How do you cut plexiglass without it cracking and breaking?

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I need a clean smooth cut to use in a frame. It's even more expensive than glass, so need some foolproof advice.

  7 answers
  • Kauai Breeze Kauai Breeze on Dec 08, 2017
    I would visit a glass and mirror shop - those that replace window glass. They should have all the special tools and experience to do the job right the first time. If it's a standard size frame they may even have precut pieces.

  • William William on Dec 08, 2017
    I use a razor box knife and reverse it. Make your marks. Lay a straight edge on the marks. Score the plexi several times along the the lines. Lay the score line barely off the edge of a table and give it a swift snap. May need to sand a little.

  • Kei31845064 Kei31845064 on Dec 08, 2017
    go to lowes or home depot and get a plexiglass blade this will allow you to score the plexi and snap it clean off or bring them the size you need & they will cut it for you for only the cost of the plexi

  • 27524803 27524803 on Dec 08, 2017
    Depending on the size... many of the big home improvement stores (like Lowe's) will cut Plexiglas or acrylic for you (for a small charge) and you will have to buy the rest of the piece it was cut from.
    My husband has cut 1/8 inch Plexiglas before using a plywood blade, mounted in reverse (backward) on a table saw... and had done smaller pieces on the band saw. The key is to keep it moving and you will need to sand the rough stuff off the cut edges (where the heat from the blade has melted the plastic)

  • Cindy Hagemann Cindy Hagemann on Dec 08, 2017
    Tape off the area that you cutting with painters tape, then use a sharp box cutter and score back and forth until you can bend and break it apart. The tape should help keep it from splitting.