Choosing the right Paint Roller
Written by Ray Munn LtdThere are three main ways to apply plaster or paint to your walls: using the conventional trowel and spatula, using an ordinary or airless spray, using a brush or using a roller.
Rollers are usually preferred for the even finish they give even when used newcomers to DIY, rather than risk the blotchy surface a trowel or brush might leave, especially when handled by novices.
It is also a fact that most paints in the market are tailored for use with rollers. There are a number of different rollers in the market today. Though cost might be a critical factor, what should ultimately determine the roller you pick for the job is the type of surface you will be working on.
Mini-rollers are a handy and light version of the standard roller. They help to counter the tendency of rollers to get weighed down with plaster when applying thicker varieties of plaster. However, due to their small size, you may need extra hands to help you if you have a large area to work on. There are speciality rollers which are used to give the paint job different textures. These have designs etched into them to leave a unique pattern on the walls you apply them on. Such rollers are great for decorative finishes.
A rule of thumb when selecting a roller is the smoother the surface, the shorter the length of the roller nap and vice versa. For surfaces such as hardboard or plastered surfaces, a roller with a ¼ inch nap would be appropriate, for tougher surfaces such as concrete, ¾ inch nap rollers would be preferable. These rollers with longer hairs are sometimes referred to as rough nap rollers. Another important consideration is the material used to make the core of the roller. If you want a durable roller, it is wise not to go for one with a cardboard core. This is because they absorb water, thereby losing their shape after some time.
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