The best way to answer this is to compare your concrete to a piece of wooden furniture. Wooden furniture is most commonly sealed with a varnish. To add ongoing protection to the furniture a furniture polish is sprayed on and buffed up to a shine. The polish is essentially a wax. Whilst its entirely optional, … Continue reading Do I need to use concrete wax as well as a concrete sealer?
I’ve made my concrete and its warped or curled. Why has this happened?
Firstly, don't worry. As long as you catch this fairly early you can resolve it. Curling or warping generally happens when one side of the concrete dries out quicker than the other. So for example if you have used our Worktop Premix Kit and have left the concrete uncovered in the first 18 hours then … Continue reading I’ve made my concrete and its warped or curled. Why has this happened?
Is microcement suitable for a walk-in shower or wet room?
Microcement is suitable for wet rooms and walk-in showers because it is a waterproof product. However it is only as good as the substrate onto which it is applied so it should only ever be used as part of a wet-room system.
Do I need to use mould release in my mould?
Mould release will make the job of "demoulding" far easier and will eliminate the likelihood of any face coat sticking to the mould. Here is a link to the concrete lab mould release oil. https://concretelab.co.uk/products/mould-release-oil-1-litre?_pos=1&_sid=c4c34fdc4&_ss=r
Can Concrete Lab Microcement be used outside?
Our microcement can be used both internally and externally. In both settings it will require a sealer to be applied to afford it water-resistant properties. https://concretelab.co.uk/collections/microcement/products/microcement-polished-concrete-10sqm-kit https://concretelab.co.uk/collections/microcement/products/gi-gi-sealer
What is the recipe for GFRC Concrete?
This does vary because no two cements are the same, sands are of different grades, some additives are stronger than others but the general recipe is as follows; A Equal parts Cementitious Material and Sand (Cementitious Material = Cement and up to 25% of Pozzolan) B Acylic Polymer - 5-6% cement weight C Superplasticiser - … Continue reading What is the recipe for GFRC Concrete?
Can I add dyes to my concrete?
Yes you can add dyes to add colour to your concrete. We sell a selection of dyes on our website. We advise that you purchase a small quantity of dye and do some tests because colours on screen rarely reflect the colour in real life. Here is a link to the dyes we sell.
Should I use CSA Additive to accelerate the curing of my concrete?
Generally with our Premix and Craft Mix Kits, CSA is not required. The blend and quality of cementitious ingredients will ensure that the concrete will cure quickly enough to be processed within 24 hours of the initial pour. If you are blending your own sourced cement, sand and additives the CSA can be a good … Continue reading Should I use CSA Additive to accelerate the curing of my concrete?