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Carpenters install ultraviolet film at Historic New England properties

May 11, 2012


Historic New England's preservation experts are always discovering better ways to preserve our buildings and the collections within. This week our staff carpenters learned about the benefits and installation of ultraviolet film. 

UV protection is important for preventing damage from sun exposure. Past installations of UV protection, however, have produced unintended negative results. The large sheets of UV-protected acrylic we used in the past often trapped air between the UV protection and windows, creating environmental conditions conducive to condensation. The water would ultimately deteriorate the substrate (wood, metal, etc.), paint, and glazing putty. Ultraviolet film, which is applied directly to the window pane, eliminates the need for the sheet of acrylic, eliminating the potential for condensation. UV film is in place in several rooms at Beauport, Gropius House, and Otis House

Learn more about protecting collections from ultraviolet rays in our white papers.

Assessing the need for UV protection

Posted by Stone Jasie on July 24, 2014
Any feedback on best meters to measure UV?

Stone Jasie

UV meter

Posted by Alex Carlisle on July 24, 2014
Hello Stone,
For years the standard in conservation has been the Crawford UV/ Light Monitor Model 760 manufactured by Littlemore Science and Engineering Co. in Oxford, UK. There may be some newer UV meters out there, but the Crawford is a solid workhorse.


Posted by Rob Watson on July 24, 2014
Dear Stone,

Thanks for inquiring. Check your e-mail for a recommendation.

Rob Watson
Marketing Manager
Historic New England

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Carpenters install ultraviolet film at Historic New England properties