ACURLITE STRUCTURAL SKYLIGHTS, INC. 6 hile not an absolute value, the condensation resistance factor (CRF) is a rating number obtained under specified test conditions to allow a relative comparison of the condensation performance of the product. It provides a comparative rating of similar products of the same configuration and permits the determination of the conditions beyond which an objectionable amount of condensation may occur. The glazing’s U-value is not sufficient to define the energy use or condensation potential for the whole system (including the framing). The designer must evaluate the entire system, including perimeter conditions, to determine condensation potential. For high interior humidity buildings, such as swimming pools or museums, computer modeling of the skylight, and its thermal and incidental moisture exposure, is required to prepare a design that limits or avoids condensation. Acurlite understands the value and importance of these tests and has taken the time to invest in the AAMA 1530-09, and the NFRC 100, 200, and 500. When you need a skylight to perform thermally, look no further than Acurlite. W DANVILLE RECREATION CENTER DANVILLE, PENNSYLVANIA