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McElroy Metal introduces HydraShell underlayments for metal roofing

October 12, 2018

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. HydraShell MAX requires significantly fewer fasteners than competitive products and provides a durable deck cover. HydraShell Supreme SA is the best choice in high-temperature, self-adhering applications. The SBS modified asphalt provides excellent pliability and the cool gray surface reduces heat build-up.

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