Category Archives: Gelcoat Blister Repair

Repairing Individual Gelcoat Blisters

By Tom Pawlak

Gelcoat blisters can be a serious problem if left unattended. At some point, your hull may need extensive repair, including gelcoat removal and epoxy barrier coats as described in Gelcoat Blisters: Diagnosis, Repair & Prevention. However, if you have isolated blisters and a manageable number to repair individually, we often recommend that you patch individual blisters and continue to use the boat until you determine the cause and extent of the problem. Continue reading

Gelcoat Blister Repairs

by C. Joe Parker, Michael D. Arndt and Timothy J. Atkinson

In Epoxyworks #3 (Fall 1993), Robert Monroe discussed the idea that polyester is subject to degradation in much the same way as wood is affected by rot. Many cases of blistering are actually much more than a blister directly under the gelcoat. These blisters may be the first sign of laminate degradation. Once this degradation begins, it may be as difficult to stop and just as damaging as rot is in wood. Continue reading