Bradbond Walling Adhesive is a flexible cladding adhesive for external & internal floor & wall applications. It is specially formulated to make it easy to work with when fixing brick slips & natural stone to a range of substrates including sand / cement render, brick or block work. It can also be used with external wall installation systems. Simply mix 4.42 litres of clean water with each 17.00kg tub & apply 1.00m 2 at a time to a thickness of 3-20mm before leaving for 16 hours to set. Typical coverage per tub is 4.25m 2 at a depth of 3mm.