This post may contain affiliate links or mention our own products, please check out our disclosure policy.

How To Lengthen An RV Bed A Full 6 Inches

Are you over 6 feet tall? Do you feel cramped in your RV bed? There aren’t many things worse than having to sleep with your legs knotted up or hanging off the bottom edge. The urge to stretch out makes you anxious, irritable, and will leave you with aching legs in the morning.

Fortunately, you don’t have to get a new bed.

The folks at TrailerLifeTV made a short video on how to use a piece of foam to lengthen your mattress.

Sign up for the newsletter today!

Please enter a valid email address.

An error occurred. Please try again later.

× logo

Thank you for subscribing to the Do It Yourself RV newsletter, keep your eye on your inbox for updates.



He used 1.25 density foam, but you could use whatever your local fabric store has in stock. Tell them that you want to make a piece of foam that’s 60″ long (or as wide as your bed), 7″ tall (or as tall as your mattress) and 6″ wide (or however long you want your bed extension to be).

We verified that you can find foam like that shown in the video at your local Jo-Ann Fabrics store. They stock big blocks of foam that you could glue or wrap together to make any size bed extension.

If you’re willing to spend more, you could custom-order your foam from a specialty store like FoamForYou. A foam store will carry many densities and sizes, but you might end up spending a bit more for your made-to-order extension.

Don’t forget to factor in shipping costs. Shipping is usually priced by size rather than weight. You’d probably save more by buying the foam at a physical location near you, instead of ordering online.

Support Do It Yourself RV

Do It Yourself RV is run by RVers who share the most up-to-date and valuable content on camping and RVing every week. We couldn’t do it without the support of our readers just like you.

You can help support the efforts of Do It Yourself RV by becoming an RV LIFE Pro subscriber, which gives you access to:

  • RV LIFE App, an RV Safe GPS™ with voice- and lane guidance, even offline.
  • RV LIFE Trip Wizard, a visual RV trip planner with custom RV-safe routes and a comprehensive directory of RV parks, resorts, and campgrounds.
  • RV LIFE Maintenance, a cloud-based service that tracks your RV maintenance and provides reminders, reports, and related documentation.
  • RV LIFE Masterclass, an online educational platform where RV experts share tips and advice on everything you need to know about RVing.

If you value our site and want to see us continue to grow, please consider supporting us by becoming an RV LIFE Pro subscriber today.