How To Cut Corner Guard Molding

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Cut a proper corner trim requires a moderate amount of mechanical knowledge and preparation. You will need to use a miter saw to connect 2 pieces of trim at an angle. The mode you cut depends on whether you lot need to cover an inside corner, which is concave and betwixt connecting walls, or an exterior corner, which is convex and juts out from the walls. Whatsoever gaps in the trim tin can be filled in with caulk, merely yous may non even need to practice this if you measure and cut carefully.

1. one

   Measure out your wall space to determine how long the trim needs to be. Before you cut the trim, effigy out where yous program on placing it. Use a tape measure on the wall, but likewise hold the piece of trim to the wall to go an idea of how it volition fit. Although each piece of trim needs to be cutting to a specific length, overestimate the length of trim y'all need to ensure yous have enough to cover the corner.

   • Getting plenty trim for curt corners is important. You tin utilize short pieces of trim to class the corners as needed, then connect them to longer pieces of trim.

2. 2

   Determine the angle of your wall with an online calculator. The all-time way to decide the angle is with a bevel protractor. To use the bevel, place the base of operations end firmly against i wall, open upwardly the tool, and place the bract end confronting the other wall. Detect the 0 degree mark and read the number above information technology to effigy out the bending measurement. So, type this into an bending calculator to determine how to adjust a miter saw to cut the trim perfectly.^[i]

   • You tin find a calculator at http://world wide web.installcrown.com/Crown_angle_generator.html.

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3. 3

   Protect your eyes, ears, and airways earlier cutting trim. Take some standard safety precautions before operating a saw. Always wear prophylactic spectacles, a grit mask, and earmuffs. For more than protection, cut the trim in a ventilated area such equally outside of your habitation. If you tin't go outside, open up nearby doors and windows.^[2]

   • Avoid wearing gloves, long clothing, or jewelry that tin can get caught under the saw'due south blade.

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1. ane

   Slice a trim lath at a 45-degree bending. You volition need a miter saw to cut the trim at an angle and form a corner. Miter saws accept adjustable bases y'all set to the angle you wish to cutting. For the initial angle, turn the base clockwise until the saw points to the 45-degree bending marker, which you tin come across on the angle estimate below the base of operations. And then, position the edge of the trim to the left of the saw blade, belongings it firmly against the congenital-in metal debate for stability as you cut.^[3]

   • This piece will typically fit on the left-hand side.
   • All of the trim around windows and doors forms outside corners. Think of a moving-picture show frame. Some baseboard and crown molding installation involves outside corners also.
   • Outside corners generally consist of single pieces of trim connected together. For long walls, you can glue or nail longer pieces of trim to the corner pieces y'all cut.

2. 2

   Rotate the saw to slice the second piece of trim. To create the mating slice of trim, the angle gauge needs to betoken to the verbal reverse angle from what you used earlier. If yous look on the gauge, you should run into a 2d "45" to the right. Turn the saw to bespeak to information technology, concord the trim to the right of the blade, and then cut through it.^[4]

   • This piece will typically fit on the right-paw side.
   • For trim with multiple corners, such as the meridian and bottom pieces framing a window, cut the opposite end of the original trim.

3. iii

   Test the mitered pieces past connecting them. When you push button the mitered edges together, they will connect seamlessly. To get a better sense of this, concur the trim upwardly confronting the wall corner where you plan on installing them. Then, redo the miter cuts as needed to create the perfect corner angle.^[5]

   • The cut edges should fall exactly on the corner of your wall, door, or window.

4. four

   Trim the pieces to length and make full in gaps with paintable silicone caulk. Y'all can quickly cut the trim down to size past making a square cutting with a miter saw. Use the 0-degree setting on the miter to slice through the ends of the trim opposite of the miter cuts. Then, install the trim and fill up the gaps with caulk. You lot can employ caulk with a caulk gun. Place the nozzle most the gap you lot need to fill up, and so gradually motility the it along the gap while holding down the gun's trigger.^[6]

   • You tin too nail the boards in place for additional stability. Position 2.5 in (6.4 cm) finish nails about every 16 in (41 cm) along the trim.
   • If the boards don't connect cleanly or rest apartment against the wall, caulk tin can embrace upwards the imperfections. Y'all can paint caulk the aforementioned colour equally the trim and then anyone who comes into your home is difficult-pressed to spot the flaws in the miter cut.
   • You can besides prime and paint the boards afterwards.

