140 Hamburg Turnpike Butler, NJ
Tel: 973.838.1515
Fax: 973.838.6543




Excelsior Lumber Co. carries a wide variety of quality windows and accessories. We stock many of the popular product lines and we are proud to be an Andersen® Excellence Dealer. Visit our showroom or CONTACT US and speak to a knowledgeable staff member who will be able to assist you with all of your window needs.





Click on the links below to be directed to one of our vendors web sites...


Andersen Andersen - The privately owned business was founded in 1903 by Danish immigrant Hans Andersen and his family in Hudson, Wisconsin. Andersen annually manufactures more than six million wood windows and doors, with sales worldwide.
Alliance Alliance - Alliance Window Systems provides superior quality, state-of-the-art, beautifully styled vinyl window products.
Integrity Integrity - Integrity ® is "Built to perform", from window engineering, to a vast array of sizes and shapes, to the folks in customer service.
Marvin Marvin - Marvin Windows and Doors has a long history of product innovations, industry firsts and commitment to community.
Velux Velux - VELUX has been providing daylight and fresh air to people worldwide for over 60 years.