Category Archives: Coating

Comparing Surface Preparation Techniques for Paints and Primers

By Joe Parker

Before you begin a project, it is a good idea to consider all of your options. Information about products or methods you may want to use is often available on product labels, from manufacturers, or your own experience. However, many times the information you need to make good choices is just not available. Then your best option is to test. In our most recent renovation, we had to figure out what to test for and how to do it. Continue reading

Varnish over epoxy

Testing House Paint Primers

By Tom Pawlak — GBI Technical Advisor

Gougeon Brothers, Inc. regularly engages in testing to support those who use our epoxy in architectural applications, both in new construction and repairs. In the past, we have tested the compatibility of house paint primers over WEST SYSTEM® epoxy and found that a variety of primers worked well. Latex primers especially performed well when applied over cured epoxy, even when the epoxy was marginally prepared prior to painting (Epoxyworks 7, Spring 1996). Continue reading

Porch Railing Coating Analysis

By Tom Pawlak — GBI Technical Advisor

My porch railing at home was badly in need of painting even though I had painted it the summer before. After just one Michigan winter, the paint had cracked and lifted. I wondered to myself if coating the top rail with WEST SYSTEM® epoxy would improve this poor situation and decided to turn the top rail into a small R & D project. Continue reading

varnish over epoxy

Getting the Clearest Fiberglass Finish

By Jim Derck

If you are using the strip planking method to build a canoe, kayak or even a telescope, you already appreciate the beauty of wood. The following tips will help you achieve the clearest possible fiberglass coating to protect and reinforce the wood and show off your handiwork. Continue reading

primer performance

House Paint Primer Performance

By Tom Pawlak — GBI Technical Advisor

In the past, we’ve recommended applying an alkyd base primer over well-cured, clean, and sanded epoxy surfaces. We wanted to know how this primer compared to the newer, fast drying primers now available. We recently did a study of various house paint primers over epoxy to support the growing number of customers using WEST SYSTEM epoxy for building restoration. Continue reading