For our 12 square foot countertop we needed three 60 pound bags of ready mix concrete.
Make my own concrete countertop mix.
If having complete control over your countertop mix is important you are probably better off starting from scratch says jeff girard of the concrete countertop institute.
The cost to make this mix is 22 00 per cubic foot or about 2 75 per square foot at 1 5 inches thick.
Use enough of the mix to fill the mold about halfway up the sides.
Use a concrete mixer to mix the ingredients after you have acquired their appropriate proportion.
When pour countertop mix if using xs veining material pour xs precast to the edge of your first vein and then apply veining material along the desired edge then clean any excess veining material with light air or you can and quartz.
Pour some water into the mixer and then add cement followed by sand and gravel.
Start to mix the concrete with water alternating the mix and water until all of the mix has been added.
Wear hand protection and press the concrete mix into corners to ensure proper coverage eliminate any large air pockets and roughly make level.
The mixing process gets really dusty and assemble the bucket concrete water pigments and mixer.
Adjust the measurements for either the short or long ends depending on how you want the boards to overlap.
Pigment additives come in powder or liquid.
The weights used in this countertop recipe will produce 1 cubic foot of concrete mix.
Scoop shovel or pour the concrete into the countertop form.
Cut the sides for your melamine choosing your desired thickness.
Before mixing the concrete put on safety glasses a dust mask and old or protective clothing.
He notes that when making your own mix you can tinker with accelerators superplasticizers pozzolans pigments and decorative aggregates to tweak the performance and.
Cut the side pieces to the desired thickness of your countertop plus 3 4 on both ends and one of the sides to adjust for construction.
If you want to add color to the countertop now s the time to add pigment to the mix.