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The Painting Solution: Episode 4
Another week, another episode! This time it is Episode 4 and today we are talking all about PREPARATION.
Just to recap, we’ve high-pressure cleaned and prepared all relevant surfaces, we’ve managed to source high-quality paint brushes and rollers, and our safety file requirements are in order and the documents have been signed off. It’s time to start with the application of the preparatory coats and primers. Let’s take a closer look at the various primers and undercoats as well as their uses.
The waterproofing sealants currently on the market are extremely durable water-based coatings with exceptional flexibility, abrasion resistant and waterproofing properties. The product contains fibres which act as a membrane to protect horizontal wall surfaces and parapets – the coating system also bridges small plaster cracks. This ready-to-use product has exceptional flexibility as well as being abrasion resistant.
Plaster Primer acts as a barrier between new alkaline plaster and subsequent topcoats. It may also be used as a binding agent for soft and powdery plaster, and as a sealer on exceptionally porous surfaces. Plaster Primer can be applied to alkaline substrates, such as interior and exterior cement plaster and concrete and fibre-cement, to protect subsequent coats against saponification. It is also used as a binding and sealing coat on soft and brittle cement plaster, porous paper-face board, brickwork, soft-board and gypsum plaster. It provides excellent adhesion and can normally be used with both solvent-based as well as water-based topcoats.
Metal Primer is an excellent product for all mild steel and galvanised iron surfaces. It is used as a primer for all mild steel and galvanised iron surfaces. Metal primer can be applied to metal surfaces to prevent rust from forming, particularly in humid and polluted areas, and is perfect for gates, balustrading, and garden fences. It has a unique red oxide formulation, which gives great protection against metal corrosion and degradation.
Wood Primer penetrates and seals wood, and creates a strong bond for subsequent coats of paint. It is specifically designed for interior and exterior, new and unpainted, hard and soft wood. It may also be used on wooden chipboard surfaces. Wood primer is slow-drying, has excellent wood penetration and sealing properties, and provides a good bond for subsequent coats of paint.
Universal Undercoat is a general-purpose, alkyd-based undercoating for plaster, wood, and metal. The product is applied as a ‘sandwich’ coat between primers and enamel topcoats, or between gloss enamels and emulsion topcoats – this is to improve inter-coat adhesion. Universal Undercoat may also be used as a general-purpose undercoat on previously painted or suitably primed plaster, wood, or metal as it provides additional build and filling for superior protection.
So, there we have it! It may not look like much has happened to date with your painting project but in fact, most of the work is now complete – the quality of the finish is always in the quality of the preparation. Any reputable painting contractor worth their salt should take their preparatory work extremely seriously as from there, only good things can happen.