McElroy Metal introduces HydraShell Underlayments for Metal Roofing
BOSSIER CITY, La. — HydraShell MAX and HydraShell Supreme SA are McElroy Metal’s new underlayments.
HydraShell MAX is the standard synthetic underlayment and HydraShell Supreme SA is a peel-and-stick underlayment. HydraShell MAX has a four-layer construction and can be used under all types of finished roofing materials, including steel roofing and is suitable for roof pitches as low as ½:12.