To increase the size, you’d have to build the new mould around the existing and pour new concrete around it, using either the craft mix or worktop premix. Each surface where the new concrete meets the old would need to be primed using our universal primer. In either case, you would then have to go … Continue reading I have recently casted a concrete table top using the ‘GRFC Concrete Worktop Premix’. We want the table top thicker/wider but the slab has already set. How would I do this?
You can easily fill the pinholes with our colour-matched Smoothing Paste. Simply apply this in the same way you would if you hadn't applied the sealer. Allow the smoothing paste to cure and apply another coat of sealer. Repair Guide Video Smoothing Paste Product Page
You definitely can shutter off the broken edges and use our Craft Mix. You will need to put a primer on the existing concrete to make sure the new concrete bonds to it The only issue with this would be that the craft mix won't match the colour of the rest of the hearth/surround. To … Continue reading Would it be possible to build an old polished concrete casted fireplace that has damaged edges and corners?
If you have made your concrete using our Worktop Premix, then the Smoothing Paste is perfect for filling in any small holes or imperfections. If you have used microcement then a small amount of the microcement can be used to repair any holes or imperfections. Take a look at our Repair Guide in our Video … Continue reading What do I do if there are holes on my concrete project?