Mastic adhesive is made from the sticky resin of the mastic tree, which grows in the Mediterranean. Because of its sticky nature, it is used as a bonding agent in many commercial applications. Some types include construction adhesive, industrial adhesive, and ceramic tileadhesive. Depending on the application, the adhesive is available in thin liquid, thick glue, or paste form.
When used in construction, mastic adhesive is typically in liquid form and applied with a caulking gun. The adhesive is squeezed out by hand in a thin line along wall or ceiling joints. The strength of the adhesive helps hold load-bearing walls in place. In ceilings, the quick-setting adhesive eliminates the need to support heavy drywall for extended periods of time. Construction adhesive is also used as a temporary hold for fixtures so they can be nailed or screwed in place by one person.
Industrial uses for this adhesive include repairing duct work in the heating and air industry. This is due to its heat resistant properties and the ability to seal and form and a strong bond. The adhesive also bonds with most any material, so repairs to concrete, brick, or mortar are also possible. The adhesive for industrial uses comes in a finely ground powder that is mixed to form a paste. It is smeared onto the repair area and allowed to dry.
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