Types of paint brush

Summary: Types of paint brush and the differences they have and when to use them

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Quality paint brushes from the tool storeRecognising and choosing different types of paint brush for different jobs is something even the pros have trouble with now. Largely this is because brushes have got so much cheaper over the last 10 years it is now possible to buy reasonable quality brushes for such a low price it is cheaper to throw them away when the job is finished than it is to spend time cleaning them properly. This is, however, still not true of the top quality brushes used by the top quality tradesmen and it is always a sign of a good decorator when you can see them cleaning their paint brushes. It may even be a question you want to ask them when you are getting quotes for a decorating job.

Paint brushes are made from either synthetic fibres or natural hairs. Natural hair brushes are usually Chinese Hog or badgers hair and are recommended for use with oil based paints as they flow more smoothly and actually paint on the surface rather than simply "spread" the paint about. Synthetic brushes, e.g. Nylon or Ployester can be used with all paints but their use with water based, emulsion paints, is more usual. Chinese hog bristles absorb water which makes using them with water based paints very difficult and getting a good finish is almost impossible. Other natural fibres used for good quality paint brushed are Camel hair brushes, Squirrel hair brushes and Sable hair brushes.

Specialist, Badgers hair brushes are probably the most expensive brushes and have the softness to allow an excellent finish with oil based paints and all varnishes. When used properly they do not leave brush marks and literally smooth the paint or varnish over to a great finish. These are expensive compared to the throw away synthetic brushes but are much easier to clean and take care of.

Long reach brushPaint brushes come in a variety of sizes for different uses. A 6 inch (150mm) brush would be great for painting a wall with emulsion but not a great deal of use for painting skirting boards. Different paint brushes also have different handles. Paint brushes with wooden handles usually reflect the cost of the brush and are better, and easier to holdAngle or "chisel" brush while plastic handles do tend to reflect a cheaper brush.

The two real problems with cheaper brushes is that the bristles tend to be stiff, leaving brush marks in the surface, and the bristles can fall out. This is a huge hindrance when painting a tricky door or window frame and add hours to the painting when picking hairs out of new paintwork. Always look at the ends of the bristles when choosing a paint brush. Good quality brushes have split ends. This splitting of the ends is called flagging and flagged end brushes will allow more paint to be collected and delivered to the surface in a much more even and smoother way. The more a brush is flagged the more paint it will hold and it will leave paint on the surface rather than brush marks. A further sign of a good quality brush is tapering on the bristles from a thicker end inserted into the handle to a thinner "business" end.

A good quality paint brush will also have bristles of varying lengths. This also helps to hold more paint and release it more smoothly onto the surface. Cheaper brushes contain single thickness, generally unflagged bristles. The best synthetics are Nylon and Polyester brushes. These are usually tapered and multiple sizes are used in the brush to give a better paint holding quality. The handle end, where the bristles are held, is called the ferrule. In this ferrule there are tiny (in good quality brushes) wooden wedges which spread the bristles apart a little to give better paint holding quality. In poor quality brushes Sash brushthese wedges are bigger and the amount of bristle is less.

For specialist painting jobs like painting windows and cutting in edges, smaller, cut end brushes can be used. These ends can be cut to a point, as is the case with a sash brush, or cut like a chisel to allow the decorator to get into the sharpest of corners. Once again it can be seen that to get the best out of any painting job, the use of the right products is essential.

Special brush combs can be bought for combing the bristles of good quality brushed when they have been cleaned. More can be seen about this in our cleaning and restoring paint brushes project. Look to the left of this page for more painting related projects.


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