If a company has a formal training program, it’s a safe bet that they have their act together. They can do training in-house through regular meetings of their employees.  They can have field training systems in place, usually coordinated with classroom training sessions.  They can also use trade associations, such as PDCA (Painting and Decorating Contractors of America) or paint manufacturer’s representatives to stay up to date with the latest materials and techniques. 
Thorough preparation is essential to ensure a good finish. Contractors might have to fill cracks or holes and remove old paint if it is badly worn, peeling or flaking. They remove all paint and apply a suitable primer to the bare surface. If the existing paint is in reasonable condition, they clean it and rub it with abrasive material to provide a key for the new paint. On new surfaces, such as bare wood or fresh plaster, they apply a suitable seal, followed by a primer coat. House Painting Denver CO
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