You can also try using an iron to fix a warped cutting mat.
Cutting mat warp repair.
Another great way of how to fix a warped cutting mat is by ironing it.
Warm or hot water can warp your mat.
Here s how to fix that problem.
If you have a self healing cutting mat it needs to be re hydrated to stay self healing.
Place the mat and towel on an ironing board or iron proof surface.
If it doesn t do so on its own once it is good and warm you can place heavy objects on it like books and leave them there until the mat has cooled.
That s all you have to.
Cover the mat with two layers of towels and set your iron to its lowest heat.
Add a solution of cup white vinegar per gallon of cool water and let it soak for 15 to 20 minutes.
Soak the mat in room temp water for about and hour let dry.
They wrote that once a mat has been warped it can t be flattened.
Start by using a damp cloth or towel and placing it over your cutting mat.
When the moisture is gone the mat dries out and will have cut marks and dull your blade.
The mat will be soft and be like new again.
Have you ever warped your self healing mat with heat.
You might think this method is a little outrageous but it definitely works.
I have one old mat soaking now.
Make sure the water is cool.
A good way to try and fix a warped mat is to lay it out on a flat surface in the heat of the sun all day.
Run the iron over the mat applying extra pressure to the warped area.
This will cause to to slowly warm and the mat should then lay back flat.
But frisk another manufacturer of cutting mats say to leave the mat in direct sunlight or warm water for a period of time and it will resume its original shape.
Another site suggested putting it on flat sheet and placing in an oven at 200 degrees fahrenheit.