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Web Extra: Working With Epoxy and Patinas

From "Freeform Furniture"
episode DFFF-203

Host Amy Matthews shares tips about working with epoxy and patinas.

Amy shares tips on using epoxy.

Working with Epoxy

The epoxy used on this project is a clear, fast setting, flexible epoxy that is mixed in a 1:1 ratio of epoxy adhesive and sealant mixture. It is ideal for adhering surfaces that are dissimilar. It remains clear and colorless even after it is cured. This epoxy has a short, four minute working time, so it requires you to work quickly.
Before applying the epoxy to a metal surface like the one in this project, clean the metal surface with a degreaser. Abrade the surface using fine grit abrasives. Then wipe the surface again to remove any loose particles.
When applying epoxy, use gloves to minimize skin contact. For this type of epoxy, the two parts are in two separate barrels. There is a special mixing nozzle. When the plunger is depressed the two parts of the epoxy are squeezed together into the mixing nozzle and mixed on its way down the chamber. By the time it comes down the end of the chamber, it is one single bead of premixed epoxy.
Application should occur within three to four minutes. Larger quantities and higher temperatures will reduce this working time. The product will cure in 48 hours.

Amy shares tips on applying patina to copper sheeting.

Working with Patinas

A patina is a surface affectation that happens to metal with age through applying chemicals or from corrosion. The liver of sulfur patina used on this project turn the copper a rich, earthy brown color and the color gets richer with time.
You can get patina at your local home improvement store. A four ounce bottle of sulfur patina costs approximately $3.50.
To apply the patina, first clean the metal with a degreaser and wipe it down with a clean rag. This step takes any oils off the copper so that the patina will adhere to it.
Mix one tablespoon of patina to one cup of cold water. Let the mixture settle.
Apply the patina to the copper surface in nice even strokes using a cloth.
Wear a respirator and work in a well ventilated area when working with patina.
To get a dark, aged look, go over the copper surface with a few coats of patina. The more patina added, the darker the surface gets.
Do this application process on all of the exposed copper.
Lastly, go over the surface with steel wool. Steel wool helps to blend the patina and control the oxidation process--the speed with which the oxygen released by the patina corrodes the copper.

RESOURCES :

Festool
Website: www.festoolusa.com

Stanley Tools Product Group
Website: www.stanleytools.com

Lie-Nielsen Toolworks, Inc.
Website: www.lie-nielsen.com

Power Tools
Porter Cable Power Tools
Website: www.deltaportercable.com

Gladiator GarageWorks
Website: gladiatorgarageworks.com

Hand Tools
Garrett Wade Co., Inc.
Website: www.garrettwade.com

The Peck Tool Company
Website: www.pecktool.com

Biesemeyer
Website: www.biesemeyer.com

Saw Blades
Forrest Manufacturing Company
Website: www.vacupress.com

Jogensen Adjustable Clamp Company
Website: www.adjustableclamp.com

Adhesives, Abrasives and Safety Equipment
The 3M Company
Website: www.3m.com