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COVID-19 Update to Customers

Our stores in the Auckland region will remain open for Trade customers only. We encourage retail customers to use our Click & Deliver or Drive & Collect service. Customers outside of the Auckland region and other can still safely get what you need by shopping with us in-store or online. We continue to follow government advice, and thank our amazing team for all their hard work helping our customers.

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  • Can be cured fast or slow to repair gaps, cracks, holes and dents
  • Can be painted immediately to leave an invisible repair
  • Faster curing than conventional solvent or water-based fillers
  • Waterproof and will not rot
  • Added coloured oxide enhances staining

Please be aware, this product is considered a dangerous good and the amount able to be purchased may be restricted. Loading and transportation requirements apply to you when purchasing or collecting this product.

CRC Builders’ Fill is a permanent repair or filler that can be used on a variety of surfaces. It is ideal to repair gaps, cracks, holes, dents or replacing rotten or missing wood sections. CRC Builders’ Fill is smooth and easily applied, with exceptional adhesion. It can be moulded to shape and trimmed while still semi hard. The unique ceramic additive makes CRC Builders’ Fill a superior filler. It cures by a chemical reaction so it will not shrink like common air drying fillers, will not rot and is waterproof.
Once set it can be cut, sawn, drilled, chiselled, nailed, filed, sanded painted and screwed into.

We will gladly assist with returns and exchanges of this product in accordance with our returns and exchanges policy

Returns policy