Author Question: Which one of the five values shown on an NFRC window label is a measurement of how much light comes ... (Read 69 times)

nmorano1 · **on:** Jul 24, 2018

Which one of the five values shown on an NFRC window label is a measurement of how much light comes through a product?

A) U-Factor Rating B) Visible Transmittance
C) Air leakage D) Solar Heat Gain

Question 2

The last step when cutting the exterior vapor barrier around a window opening is folding the top of the material up and away from the rough opening and then folding the barrier/retarder material back down over the top to maintain the drainage plane.

Indicate whether the statement is true or false