
Why Roof Underlayment Matters More in Phoenix, AZ
Roof underlayment may not be a common household term, but it’s an important part of your home, especially in Phoenix, Arizona’s harsh desert climate. It’s the protective layer between the roof deck and your roof shingles or tiles. Blocking heat transfer and moisture, this material plays an important role in home comfort and preventing damage from the elements. SharkSkin Ultra Radiant protects your home by reflecting heat that would otherwise pass through your roof. We’ll look at how it blocks radiant heat, plus other benefits, including roof deck protection against moisture, leaks, and mold. Understanding Heat Transfer Through Your Roof In summer, high temperatures around Phoenix, Anthem, and Prescott regularly exceed 100℉. Exposure to heat can cause the temperature of roof surfaces to rise above 150℉, creating thermal stress that can cause materials to crack, warp, and become brittle, create gaps in seals, or loosen fasteners. Heat transfer has significant









