Insulation You are hereYou are here: Home / Insulation What Is R-Value? If there’s one phrase you hear mentioned a lot while you’re looking at what insulation to purchase for your home, it’s R-value. But what is R-value? Do you actually know? If you’ve been unsure until now, read on. What does the “R” stand for, anyway?News Category: Insulation Read more about What Is R-Value? Pages« first ‹ previous … 3 4 5 6 7 8 9 10 11 … next › last »