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Old 11-23-2016, 02:44 PM   #1
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A Method to Convert a Rectangular Matress to AS

This method changes a regular mattress to fit the curved walls of an AS. First image is the final sewing of the fabric, picture shows curved mattress, temporary pins still inserted.

https://www.dropbox.com/s/pmcosarck1...um%29.jpg?dl=0


The second picture shows the fabric seams open and the spring exposed. Springs will be removed, fabric trimmed, then fabric sewn back together.

https://www.dropbox.com/s/pcx4u8ul88...um%29.jpg?dl=0

More Details:
Unique Tools: Hog rings, hog ring pliers, seam ripper, curved needle, upholstery thread.

Steps:
Mark desired shape with felt pen, top and bottom,
Rip seams for a few inches them continue by pulling with hand,
Using the marked line remove springs, or spring clamps,
Delete all spring that are fully outside the line,
Push fractional springs below line a re-clamp them,
Trim felt and hog ring to springs, the shape should now be what you planned for,
Sew the fabric back together, using pins to hold, curve needle and strong thread.

I will add installed picture next.



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Old 11-23-2016, 02:47 PM   #2
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I used an electric carving knife to shape my foam.
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Old 11-24-2016, 04:09 PM   #3
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Here is an image, I hope of the hog ringing of the reduced curved side. I hope and image appears.

how to screen capture
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Old 11-25-2016, 10:21 AM   #4
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Still trying to get image linked into the tread. Here a new image showing the finished mattress in profile. A spring type mattress can be made to the AS shape. We are out for the first time and the mattress fit as planned.

image uploading site
Here is an image of the springs removed or moved to match the pattern line.

image uploading site

After the springs are changed, hog rings are added every other spring to hold the underlayment of the felt and batting.

image uploading site
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Old 11-25-2016, 04:57 PM   #5
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Impressive thinking--and impressive amount of labor!

We are fortunate--we actually prefer foam mattresses. So in our case, if were to use a non AS mattress, we would cut it to match the foot radius. In fact, we currently have the standard mattress with a memory foam topper, and we love it. Because we're about to refurbish, w'ere going to ask the upholstery people to cut the topper to match, and add velcro to the top of the mattress and the bottom of the topper, so that we can easily replace the topper in the future.
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Old 11-25-2016, 05:05 PM   #6
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gecko, Great idea with the velcro. I agree, having the mattress you want is the key to sleeping well.
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