What is epoxy fairing compound used for?
Fairing epoxy surfaces is a basic skill for epoxy users. Fairing refers to the filling and shaping of low areas so they blend with the surrounding surfaces and appear “fair” to the eye and touch. The goal of fairing is to create a surface without bumps or hollows.
What is fairing compound used for?
A fairing compound is typically composed of epoxy resin and low-density fillers, and is used to fill and shape low areas on surfaces like fiberglass, wood, steel, and aluminum. Fairing a surface creates a fair appearance that looks and feels smooth while blending with the surrounding area.
Is fairing compound necessary?
The key to successful fairing is to use a fairing compound that contains the appropriate resin and thickening agents to do the job properly. The fairing compound needs to bond to the substrate being faired, and the finishing material (such as primer, paint, or gelcoat) needs to bond to the faired surface.
How long does fairing compound take to dry?
15-20 minutes at 90°F, 30 minutes at 70°F, and 45-60 minutes at 50°F.
How thick can you apply fairing compound?
The Marine Epoxy Fairing Compound can be applied as thick as 1 inch in areas that can be worked on in 20–30 minutes. Do not apply the compound beyond the hardeners pot life.
Is fairing compound waterproof?
Epoxy fairing compounds are waterproof, and provide better adhesion, superior strength, better resistance to crazing (micro-cracks), and offer the best post-cure bond strength, compared to vinyl ester and polyester fairing compounds.
Is fairing compound flexible?
4118 Marine Epoxy Fairing Compound The white resin and gray hardener are mixed 1:1 by volume, not weight, until streaks are not visible. This compound has a potlife of 85 to 95 minutes, and will cure to be slightly flexible which will help to resist cracking.
Can I paint over fairing compound?
Fairing with epoxy products should not be performed over any 1-part paints.