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Thread: Omnigrid Cutting Mat

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    Omnigrid Cutting Mat

    I have a large cutting mat, somehow it became warped. How do you get the bulge out?

  2. #2
    Power Poster QuiltE's Avatar
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    Quote Originally Posted by Betsy Landgraf View Post
    I have a large cutting mat, somehow it became warped. How do you get the bulge out?
    You don't!

    If part of the mat is still flat, the best you could do would be to cut out the warped section, and make some smaller mats.

    The mats need to be stored flat.
    If transported in a car, laying it flat is important too, as the heat coming thru the glass can warp it.
    Touching the mat with a hot iron can do it as well.
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    Moderator QuiltnNan's Avatar
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    i have read that some lay theirs out on the driveway in the sun for a while. don't know the details... maybe another poster will jump in...
    Nancy in western NY
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    Senior Member rrhaigh's Avatar
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    There is nothing you can do to fix it as the others said. I learned the hard way not to store mats in the car. I loaded mine up one morning before work. Worked all day and went to a class after work. The mat was warped horribly from being in the car all day. I tried many things to get it to lay flat, but nothing worked. Sorry.
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    Super Member Lori S's Avatar
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    Having warped one , not badle but it did not lay obsolutely flat ... I put it on my deck table in the hot sun for about 3 hours... it was flat again. Not sure the manufacture would suggest this but .. I figured ..what did I have to loose?!!

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    Power Poster BellaBoo's Avatar
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    I would cut it up into smaller mats and buy a new one. A warped mat is usually permanently warped like a metal pan when it gets warped. I can't believe how many women keep a warped baking pan. LOL
    Got fabric?

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    Quote Originally Posted by BellaBoo View Post
    I would cut it up into smaller mats and buy a new one. A warped mat is usually permanently warped like a metal pan when it gets warped. I can't believe how many women keep a warped baking pan. LOL
    Or a warped kettle.

  8. #8
    Member guntherquilter's Avatar
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    I had the similar problem with a rubber-type mat from a dog kennel. I took it out to clean, left it in the sun, and it would not fit back into it's spot The sun had actually made it expand and warp. I put it in the freezer for 20 minutes. It fit perfectly back in its spot. I wonder if the freezer would help a warped cutting mat?

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    If it has measurement markings on it, even if you do get it to lay flat again, I wouldn't trust the markings to remain accurate. For those is hot climates, think about when a tar or asphalt road "melts" and the streets markings get all wavy and weird.

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    Super Member natalieg's Avatar
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    I purchase a high quality double sided drafting mat. I have about 6 of them right now and get them for all of my quilty friends....just a suggestion, I buy mine from a college bookstore. They are double sided and professional grade. My daughter brought some home and managed to put them in her car apparently on top of some items for about a week. I have had them downstairs for a few years now trying to get them back in shape. I was just about to cut them down smaller when the weatherman announced that it was going to be 100 today. I put them on the lawn on a sheet for about 5 hours, till they just about felt like they were melting. Then, one at a time, I brought them in the house, laid them on the linoleum floor and completely covered with heavy books. I did this a few days ago, but it was only about 82 and I didn't leave them out long enough. I will peak at them in the morning and see what happens. I figure the AC will stiffen them up again....I hope.
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  11. #11
    Senior Member benndm's Avatar
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    I laid mine on the front sidewalk in the hot sun for the day and when I brought it in I laid it on the floor. When it cooled it was flat.

  12. #12
    Super Member natalieg's Avatar
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    Mine flattened out, except for one. I left them out in the 104 degree temps, then would lay them on the linoleum floor with the AC running and heavy books piled all over them, completely covering them. I did this for two days in a row. My mats are so thick that they were super hot and "melting" when I picked them up to bring them in.
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    Senior Member ctipton's Avatar
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    Oh good luck. I had not used mine for years and was hanging and it warped. Hubby did the heat thing.We will try it again. Good luck..

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    Quote Originally Posted by brenvs View Post
    If it has measurement markings on it, even if you do get it to lay flat again, I wouldn't trust the markings to remain accurate. For those is hot climates, think about when a tar or asphalt road "melts" and the streets markings get all wavy and weird.
    I don't trust the measurement marks anyways; they aren't always accruate. I might use the if I need about a certain size but if I know I need a certain size then I use my ruler for measuring and the mat is just for cutting on.
    Judy

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    I also layed my warped mat on the cement on a hot day with a board and cinder block on top and it straightened right back to normal. The mat wasn't usable before so I had nothing to lose by trying .

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