Great question! The material is the same Stone Coat Countertop epoxy for the seal coats as well as the flood coats--it’s just applied at different thicknesses. The seal coats are applied at 1 ounce of mixed epoxy per square foot, whereas the flood coat is applied at 3 oz of mixed epoxy per square foot.
First, you need to get the project flat and level before filling in any small cracks, gaps, knotholes, and bug holes with our Quick Coat and epoxy thickener. If you use the thickening additive, the product will become cloudy or milky, so we recommend using a metallic powder to color the product.
You'll do three "seal coats" on the surface using one ounce per square foot applied with a squeegee. (Some really porous woods require more than 3 seal coats) You will torch out the bubbles with a sweeping pattern. Let it set up overnight, and sand between coats. You will still see a lot of bubbles and imperfections during the seal coats. This is normal. Do not try to over torch the epoxy fighting the bubbles, just do 3 passes and walk away. After your 3rd seal coat, you’ll want to inspect your project and look for any pinholes. Now is your chance to take care of those (this video will demonstrate this).
https://youtu.be/QnKg49cXnNs?t=133
Then you can apply one or two flood coats of our Stone Coat Countertop epoxy using about three ounces per square foot. Be sure to torch the air out of each of the seal coats as well as the flood coats. The seal coats will look funny, but the reason of these coats is to seal, not to look good. After each seal coat has dried, you can sand with 220, but make sure to sand the edges as well so they are smooth before the next coat. Sand with 220 before the final flood coat.
Have an awesome day and give us a call for project support!
After that is complete, you will apply one flood coat using about three ounces per square foot applied with the 1/8 square notch trowel & brush to chop the top and torch. Be sure to torch the air out of the flood coat three times as well.
The seal coats will look funny, but the reason for these coats is to seal, not to look good. Sand with 220 before the final flood coat.
These will help too; here are a couple of videos to demonstrate:
How to Build a Solid Wood Table
Woodworking with Casting Epoxy
How to Build a Hybrid Epoxy Wood Table
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