Long term thermal resistance (LTTR) five years later

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Abstract
After 5 years of experience with this test method, some researchers have identified potential positive bias (over predicting) especially for XPS insulation.

Date
3/2007

Author(s)
Richard Roe

Page(s)
12-16

Source
Roof Consultants Institute

Keyword(s)
LTTR; long term thermal performance; insulation; Canadian standards; S770

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