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1. 1

   Cutting a 45-caste angle in a piece of trim with a miter saw. Turn the angle guess clockwise until it is oriented to the left hand 45-caste angle setting. Then, position the trim to the right of the saw. Cut all the style through the trim to create the corner angle.^[vii]

   • Doing this is like to cut an outside corner. You tin cut another piece of trim at a 45-degree angle and install them on the wall right away. However, most walls do not form a perfect 90-degree angle, and so you will discover gaps in the connectedness.
   • Inside corners are where 2 walls meet to form a concave bending. Information technology is common in baseboards and crown molding.

2. 2

   Connect cut trim together to identify gaps between them. To perfect the within corner, yous need to trim 1 of the boards with a coping saw. Lay the cutting slice of trim down on a flat surface, and so connect the mating piece to information technology. Concord the 2nd lath direct up, property information technology over the miter cutting on the commencement board. Employ a pencil to mark the angle of the first board onto the second lath equally a guideline for the adjacent cut.^[eight]

   • Make sure the boards are ready up exactly as they volition be when yous put them on the wall, or else you won't get an authentic cut.

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3. three

   Use a coping saw to cut the second trim lath. Coping saws are very thin hand saws, and then they are good for smoothing out small, uneven surfaces. To use the saw, offset clamp the piece of trim to a apartment surface every bit needed to concord it steady. Motion the saw dorsum and forth to gradually piece through the trim. Follow the contours of the trim to ensure the pieces fit smoothly together on the wall.^[9]

   • If you are good with a miter saw, you tin can employ information technology instead of a coping saw. Set it at 0 degrees to brand a square cutting, so advisedly slice off the edges y'all marked.

4. 4

   Smooth out the trim'south edges with a wood file. The coping saw cut doesn't accept to be perfect and it may, in fact, expect a little crude at first. That isn't a problem since you can shave down the trim'due south edge to improve information technology. Rub away any crude spots until the trim is the size you need information technology to be. This is the only manner to perfect tight curves in fancier pieces of trim.^[ten]

   • You tin also use a utility pocketknife or 180-grit sandpaper to gradually smooth out the rough edges.

5. 5

   Exam and install the trim on the wall. Connect the pieces of trim together again. The trim with the coping cutting will be affluent with the face of the mitered lath. When placed on the wall, the mitered board'southward edge volition rest apartment against the wall.^[11]

   • Caulk is often used for inside corners. If yous can't get the bending right, fill in the gaps with paintable silicone caulk, so paint over it to hide it.

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• To get the best fit, measure your corner's bending commencement. All corners are unlike. Even if they look like they are a perfect ninety degrees, they rarely are.

• Almost likely, your cuts with the miter saw won't be perfect the first time. File downwardly the trim pieces until they fit perfectly.

• Cut corners rarely demand to be perfect. Many times, yous can cover gaps with paintable caulk.

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• Operating a saw is dangerous. Take proper safety precautions such as heart protection and a dust mask. Keep loose hair, article of clothing, and jewelry out of the way.

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Things You'll Need

• Tape measure
• Pencil
• Miter saw
• Safe spectacles
• Grit mask
• Earmuffs
• Caulk
• Nails
• Wood gum

• Tape measure
• Pencil
• Miter saw
• Condom spectacles
• Dust mask
• Earmuffs
• Caulk
• Nails
• Forest glue

About This Article

Article Summary Ten

To cut a corner trim, you'll need to use a miter saw to cut both pieces to the right angle. If you have a bevel protractor, use it to make up one's mind the specific bending of your corner. However, if you don't, stick with 45 degree angles. To cut an outsider corner trim, plow your miter saw clockwise to 45 degrees and cut your first trim piece to the left of the saw blade. For the other side, rotate the saw to the other 45 caste angle on the right, and cut the trim to the correct of the blade. To cut an inside corner trim, yous'll use the same process, and so make another cut with a coping saw to make a more than precise bending. Fit the cutting pieces together on a apartment surface and agree the 2d slice directly up. Use a pencil to marker the angle of the outset piece onto the second one as a guideline for the next cut. Clamp the 2nd piece still and cut along the line with a coping saw. For more tips, including how to fill in a small gap in your corner trim, read on!

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Source: https://www.wikihow.com/Cut-Corner-Trim

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