In the winter it may be more like 7 days or longer.
How to flatten a mat.
Unroll the mat as flat as you can get it.
Keep it rolled up longer for thicker less for thinner plastic with a rubber band and check it every so often until the previously upturned curled corners are laying flat as.
Creating this opposing new curl shape will in effect straighten the curled plastic.
To flatten a curled cutting mat you ll need.
Large wood plank or cutting board.
You should be able to see a drastic difference in about 24 hours and the mat will typically lat flat at 72 degrees f in about 3 full days.
Once it flattens remove mat and board together and allow the mat to cool still on the board.
This took many tries but it did flatten the mat.
Keep doing it until entire mat is flat and covered with heavy books.
Check the heat of the mat.
However when the mat warps from improper storage or from being overheated it loses most of that usefulness.
Lots of heavy books.
1 046 i left mine rolled up in a hot car and had the devil of a time straightening it out.
Rotary cutting mats protect your work surface from damage while also providing convenient measurements cutting lines and angles.
I have flattened a warped mat by placing it on a a flat board at least as large as the mat and putting it in my car in the sun.
If you don t it will warp in a new way.
While there is no guaranteed way to flatten these mats again.
Another suggestion is to cut the warpped part away and use the remaining piece of mat to cut smaller projects or make one that is easy to carry to classes elaine tried everything to fix her cutting mat.
01 08 2010 05 30 pm 4 shequilts.
A yoga mat is also a similar material that many people use.
Press the mat with an iron.
Place an iron on top i used medium heat and press until the surface is warm to touch.
The mat is the picture above relaxed in about two days.
Place a pressing cloth on the mat to protect the surface.
This is not a quick cure but i still have the mat and it is still flat.