Uses of Spray Shellac

Written by susan revermann Google
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Uses of Spray Shellac
Spray shellac on a screen to protect it from elemental damage. (Comstock Images/Comstock/Getty Images)

Shellac is made from a natural insect resin that you can find in liquid or spray form. Not only is it a naturally occurring substance, it is also a renewable resource, environmentally friendly and nontoxic. This multipurpose product can be used to prepare, protect, seal or finish projects. Use it on any number of surfaces, such as wood, metal, paper, plastic and ceramic. You will find that it dries fast, doesn't change colours over time and is user-friendly.

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Undercoat

Use spray shellac as an undercoat or primer for your chosen project. It evens out and seals the surface, fills in any pores and gives paint an agent to adhere to. It can be used on porous surfaces, such as wood, plywood, drywall and plaster, and nonporous materials, such as metal, glass and ceramic tiles. Regular aerosol sprays have a hard time sticking to nonporous surfaces, but spray shellac adheres to them nicely. Once the shellac has been applied as an undercoat and dried thoroughly, sand the surface with fine-grit sandpaper and then apply the paint. Subsequent coats of paint should come out uniformly.

Finish

Spray shellac can be used for areas that need a touchup, finishing layer or some refinishing of the surface. If your desk, door frame, bike helmet, stairs, tiles, model car or other surface looks dull or chipped, a layer or two of shellac can restore the surface to its original beauty. If you have recently sanded and stained a wood table, piece of furniture or picture frame, you can add the finishing touch with a coat of shellac. Craft projects, such as paper mache, ceramics or table decorations, can benefit from a shellac finish. It offers a protective coating, smooth surface and a shiny finish. A coat or two of spray shellac will have the surface looking new in no time at all.

Sealant

Spray shellac can be used on interior wood surfaces to seal areas that are leaking sap. It is also used in exterior landscaping settings on trimmed or pruned trees, bushes and shrubs. You can spray a thick layer of shellac, at close range, directly on the area that you cut or pruned. This will help to seal the surface of the cut site and prevent sap from dripping from these areas.

Protection

You can use shellac on aluminium door screens as a means of protection. It will help to reduce copper staining and oxidation from the elements. To apply spray shellac to aluminium screens, lay the screen flat, angle the spray nozzle above it at a 45-degree angle and spray until you completely coat the screen. Flip it over and do the other side. One to two coats should be sufficient. Allow the screen to dry thoroughly, or for about an hour or so.

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