How to install quarter round around door

Quarter round- where the floor meets the baseboard.

One of the molding styles, quarter round, is generally paired with a baseboard. This is used to cover the gaps and disfigurements between the baseboard and the floor.

Use of Quarter round style while molding the corner of the doors, bathtubs, or bricks is quite common and looks aesthetically beautiful.

As most homeowners and carpenters prefer this molding style, it’s natural to be curious as to how to install a quarter round around the door. Here’s an explanation as to how you can do this task and what else you need to know and require to complete the task.

Things you require to install quarter round around door:

For installing:

  • Measuring tape
  • Pencil for marking
  • Saw
  • Quarter rounds
  • Drilling machine (drill bit is slightly smaller than the nails)
  • Nails
  • Hammer
  • Nail gun with a compressor instead of a hammer

For touching ups:

  • Adhesive Caulk or caulk gun
  • Wood putty
  • 180-Grit sandpaper
  • Paint
  • Wood stain

Estimated cost for installing quarter round around door:

The estimated cost to install a quarter-round around the door is $4.90 per linear foot. If you are planning to complete the installation process by yourself you can reduce the per linear foot price to $0.85- $2.25. If you have your own tools, then you can save up to 75% of the cost and will be considered a pro. But if you are a beginner and don’t own the necessary tools, then it is recommended that you hire a contractor for the installation as that will be both easier and less costly.

Process of Installing quarter round around door:

Step 1: Measure the area around the door

Though Every room’s door has similar measurements, there can be little difference and in the case of molding, the slightest difference can be crucial. So it is necessary to measure the area around the door precisely as the quarter round has to be cut according to the door’s measurements.

So, let’s discuss “How to measure for quarter round”, 

  • Use a measuring tape and take the measurements of the inside corners and the outside corners along with the side’s length. 
  • If the upper inside and outside corners are somewhat of 3/4 inches, then add about ½ inch with the actual measurements.

Step 2: Chose the moulding material

While choosing the molding material, you should be careful about the color of the area beside the door. If the material or paint doesn’t match the surrounded area, the molding will not look satisfying.

Step 3: Cut or Buy the quarter round according to door

You can cut the quarter round or buy it. If you are wondering about how to cut quarter round at door frame and want to cut the quarter round, For cutting the 45-degree angle.

  • Use the saw and cut the corners in a 45 degree angle. 
  • Use a miter saw and Set the angle at 45 degree.
  • After that you have to put the quarter round at the table and 
  • Cautiously cut the 45 degree angle. 

It is easy to cut a 45-degree angle with a miter saw nowadays. You can use a hand-saw as well. Check the miter saw here.

For installing a quarter round around the door, 

  • the quarter round end angle of the upper part has to have two 45 degree angles 
  • the other two long parts need to have a 45 degree angle at one side which will be joined with the upper part.

If you decide to buy the quarter round, you can buy it according to your measurements. And then you can trim it.

  • Quarter round molding comes in whole pieces from 6 to 12 ft (1.8 to 3.7 m) in length. 
  • Try to use a single piece to mount to a wall. 
  • Quarter round molding is typically about 34 in (1.9 cm) wide.

Step 4: Stain the quarter round

After trimming the quarter round, you should stain the quarter round with semi-gloss paint. By doing this, you will be able to match the color of the door frame with the wall around the door.

Make sure you pick the semi-gloss paint. It will help you get a superior finish all the time.

Along with that, this type of paint dries quickly. Certainly, you do not have all day for the paint to dry. Check here your favorite stain.

Step 5: Paint the quarter round

Painting the quarter round is important to cover the nails on this. The nails look like black spots and create imperfections to the sight. To remove these imperfections, painting is the best option. 

Step 6: Mark spots for nails on the quarter round

After you have gone through the stage of “How to cut quarter round inside corner”, it’s time to place the quarter round above the door area and mark spots for the nails as the marking is beneficial for the perfect nailing process.

Step 6: Drill a pilot hole

After marking the spots with a pencil, drill a pilot hole on the marked areas. Generally, it’s best to use a drill bit that is slightly smaller than the nails, a 116 in (0.16 cm) drill bit is best.

Drill the pilot holes downward at 30° to 45° angles. You may want to use an electric drill machine for better performance. Check some drilling machines here.

However, if you have a manual drill machine, that will work fine.

Step 7: Nail the quarter round

After drilling a pilot hole on the quarter round around the door, place the quarter rounds against the wall around the door and hammer the nails on the quarter round through the pilot holes.

Step 8: Use of nail gun alternative to hammer

You can use a nail gun with a compressor to install a quarter-round around the door frame as this is easier than using a hammer and nails.

Also, the use of a nail gun with a compressor gives a better finish.


you can use a brad nailer as well for quarter round.

You can check our guide to pick the best nail gun for quarter round as well for a detailed guide.

Step 9: Fill the gaps with a caulk gun

Generally, the use of a caulk gun is not necessary unless you have made a mistake while cutting the edges of the quarter round and there are visible gaps between the joints. Check some caulk guns.

If you need to use one, slice the tip-off a canister of adhesive caulking and then load the canister into the gun. While applying, you need to hold the gun nuzzle slightly above the top edge of each piece of molding.

Step 10: Give a finishing touch

To give the installed  quarter round a finishing touch, do the following things:

  • Spread a dab of wood putty to cover up nails. Wood putty comes in small containers or tubes.
  • Putties should be colorful or should match the color of the quarter round.
  • It’s necessary to fill up the gaps and smoothen the uneven areas of the quarter round. For smoothening the area with caulk and filler, use 180-grit sandpaper.
  • When you are done blending them, use a wet or damp rag to remove any debris.
  • Paint the quarter rounds with a semi-gloss paint.

Safety precautions:

Here are some of the things you should be careful about while installing quarter round around the door or for any of your projects:

  • While operating saws

Operating saws requires various safety precautions as this can hurt eyes, ears if not aware enough. So don’t forget to use goggles, dust masks, and earmuffs.

  • While painting or staining

Painting or staining in a small or reserved area can be hazardous for the breathing system. So, don’t forget to do these tasks in an open area.


Do you put quarter round around door jambs? 

Door jambs are a specific part of the door frame which is there to take the weight of the door and keep the rest of the frame square. If you have a square doorstop, you can trim around the doorjamb with a quarter-round.

How do you install a quarter-round door? 

Measure the inside and outside corner of the door, trim and cut the quarter round according to the measurements. Then put the quarter round around the door, use a nailing gun to attach the quarter round. Then you can give a finishing touch by blending and painting that.

How do you cut a quarter round for a door frame? 

Cut a 45-degree angle at the end of the quarter-round trim. For this, you should adjust your Meter saw at a 45-degree angle and place the quarter round in the table, and cut the end.

Do you put quarter-round around cabinets?

If you have gaps between the floor and the cabinets, quarter-round molding can be installed to cover any gaps or imperfections. So it can be said that you can put quarters around cabinets if you feel like it.

Wrap up

If you are interested in renovating your house or if you are to start a project which includes subtle carpentry works, then you have to have an idea about how to install quarter round around the floor, door, or windows. Renovating the house by using different molding styles gives a different aesthetic vibe to the house.

Quarter round molding style can be used around doors, walls, windows. Sometimes, this can be used or installed to make photo frames and other craftworks.

If you were wondering about the process, materials required, and safety precautions, hope the above article will be helpful in finding the answers.

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