epoxyresinWhat to check before choosing this formula
| Mix A : B by volume | 1 : 1 |
|---|---|
| Mix A : B by weight | 1.11 : 1 |
| Layer and pour limits | ≤1/2 in coating/river; 2 in small casting ≤10 fl oz. |
| Working and curing context | TDS at 70°F: pot 10 min, work 30 min; recoat ≥4 h. 1/2 in coat: tack-free 6–8 h; sand 24 h; light use 48 h; full 3–5 d. Demold ≥24 h; wet sand/buff ≥5–7 d. |
| Workshop conditions | 65–75°F; RH <60%; optimum 70°F. |
Compare 1 gallon kit on Amazon
TotalBoat ThickSet Cast + Coat: check the selected 1 gallon kit, included components and current offer. Read the formula limits before choosing it for your project.
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View 1 gallon kit on Amazon ↗Choose the current Cast + Coat formula deliberately
Current ThickSet Cast + Coat uses equal volumes, unlike the older 3:1 ThickSet formula. That revision makes the exact container label a critical part of choosing instructions. Do not combine an older hardener, a new resin and a ratio found in a tutorial.
Its half-inch allowance for larger layers is the useful starting point for a river or broad casting. The two-inch headline belongs only to a small casting containing no more than ten fluid ounces. Measure the entire cavity before interpreting that exception.
Compared with Fathom, this formula has a shorter working window and a different intended batch scale. A small decorative casting and a substantial river pour may both be two inches deep while requiring entirely different systems.
Plan the measuring and mixing stage
3–5 min; transfer; 2–3 min. 8–10 min total process.
Advisable ≤1 gallon; amount usable within 20 min.
Allow for the whole cure schedule
TDS at 70°F: pot 10 min, work 30 min; recoat ≥4 h. 1/2 in coat: tack-free 6–8 h; sand 24 h; light use 48 h; full 3–5 d. Demold ≥24 h; wet sand/buff ≥5–7 d.
Working time, demolding and full service are separate decisions. Record room conditions and actual mixed quantity in your project notes, and do not use a hard surface alone as proof of complete cure.
Limitations & open questions
- Page working/pot test temperature 77°F vs TDS 70°F.
- Fathom comparison has stray <16 oz ThickSet limit; prefer TDS 10 fl oz.
- Legacy ThickSet 3:1 and 5–7 d material must not be merged into this formula.
A depth ceiling is only one condition. Verify total mixed mass, geometry, temperature and the exact kit revision before planning a pour. A smaller package of the same formula does not automatically change its operating limits.
Exact kit options
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Check the selected kit before ordering
TotalBoat ThickSet Cast + Coat: check the selected 1 gallon kit, included components and current offer. Read the formula limits before choosing it for your project.
As an Amazon Associate I earn from qualifying purchases. We may earn a commission from the paid links on this page. How affiliate links work.
View 1 gallon kit on Amazon ↗Sources & further reading
Manufacturer documents can change. Match the full formula name and kit instructions. This page is based on document research, not our own product testing.
