How To Make Custom Concrete Countertops using GFRC

Forton® VF-774 is an all acrylic, co-polymer dispersion (51% solids) specifically formulated for the GFRC production process. VF-774 is UV stable. It is further formulated to be stable and durable in the high pH Portland cement-based GFRC composite.

The Primary Benefits of Using Forton® VF-774 are:
• Elimination of the seven day wet cure required to achieve the maximum strengths of the GFRC composite.
• Significant improvements in the long-term durability of the GFRC composite, especially the maintenance of the long-term flexural strain to failure property, i.e. ductility of the composite.

Make It Now! with Smooth-On

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Adult Supervision Required
Keep Out Of Reach Of Children
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[ti_doo]

Hi, smooth on crew. I love your work and videos. I have a question if you don't mind answering: how do you calculate the shrinkage of gfrc table top? I have cast a dfrc table top and it shrunk 2mm from total of 1612mm length. I have a project were I am about to cast kitchen island tabletop with legs and thickness is about 40mm, and length- 2000mm. How woould you estimate? Thank you

[ikatz]

What glue is used to install the panels? Is it just cold silicone?

[MatthewVieck]

What is the nozzle size for the mist coat? Trying to get a starting point for mine. Thanks

[Sunvibes-vv]

Hi there. Please advise how to make slurry mix? Ie is it just water, pigment, vf & cement?

Thank you!

[chinhvannguyen]

Nice, you mix fiber 3% of cement or 3% of total weight concrete? tks

[gonzalopmolina]

Hi, from Argentina!
I do love al your job and techniques.
What I really want to know, is the correct combination between air pressure, air flow and air nozzle size (I have three, 4, 6 and 8 milimeters, in order to obtain the finest concrete face coat finish.
Here in Argentina we don’t have enough information about almost anything.
Thank you in advance from a big fan of you in Argentina!
Gonzalo Molina

[ДмитрийБ-щн]

Hello please tell me you usually use Smooth melamine or a little rough. Thanks

[Sunvibes-vv]

Amazing work and content guys! With regards to pouring a cast on a hot day how much ice per total water amount is needed to help keep the mix cool and pliable?

[getinsidelife]

what that weight stress test proof with this pallete distributing forces at the edges. lol

[dsmasynergy]

Great vid. How will you repair or change the air lines and electrical if you need to? Shelves are glued on, might be hard to service.

[teferigebeyehu]

I like your work. Can you please make a video on how to produce concrete table top with brightly colored face coat?

[tommylee]

Great video! I'm about to build my own concrete kitchen top, but I'd like it to be thin. What's the minimum thickness I could use? 3/4 inch could be ok? It would lay on all the cabinets, so I guess It won't get much stressed. Or maybe could I reinforce it with steel, or even lay the slab on plywood? Thanks for helping!

[teferigebeyehu]

I don't think that durability is not only related to strength as you showed on the last part of the video! Mainly resistance to freeze and thaw, abrasion, carbonation, staining etc ... constitutes durability. Anything related to aging of the concrete!

[peterbeyer]

Can this be done on a strong table or does it have to be done on a floor?

[bmw]

Is the measurement of "Parts" done by volume or weight? For example 100 parts cement, 85 parts sane Silica sand, is it weight or volume that determines the measurement?