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27
Nov
It has been awhile since we started our Gel Coat Troubleshooting Guide. Here is another chart with some common gel coat problems.
| PROBLEM | CAUSE | SOLUTIONS OR ITEM TO CHECK FOR |
|---|---|---|
| Alligatoring (wrinkling of the gel coat) |
Solvents and contaminates |
Do not reduce with solvents. Check for contamination. |
|
Thin gel coat |
Use a minimum of 12 mils gel coat | |
|
Insufficiently cured gel coat |
Make sure to use the correct amount of catalyst. Make sure the temperature is not too low. Allow sufficient time between layers. Avoid any contamination. | |
| Blisters |
Under cured |
Use correct catalyst levels, mix well |
|
Air pockets |
Check roll out | |
| Delamination In Spots |
Contamination |
Make sure area is free from dust, solvent and moisture |
| Delamination in Large Area |
Gel Coat too Fully Cured |
Use correct catalyst level. Don't let the gel coat cure too long. |
Click below for Part 1 and Part 2.
Dallin Leach
