Flash Harry

Flash Harry is a South African waterproofing brand specialising in bitumen-based roof sealers and flashing products. The range includes Bitumen Mastic trowelable waterproofing sealer, aluminium/bitumen flashing tape, and Vala roof sealer drip stop. Flash Harry products provide durable, weather-resistant protection for roof repairs, flashing joints, gutter sealing, and general waterproofing applications. Shop Flash Harry at Securadeal.