The American Architectural Manufacturers Association (AAMA) released a new document laying out comparisons among three different rating systems for condensation on interior surfaces of fenestration products.
The formation of condensation on these surfaces in winter months is problematic in almost all modern buildings. This document addresses some of the common causes and the technical issues related to condensation. It also offers a comparison of the tools available for rating fenestration systems for condensation resistance.
“This new AAMA document was developed to provide a single reference source on the three common condensation rating systems for the U.S. and Canada,” says Doug Holmberg (Apogee Enterprises), co-chair of the Condensation Ratings Comparison Task Group. “It also provides information on how each rating is calculated for comparing the condensation resistance of products and the differences in the rating systems.”
Steve Strawn (JELD-WEN), co-chair of the Condensation Ratings Comparison Task Group, adds that window condensation ratings can be difficult to understand, and that the question has been further complicated by the use of different methods to rate condensation resistance.
Related Stories
| Apr 12, 2011
Entrance pavilion adds subtle style to Natural History Museum of Los Angeles
A $13 million gift from the Otis Booth Foundation is funding a new entrance pavilion at the Natural History Museum of Los Angeles County. CO Architects, Los Angeles, is designing the frameless structure with an energy-efficient curtain wall, vertical suspension rods, and horizontal knife plates to make it as transparent as possible.
| Apr 11, 2011
From Wired Glass to Clear Solutions: Designing with Fire Rated Glass Today
This white paper provides readers with a solid understanding of fire rated glass based on the two types of FRG recognized in the IBC – fire protective and fire resistive glazing. The white paper is intended to give readers the ability to specify the correct, code-approved FRG product for particular applications based on the most up-to-date version of the IBC.
| Feb 10, 2011
7 Things to Know About Impact Glazing and Fire-rated Glass
Back-to-basics answers to seven common questions about impact glazing and fire-rated glass.
| Jan 21, 2011
Virginia community college completes LEED Silver science building
The new 60,000-sf science building at John Tyler Community College in Midlothian, Va., just earned LEED Silver, the first facility in the Commonwealth’s community college system to earn this recognition. The facility, designed by Burt Hill with Gilbane Building Co. as construction manager, houses an entire floor of laboratory classrooms, plus a new library, student lounge, and bookstore.
| Jan 21, 2011
Music festival’s new home showcases scenic setting
Epstein Joslin Architects, Cambridge, Mass., designed the Shalin Liu Performance Center in Rockport, Mass., to showcase the Rockport Chamber Music Festival, as well at the site’s ocean views.
| Nov 16, 2010
NFRC approves technical procedures for attachment product ratings
The NFRC Board of Directors has approved technical procedures for the development of U-factor, solar heat gain coefficient (SHGC), and visible transmittance (VT) ratings for co-planar interior and exterior attachment products. The new procedures, approved by unanimous voice vote last week at NFRC’s Fall Membership Meeting in San Francisco, will add co-planar attachments such as blinds and shades to the group’s existing portfolio of windows, doors, skylights, curtain walls, and window film.
| Nov 3, 2010
First of three green labs opens at Iowa State University
Designed by ZGF Architects, in association with OPN Architects, the Biorenewable Research Laboratory on the Ames campus of Iowa State University is the first of three projects completed as part of the school’s Biorenewables Complex. The 71,800-sf LEED Gold project is one of three wings that will make up the 210,000-sf complex.
| Nov 3, 2010
Public works complex gets eco-friendly addition
The renovation and expansion of the public works operations facility in Wilmette, Ill., including a 5,000-sf addition that houses administrative and engineering offices, locker rooms, and a lunch room/meeting room, is seeking LEED Gold certification.