"We Are More Than Just Painters"
Primers and Paints . . .
All professionals and experts agree that anyone considering a painting project should use only top quality coatings. Top quality primers and paints provide better durability and coverage, are easy to apply, are excellent at resisting mildew, offer better color retention and a longer lasting sheen, and provide great value in the form of lower long term maintenance costs. Cheap or low quality primers and paints are less durable than top quality primers and paints and fail prematurely due to changing temperatures. Surfaces and coatings expand and contract with changing temperatures, and low grade primers and paints do not adhere well to well-prepared surfaces. Early repainting becomes necessary when using inferior "bargain" and thinned primers and paints.
The two basic components of coatings are pigment and vehicle. The pigments provide color and hiding power. Also found within the pigment group are titanium, calcium carbonate, and silicate. Titanium is used to form a film that bonds with paint binders (resin), and together they are responsible for adhesion, providing resistance against blistering, chalking and stains, and offer superior color retention. Calcium carbonate smoothes the titanium out. Without the calcium carbonate, titanium would ball up. Silicates provide hardness. These three ingredients are essential to the pigments, especially titanium. The more titanium, the better the paint. Vehicle is the binder and thinner of the paint. The binder forms a film that holds the paint together. The most common binders found in residential coatings are acrylic latex, vinyl acrylic latex ( water base ), and alkyd ( oil base ) resin.
Always remember to never use one brand of primer or paint, over another brand of primer or paint. Manufactures may formulate their products differently causing adhesion problems. Repriming may be required when a specialty primer is needed. Always follow the manufactures suggestions on the products your considering.
Primers and Sealers
Latex primers and sealers may perform as well as oil primers and sealers except on severely stained and heavily chalked surfaces. Breathable alkyd primers and sealers offer far better adhesion than acrylic latex primers and sealers and are highly recommended for any paint project, including new or previously painted or weathered wood, or new or previously painted ferrous metals. Rust inhibited primers and sealers are highly recommended for metals. Breathable alkyd primers and sealers will also penetrate wood surfaces better than latex paints and are crucial for protecting wood from water, because the alkyd binders form a tighter film of paint. They should be top coated with one to two coats of acrylic latex finish paint to minimize the risk of water penetration and surface bleeding. This coating system also gives the longest term protection against chalking by protecting against the ultraviolet rays of the sun. Homeowners may want to consider tinting primers and sealers the color of the finish paint. This will allow the finish paint to cover more easily.
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