Paint Roller Complete Guide: Every Thing You Need to Know About Paint Roller

2022-07-20 09:17
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Paint Roller Complete Guide: Every Thing You Need to Know About Paint Roller

Have you ever been confused by a paint roller when getting painting projects in your home? How to choose the right size of paint rollers? How do I use the paint roller? There are lots of questions about paint rollers. Today, with the help of many experienced paint roller manufacturers, I will give you a complete guide on how to choose the right paint roller for wall.

What Are Paint Rollers?

best paint roller for walls

Paint roller is a relatively basic tool used to apply paint evenly and smoothly to a surface. It consists of a long handle and a metal roller that holds a paint roller cover. The end of the handle has an integrated grip for easy use and control over the roller's movement. This type of roller is commonly made from plastic or fabric (such as felt), but it can also be made from wire mesh or even cotton cloth. A good paint roller for walls can cover large areas quickly and help you to make a flawlessly smooth surface. If you're looking to save money, paint rollers can also help you do that by allowing you to use less paint per coat.

Size of Paint Rollers

wide paint roller

The size of your roller depends on the surface you're painting. For example, if you're working on an area that's only about 4 feet by 8 feet, a small-sized roller will work better than a large one. You need to be careful when choosing the size of paint roller. A wrong paint roller could lead to splotchy coverage or thin applications that don't provide full coverage! There are three basic sizes for paint roller frames you can select:

Small Size

The smallest size, 4 inches, is used to paint narrow spaces. 4 inch rollers are good for painting small areas (like corners and edges) and for painting small details like the inside of a window frame. 4 inch rollers have a wider edge than other types of rollers, so you can use them on larger areas. They’re great for painting along edges where there isn’t much room to maneuver your roller around.

Medium Size

6 inch rollers are the most popular size. They are ideal for the most painting projects. 6-inch rollers can be used on a variety of surfaces, including walls and ceilings to cover large areas quickly and efficiently. They're also useful for painting woodwork such as doors or window frames, because they're narrow enough to fit into crevices while still holding enough paint to complete a job in one coat. If you need something even smaller than this, consider using an angled finish brush instead—they come in a range of sizes from 6 inches down to just 1 inch!

Large Size

The large roller, 9 inches in diameter, is suitable for large painting areas with less details. If you’re working with ceilings, floors, walls, a large paint roller is the right way to go. It covers large areas quickly and efficiently. Also, these paint rollers will get pretty heavy and hard to handle when loaded with paint. It have to be clear that you may need to pick up more than one size of rollers for your project. It’s not enough to use only one roller for your task.

The Science Behind Paint Roller Materials

Paint rollers are indispensable tools for both amateur and professional painters, transforming tedious projects into efficient and enjoyable tasks. At the core of a paint roller's effectiveness is the material it's made from. These materials are designed to hold and transfer paint to walls seamlessly, but what exactly makes one material more effective than another?

The majority of paint rollers are made from either synthetic fibers like nylon or polyester, or natural materials such as mohair or lamb's wool. Synthetic materials are generally preferred for water-based paints due to their ability to resist matting and maintain their shape. On the other hand, natural fibers excel with oil-based paints, offering unparalleled smoothness and coverage.

A paint roller consists of two main parts: the roller cover (or sleeve) and the frame. The roller cover is the part that actually picks up and applies the paint, while the frame consists of a handle and a rotating cage that holds the roller cover. The way a paint roller works is by absorbing paint into the fibers of the roller cover, which is then rolled across the surface to be painted, transferring the paint in a uniform layer.

The manufacturing of paint rollers has evolved significantly, with new technologies improving their efficiency and ease of use. For instance, microfiber roller covers are a recent innovation that offers superior paint holding capacity and smoother finishes, particularly beneficial for painting walls.

When it comes to choosing the best material for rollers, it often depends on the specific project. However, microfiber and high-density foam rollers are praised for their versatility and finish quality, making them common choices among professionals. Here is a sheet for you to help you figure out the difference.

NylonA basic material, used for most latex paints
Poly-amideLong service life, able to hold paint without splattering.
Natural coversUsually made by mohair or lambswool; suitable for oil-based paints or primers
Blended coversUsually made by polyester or wool blend, wide range of application
FoamSmooth surface, carry very little paint per charge

How to Use the Paint Roller?

foam paint roller

Most of people will do the painting project on their own for saving money. However, if you haven't used a paint roller before, you may get an imperfect and uneven wall. Hence, it's important to learn more about the usage of paint roller before starting a project. Here are some tips you need to keep in mind: 

  1. When you’re loading up a roller for the first time, it's important to know that the amount of paint on your roller will depend on what you're painting. A small wall or ceiling will require less paint than an entire room.
  2. If your rollers become too heavy, they can actually do more damage than good. Too much paint on a single coat will cause drips and uneven coverage.
  3. Roll horizontally first. As the paint on the paint roller decreases, the rolling speed can be appropriately accelerated. When the paint on the paint roller is basically used up, then roll vertically to level the uneven paint. For a good gloss, lightly brush again with a bristle brush.
  4. The key to paint a wall is using enough pressure to ensure complete coverage. However, excessive pressure will create streaks or splotches on the wall surface. What you need is just an even, light pressure.
  5. The paint roller does not need to be washed if it will be used again in next day. Just soak it in paint or clean water. Don’t forget to remove your roller cover from the roller frame. Remember, never leave the cover soaking in water. 
  6. When a project is completed, it can be washed with gasoline or thinner in the paint tray.

