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How To Cut A Mattress

How To Cut A Mattress

Written by: Daniel Connell · Updated on: January 19, 2024

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Key Takeaways

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.

A rotated mattress, much like rotated tires, typically wears more evenly and reduces indentions or support issues.

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.

Related Secondary Content:

What Are The Pros And Cons Of Making Your Own Mattress?

Making your own mattress has advantages and disadvantages. By doing it yourself, you can tailor the materials and design to your liking, resulting in a comfortable bed. You can choose the foam type, coil density, and cover material that best suit your needs.

However, this can be time-consuming and expensive. The materials must be sourced, which can be difficult if you are unfamiliar with the industry. Also, if you lack experience in mattress-making, you risk creating an uncomfortable product that won't last.

Deciding whether to make your own mattress depends on your preferences, budget, and DIY skills. It can be a rewarding project that produces a unique sleeping experience, but it may not be worth the investment if you lack resources or experience. Consider alternative options and research to make the best decision for your needs and budget.

Can I Cut A Hybrid Mattress Without Damaging It?

Cutting a hybrid mattress isn't recommended as it can damage the layers and affect the mattress's support and comfort. However, if you must cut your mattress, follow these guidelines to minimize the risk of damage:

  1. Use a sharp knife or electric carving knife for foam layers. Avoid scissors for even cuts.
  2. Measure and mark your cutting line carefully before cutting. Use a straight edge or ruler for a straight cut.
  3. Remove the cover and foam layers from the bottom up, starting with the support foam layer, then the transition foam layer, and finally the comfort foam layer.
  4. Cut the foam layers one at a time, ensuring remaining layers are supported and don't shift.
  5. Once done, reassemble the foam layers and cover the mattress. Use a mattress encasement or protector to secure the layers.

Remember, cutting your hybrid mattress may void the warranty, and you'll be responsible for any damage that occurs. If you require a different size or shape mattress, consider purchasing a new one rather than cutting the existing one.

About X

X is the Founder and Editor-in-Chief of NapLab.com. He has been featured in Fast Company, Reader's Digest, Business Insider, Realtor.com, Huffington Post, Washington Post, AskMen, and She Knows. X has personally tested over 268+ mattresses and hundreds of pillows, sheets, beds, and other sleep products.

See Our #1 Researched Mattress in 2024

Rated best for comfort and hotel-feel

See Exclusive Deal

References

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.

What Are The Pros And Cons Of Making Your Own Mattress?

Making your own mattress has advantages and disadvantages. By doing it yourself, you can tailor the materials and design to your liking, resulting in a comfortable bed. You can choose the foam type, coil density, and cover material that best suit your needs.

However, this can be time-consuming and expensive. The materials must be sourced, which can be difficult if you are unfamiliar with the industry. Also, if you lack experience in mattress-making, you risk creating an uncomfortable product that won't last.

Deciding whether to make your own mattress depends on your preferences, budget, and DIY skills. It can be a rewarding project that produces a unique sleeping experience, but it may not be worth the investment if you lack resources or experience. Consider alternative options and research to make the best decision for your needs and budget.

Can I Cut A Hybrid Mattress Without Damaging It?

Cutting a hybrid mattress isn't recommended as it can damage the layers and affect the mattress's support and comfort. However, if you must cut your mattress, follow these guidelines to minimize the risk of damage:

  1. Use a sharp knife or electric carving knife for foam layers. Avoid scissors for even cuts.
  2. Measure and mark your cutting line carefully before cutting. Use a straight edge or ruler for a straight cut.
  3. Remove the cover and foam layers from the bottom up, starting with the support foam layer, then the transition foam layer, and finally the comfort foam layer.
  4. Cut the foam layers one at a time, ensuring remaining layers are supported and don't shift.
  5. Once done, reassemble the foam layers and cover the mattress. Use a mattress encasement or protector to secure the layers.

Remember, cutting your hybrid mattress may void the warranty, and you'll be responsible for any damage that occurs. If you require a different size or shape mattress, consider purchasing a new one rather than cutting the existing one.