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How To Cut A Mattress

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Mattresses should not be cut as this would void the warranty. Depending on your goals, there may be better alternatives. We recommend buying a mattress topper or a new mattress instead of cutting it.

If you must cut your mattress, you can use a general-purpose kitchen knife or an electric carving knife.

Another option is to take it to a store that specializes in cutting foam. They use hot-wore machines or band saws.

What Type Of Mattresses Can Be Cut?

You can cut any type of mattress, but innerspring mattresses are particularly tricky. If your innerspring mattress is in usable condition, it's better to dispose of or donate it.

How To Cut Memory Foam, Latex Or All-Foam Mattresses?

If you must cut your mattress, here are some tips:

• Place the foam on a flat surface, preferably a table, and hold the cutting tool perpendicular to the foam.
• Use a ruler, tape measure, or drywall square to measure and cut your foam.
• Measure the mattress and mark your cut lines before cutting the memory foam.
• Use an electric carving knife or bread knife to make a straight cut following your outline. (Box cutters or electric knives are recommended).
• To reassemble the foam, use spray adhesive made for memory foam, and wear protective gear.
• Double-check the dimensions of your memory foam and add 1/8 inch before starting to cut.

How To Cut A Pocket Spring Mattress?

It is not a good idea to cut an innerspring or pocket spring mattress horizontally. In order to cut the steel mass, you would need industrial equipment.

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