Product Details:

OSLO-America Historic Replacement windows are custom built for your application. We guarantee these windows will replicate, and in many cases, enhance the original functionality.

Wood choices include Mahogany, quarter-sawn Oak, and for a greener option ask for our roasted wood.

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U.S. Naval Observatory, Washington D.C.

Dennisport, MA 02639

F: 508-694-6051

P: 508-694-6050

OSLO America

190 Telegraph Road .

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Historic Renovations


Landmark Replacement

OSLO-America is highly respected in the field of landmark window and door exact duplicate replacement.

We have provided replacement windows for the U.S. Naval Observatory in Washington, D.C., and have been selected to provide our Euro multi-locking windows for use as dust proof display cases in the 'American Encounters' division of the Smithsonian Institute's American History Museum.

Some units are concave, some are convex, and some are monumental in size. Whether Institutional or residential, OSLO is dedicated to not only restore the integrity of a building's historical value. We guarantee to improve the performance and life expectancy of the fenestration we replace.