Repair Rotten Wood With Epoxy Putty - Free Form™ AIR FAST

Free Form AIR FAST is the ideal material for making quick, lightweight repairs.
Free Form™ AIR FAST is an easy to use epoxy putty that cures in minutes to a hard, strong and extremely lightweight plastic. Parts A and B are dispensed in equal amounts and mixed by hand.
Used at room temperature, working time is 6 minutes in a 60 gram mass (2 oz) and handling time is 30 minutes (tack-free, hard surface). Epoxy putty is easy to color with UVO™ color pigments.
You can smooth, texture, sculpt, or stamp while epoxy putty is in its “green” state. Cured epoxy is lightweight enough to float in water and can be easily carved, sanded, tooled and painted for finishing. It is compatible with original Free Form™ AIR, Free Form™ AIR HT and Free Form™ AIR Fire Safe.
Applications: Free Form™ AIR FAST is used for fast “rough shaping” projects, filling in voids and repair applications. Epoxy will bond to a variety of plastics (urethane, PVC, etc.) metals, wood, EPS foam, paper, ceramics, plaster, etc. It can be used for a variety of fast repair applications including marine repairs; it will cure under water. Epoxy Tooling - use as a filleting material or for jig/fixture construction.
Laminating - Free Form™ AIR FAST putty in between layers of EpoxAmite™ Laminating Epoxy and fiberglass cloth, carbon or other fiber for making lightweight composite parts.
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Smooth-On Fan Channel: Made By You

[@gladiatormechs5574]

is this product AQUARIUM SAFE ?

[@bobbysilver272]

Easier to replace the wood and will look more natural.

[@youngswoops]

Why not just replace the step?

[@midnitebo]

Because this isn't a channel about replacing a step. It's about demonstrating a product.