Posted by. Connall O we have 3 x pallets of Knauf Gifa floor screed board available. 28mm, very sturdy, fantastic acoustic quality Location Barry, Vale of Glamorgan, CF62 5QN what3words More from this seller4 x sheets of 25mm PIR insulationWhite plastic drainage pipe - various sizesRockwool Cavity fire protection watch this item contact the seller Share this post