How to Cover Brick Molding on Windows With PVC Metal

Written by geoffrey noonan
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How to Cover Brick Molding on Windows With PVC Metal
The outer blue edge touching the brick is the Brick Mold. (blue window in yellow brick wall image by thomas owen from

Capping the brick mould on windows has three benefits. Less painting, aesthetic value and finally more insulation on the opening. Capping is one of the least expensive ways to change the look and value of your home. Taking extra care to be neat will make the house look like you have changed the windows completely. Capping and the aluminium nails come in many colours to match your window frames.

Skill level:

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Things you need

  • Steel brush
  • Hammer
  • Chisel
  • Sand paper
  • Plastic wood
  • Paint Scraper
  • PVC Coated Capping
  • Offset metal cutter
  • Adjustable Square
  • Caulking gun
  • Industrial adhesive
  • Aluminium nails 1 inch
  • Caulking

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  1. 1

    Remove all the caulking on the outside of the brick mould using the hammer and chisel. Scrape all the lose paint off the brick mould all lightly sand using the paint scraper and sand paper. Fill in any holes on the brick mould using plastic wood. Sand smooth the plastic wood. Sand the plastic wood until smooth and then prime all bare surfaces.

  2. 2

    The PVC Coated Capping is an 'L' shape that fits over the brick mould. Measure the inside dimension of the brick mould top and bottom and then left and right. Using the adjustable squares 45 Degree angle scribe a line on the front face of the cap. The angle should be wider at the top for starting mitre joints. Cut the piece off using the offset tin snips.

  3. 3

    Measure from the corner where the square side meets the angle and transfer the measurement of the brick mould across the face of the cap. Scribe the same 45 degree angle going the opposite way creating a perfect trapezoid for the front face of the mould. Cut the piece off as before. Repeat the same steps for the other three pieces. Place the top and bottom in first and the two sides so that they fit neat and snugly.

  4. 4

    Cut the nozzle of the industrial adhesive tube at a 45 degree angle using a razor knife. Make the hole small (1/4 inch). Run beads of adhesive neatly on all visible faces of the brick mould. Firmly push the top piece in place making sure the corner is tight Using the hammer and aluminium nails fasten the PVC Capping to the mould starting at the window face and then the front face 6 nails should do the job. Repeat for the bottom and then left and right sides.

  5. 5

    Cut a 45 degree angle off the nozzle of the caulking tube using a razor knife (3/16 inch). Carefully caulk where the capping meets the brick and smooth out with your finger. Repeat where the capping meets the window side. Then caulk the 45 degree angle and wipe any excess. Repeat for all other windows.

Tips and warnings

  • When smoothing out the caulking use the saliva from your mouth to eliminate any messy work.
  • Brick mould comes in standard sizes and you can purchase the correct capping for each size of mould.
  • Do not use too much adhesive.

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