Gyproc Quicksand Joint Cement 25kg bag is an air drying powder that can be used for all floor, ceiling and wall systems. It is easy to use and sand, fills and finishes joints. It can also be used as a finishing product over Gyproc Easi-fill or Gyproc Joint Cement. For any further information or assistance with this product or advice about any others, please contact a member of our team today. We can also be found on Facebook or on our Twitter feed @buildmaterials. PLEASE NOTE :- Returns policy on plaster products: Due to the volatility of plaster products, once delivered or collected we regret that we are UNABLE to accept materials back for credit.