom plans and sunroom design ideas. We will even leave you with a comprehensive, to-the-penny quote of the cost to add a sunroom for your consideration.

Enclosed Porch - Year Round Sunroom
Upgraded Screen Porch
Year Round Sunroom - deck entrance
Special Offer
Save up to $3,000
on your new sunroom!
Hurry! Offer ends soon.

Project manager assigned to every account

Online tracking throughout the whole process

A “No Sub-Contractor” guarantee

Only factory trained installers

All permitting handled professionally

Seaway Manufacturing Corp.

We are New England’s Premier Seaway Sunrooms Installer!

Every Seaway sunroom is custom designed, custom engineered, and custom built from top to bottom.

You will be at ease in a gracious addition to your home, living your dreams, comfortable in your extra living space at a surprisingly reasonable cost. A small investment adds significant appreciation!

Enjoy the outdoors all year long. Build a modern, year round season sunroom!

Building a sunroom addition or glass room enclosure is the perfect way to enjoy the comforts of the indoors while experiencing the outdoors. Whether you’re looking for modular sunroom additions or a screened-in porch, we will custom design a sunroom just for you. There’s no need to learn how to build a sunroom—our specialized team has extensive experience in building designer sunrooms that are customized to your exact specifications.

A fabulous new, modern sunroom addition will enhance your home enjoyment, improve your lifestyle, and also increase the value of your home. Independent surveys have shown that if you invest in a building a modern sunroom, the cost to build a sunroom comes back to you by adding value to your real estate. Typically, 100% of the cost of sunrooms is added on to the value of your home after 10 years of ownership. That’s like having a 10 year vacation… and getting all of your money back!

Year Round GrandView Sunrooms

Year Round GrandView Sunrooms

Fully-insulated sunroom addition

High-quality vinyl energy star-rated windows

R30 roof available

Insulated wall structure

$1,000 less than standard construction

Three Season BetterView Sunrooms

Three Season BetterView Sunrooms

High-quality, double-strength tempered glass windows and doors

Engineered to meet or exceed all building codes

Custom sunroom design specifically for your home

Custom color matching available

The most affordable sunroom alternative