How to Choose a Good Quality Paint Roller?

Once you have a general understanding of the sizes and types of paint rollers, then you can begin to consider other factors when choosing a good quality paint roller.

Nap length

Every paint roller cover has a nap length. The longer the nap, the more paint it can hold. Because the nap length actually refers to the length of fibers. Different nap work better on different surfaces. If you're working with a short-nap roller and don't have enough time to let it absorb paint before rolling out onto your surface, you'll end up with streaks and uneven coverage. There some common nap length for different applications.

  • 3/8” nap roller, ideal for ceiling, drywall and any smooth surface.
  • 1/4″ nap roller, used for textured surface, producing the finest finish. 
  • 3/4″ nap roller, suitable for the rough surface.
  • 1/2″ nap roller, applied for light or medium textured surfaces 
size of paint brush


Sleeves are typically made of rubber or plastic, and their purpose is to protect the roller from getting damaged. They also keep paint from seeping into the roller.
The benefits of using a sleeve:
It keeps your roller clean when you're not using it - no more dried-up paint on your hands!
It helps prolong the life of your roller by preventing damage caused by dried-up paint.

Handle Length

The length of your roller handle is also an important factor, and you should take it into consideration. Long handles are ideal for large surfaces, while short handles suit smaller surfaces. If you have high ceilings or a big house to paint, look for a long handle that will reach every corner easily.

Frame of Paint Rollers

Once you've picked out the right paint roller for your walls, you'll want to make sure it's actually durable. The frame of paint roller is what you need to consider. Look for a sturdy frame that has good balance and also feels comfortable in your hand. It should be easy to hold and easy to clean so that you don't have to worry about maintenance when using it.

Good Roller Cover

You probably don't think too much about your roller cover, but it's actually a really important part of the painting process. The best roller covers are made from natural fibers, like cotton or wool. These materials can be adjusted easily for different types of paint—they won't buckle under heavy pressure from thick paints like lacquer or varnish, and they don't absorb moisture from thinner paints such as latex or acrylic either (which would cause them to warp). Covers can also be thrown away after each use. Some people prefer reusable versions made with synthetic fibers, but these should still be cleaned regularly so as not to stick together during storage.

Eco-friendly Options

A eco-friendly paint roller is a good option if you are concerned about the environment, it’s made from biodegradable materials and can be recycled. for making sure your paint roller is eco-friendly, you can look for one that says “100% biodegradable” or “100% recycled polyester fibers.”

All-in-one Kits

All-in-one kits can save you time. Because once you have the kit, there’s no need for any other additional tools. And if your project is small enough, it will save you money as well because there won’t be any need for additional roller covers or brushes. Bestuppliers provides all-in one kits for paint brushes. You can get full-scale paint brushes at cheap wholesale prices here!

What's the Difference Between Paint Brush and Paint Roller?

brush roller

Paint rollers are easy to use and require less experience than brushes. If you’re a new hand, paint rollers can be a great way to get started. They require no special training or expensive equipment.
Paint rollers are also useful for quick jobs, like painting ceilings and walls in large rooms. They allow you to cover more areas at once than brushes or other tools, which is why they're often used by professional painters who need speed more than quality results.

Advanced Tips for Professional Paint Finishes

Achieving a professional paint finish blends skill, preparation, and the right techniques. Start with thorough surface preparation by cleaning, sanding, and priming to ensure a smooth base. Adopt the "W" or "V" painting method with your roller for even distribution and to avoid streaks, enhancing uniformity across your work.

One key professional tip is maintaining a wet edge; overlap your paint strokes before the previous ones dry to eliminate lines and ensure a seamless finish. Opt for high-quality brushes and rollers for better coverage and smoother results, and consider using extension poles to safely reach higher areas without a ladder.

Lastly, patience is essential. Allow paint to thoroughly dry between coats to avoid compromising the finish's integrity. By following these condensed professional tips, you can elevate your painting projects to a professional standard, achieving flawless, durable results.


Hopefully, you have a general idea of paint brush now. Remember, It's important to know what type of roller will work best for your project. As long as you follow those tips above when choosing paint rollers for wall, you will get the best paint roller.If you have any doubt or concerns on paint roller sourcing,  you can also choose BESTSUPPLIERS, which provide with the most variety of paint roller suppliers sources at your favourable wholesale price, inquiry us now for more suggestion about paint roller usage and selection.

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