When faced with deteriorating or poorly performing windows, you have the choice to either repair or replace them. Repairing your windows only temporarily relieves your problems, rather than providing you with a sound investment solution for the long run.
Seaway Sunrooms provide a homeowner with instant value; they add living space to the home, are more affordable than conventional room additions, and are maintenance free.
Patio Doors
Patio doors are the focal point of any room they grace; an expanse of glass that brightens your home, bringing indoors the warmth and beauty of the outdoors. Step out to the patio for breakfast, bring in fresh, cut flowers from the garden, or create a new, cheerful atmosphere in a stuffy room.

Energy Efficient Windows | Seaway Manufacturing

Celebrating a tradition of superior craftsmanship and unsurpassed customer service since 1959.

Seaway is proud to design and manufacture windows that minimize maintenance and improve your home’s appearance, energy efficiency, and investment value. Whether you need vinyl replacement windows, patio doors, or a sunroom, we can help you customize the perfect home improvement product to suit your needs. For the highest quality and the best value, choose Seaway Manufacturing for your home. We ensure you that we build the best products in the industry; a belief that is reflected in our warranties. Seaway Manufacturing will be with you every step of the way in the process of creating your dream home!

Seaway Named a Top Manufacturer Again in 2023 by Window & Door Magazine!

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Personal Attention to Detail
State of the Art Technology
Woman Owned Company
Long Tradition of Manufacturing Excellence
Touch & Inspect Products Every Step of the Way
Window Safety Week 2021
Seaway Manufacturing joins several industry associations and the National Safety Council in observing Window Safety Week.... Read More »
Seaway Manufacturing Joins #WeGotThisERIE Campaign
Seaway Manufacturing joins the community-wide #WeGotThisERIE Campaign  ... Read More »
Patrick Goodrich Promoted to COO of Seaway Manufacturing
Seaway Manufacturing Corporation of Erie, Pennsylvania, today announced the promotion of Patrick Goodrich to the position of Chief Operating Officer, effective immediately.... Read More »
Our GrandView sunroom was installed 14 years ago, and it looks and operates like the day it was completed. It is our favorite room at any time of year, and we get so many compliments on it.
Jim & Monica R.
TImonium, MD
Sunroom Installation