Tennants are proud to have a long association with this Ireland based supplier of high quality, highly efficient Polyisocynurate Insulation, a range which was awarded an A+ BREEAM rating for green products. Ballytherm are a strong, rigid insulation board, primarily used in pitched roof, cavity wall, floor, and external wall applications. Board thickness ranges from 25mm – 200mm which will achieve at least the minimum building standard U Value targets required by building regulations when used in conjunction with other products and systems.