Whilst every care has been taken in the preparation of the Trumark Ceiling Tile Estimator, products and systems do change over time, and interpretations may vary, which means Trumark Pty Ltd cannot accept liability for the accuracy of information supplied (or lack thereof), or any consequences which happen as a result. The Trumark Ceilings Estimator is intended as a guide only and do not replace professional judgement. Installation of Trumark products must also be in accordance with the datasheets, which is also available on the Trumark website.