November 28, 200619 yr I just wonder if anybody has come across polypropylene fibres such as these http://www.bradshawsdirect.co.uk/Bradshaws...ct/REIN0090.htm 6mm Polypropylene fibres to strengthen concrete/render. Add to the final layer of mortar to create a crack resistant finish Approx. 20g of Rein Fibres needed per kilogram of cement mix Supplied in 900g bags: enough for 45kg of cement
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