brianwar45 (@brianwar45)

STS Construction Board 1200 x 2400 The Construction Board being water-resistant, more impact resistant and fully A1 fire-rated, it is a product that can be used instead of plasterboard and gives. Construction Boards will lose some strength when wet. Multiple tests have been carried out which included a pull through test at control. https://s3.dualstack.us-west-1.amazonaws.com/kerakoll.grout/kerakoll-grout-for-porcela.html