
Window Weatherproofing in NW Bergen County
Providing Comfort and Efficiency in Wycoff, Saddle River, & the Surrounding Areas
Windows are not only portals to the outside world; they also play a crucial role in maintaining the comfort and energy efficiency of your home. However, without proper weatherproofing, windows can become sources of energy loss, drafts, and moisture infiltration, leading to increased heating and cooling costs, reduced indoor comfort, and potential damage to your home's interior.
At PJ Sullivan Exteriors, we offer premium window weatherproofing services that can help homeowners in the Tri-State area maintain a comfortable indoor environment while increasing energy efficiency and prolonging the lifespan of their windows.
Contact us online or call (862) 420-9283 to schedule a consultation or book a service.
Our Window Weatherproofing Services
We offer comprehensive window weatherproofing services to help homeowners protect their homes and improve energy efficiency. Our skilled technicians will assess your windows for air leaks, drafts, and moisture infiltration and recommend customized weatherproofing solutions to address any issues and enhance the performance of your windows.

Your Project. Our Passion.
Five-Star Client Reviews
At PJ Sullivan Exteriors, we prioritize exceptional service and the highest level of quality, every time. Read some of our client reviews below.
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We hired PJ Sullivan Construction in the Spring of 2013 to do an extensive exterior renovation on our Ridgewood house. We were very pleased with the workmanship and overall experience and will definitely consider them again for future projects.- Former Client
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He is exceptional, honest, and has the customer in mind when making suggestions.- John G.
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I would highly recommend Peter to anyone looking for an honest, capable, and professional contractor. He will exceed your expectations! It’s no accident that his company is one of the best in Midland Park.- Former Client
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From day one he provided clear details regarding all aspects of the renovations and kept to the completion deadline. His crew was professional and the workmanship was amazing!- Former Client
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Their attention to detail exceeded my expectations! They really do strive for perfection. Having our home renovated by Peter was effortless. I can’t say enough about how pleased we are with the work performed by PJS.- John C.
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Outstanding company to work with! The work was completed in a professional manner, on schedule, and with an exceptionally high level of precision and attention to detail.- Emalac
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We are very satisfied with all the planning and work done by PJ Sullivan Construction Company on our home. They exceeded our expectations and are very happy we went with them for our project.- Mike R.
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If you want quality and professionalism, look no further!- Gabor V.