How to Sew a Knee-Rise Contour Cushion with Fabric Backing

Learn how to sew a hi-lo knee-riser contoured cushion that has a fabric back side. It is not stapled to a backer board. This type of contoured cushion has two separate pieces of foam. In the front of the cushion is a thicker foam called a knee riser or bolster. In the back of the cushion is a low foam that forms the seat of the cushion. In between these two sections of foam, inside the cushion cover, is a fabric pull with a zippered opening that is sewn to the top and bottom plates. The fabric pull accomplishes two things: It keeps the foam in the appropriate location and it pulls the cushion fabric down snuggly between the hi-low foam, giving it a contoured and professional look.
Curved Knee Roll Cushion with Fabric Backing: • Sewing Curved Knee Rol...
HOW TO SEW A KNEE-RISE CONTOUR CUSHION WITH FABRIC BACKING CHAPTERS:
Selecting Foam
- 1:17 min
Cutting Foam to Size
- 2:37 min
Determining Plate & Boxing Sizes -5:54 min
Patterning & Cutting Fabric - 10:50 min
Installing Zipper on Fabric Pull
- 16:30 min
Finishing Back Plate (Fabric Pull & Zipper Opening)
- 18:46 min
Sewing High/Low Plates & Fabric Pull Together
- 29:42 min
Preparing Boxing
- 32:29 min
Sewing Boxing to Top Plates
- 35:58 min
Adding a Top Stitch - 48:09 min
Sewing on Bottom Plate
- 55:43 min
Inserting Foam
- 1:03:37 min
Materials List - 1:14:04 min
MATERIALS LIST:
High Density Polyurethane Antimicrobial Foam (Firm) - Item # 284F2480 and Item # 281F2480 www.sailrite.c...
Foam Lock Spray Adhesive 12 oz - Item # 120464 www.sailrite.c...
Fabric from Sailrite - we used Sunbrella® Horizon Capriccio - Item # 10200-0016 www.sailrite.c...
Cushion Underlining Fabric from Sailrite - we used Phifertex® Standard Vinyl Mesh - Item # 410123 www.sailrite.c...
YKK® Continuous Zipper #5 White (Vislon Chain) - Item # 28218 www.sailrite.c...
Seamstick 1/4" Basting Tape for Canvas & Upholstery (36Yds) - Item # 122065 www.sailrite.c...
Thread from Sailrite - we used Polyester V-92 www.sailrite.c...
YKK® Zipper Slider #5 Single Non‑Locking Pull (Vislon Chain) - Item # 103178 www.sailrite.c...
TOOLS LIST:
Clear Acrylic Ruler 6" x 24" - Item # 102400 www.sailrite.c...
Sailrite® Blade Foam Saw V2 with Carrying Case (110V) - Item # 121244 www.sailrite.c...
Scribe‑All® Black Marking Pencil for Vinyl - Item # 121977 www.sailrite.c...
Gingher® Scissors Right Hand Lightweight 8" - Item # 101017 www.sailrite.c...
Sailrite® Ultrafeed® LSZ‑1 BASIC Walking Foot Sewing Machine - Item # 300601 www.sailrite.c...
Ultrafeed® Industrial Sewing Table & Workhorse™ Servo Motor - Item # 120931 www.sailrite.c...
Thread Clipper Kuroha - Item # 121908 www.sailrite.c...
Seam Ripper Deluxe - Item # 18104 www.sailrite.c...
Deluxe 5 1/2" Magnetic Sewing Guide - Item # 103597 www.sailrite.c...

[@anaziegler6311]

Wow THANK YOU! this is so very helpful. But I have to say, I was holding my breath watching the sewing of the boxing to the top plate, of course, I'll watch the video a few more times before actually cutting anything, much less sewing. You guys have no idea how helpful are all your videos. I've already made so many things for our boat thanks to your directions.

[@sandrarenwick1225]

Inside curved cushions are the hardest to get the vinyl to lay flat against the foam! Would love to see a video on these as so many boats have these especially the back seat cushions! Love your videos!! They keep me sane in my sewing projects!

[@snarkleparkle]

awesome video, just what I needed! And yes, please do a video on cushions with a curve. thank you

[@SailriteDIY]

We will be working it in someday soon. Be sure to subscribe.

[@davido2047]

If not for these videos I wouldnt have considered many of these projects. Thank you for sharing and your continued support if veterans!

[@willisworms]

What perfect timing! This is exactly the cushion I am looking to make. I am thankful this video showed me there is no way in hell I can pull it off! I can now adjust my plan to something more in my skill range.

[@PrimeReal]

I just made an irregular cockpit cushion (with Pattern and Piping) for my first project. I wanted to give up at step one of cutting the fabric because I didn't even know how to cut and measure out fabric. I struggled through at every step of the way, but I finally finished the cushion and it looks pretty good for my first ever sewing project! I entourage you to give it a try!

[@lesleyhiddins2067]

Exactly what I was looking for as well! From Down Under, thanks Sailrite

[@rhirwin10]

Awesome!! Eric, simply well done. Definite high interest for all sailors who want to redo their flat saloon cushions with a knee riser.

[@pattiup6706]

Thanks for video! Very helpful! Would love to see videos of different shaped cushions!

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@debbiegarris8233]

Would definitely like to see curved cushion knee riser

[@SailriteDIY]

Hi Debbie, Here is a link to Sewing Curved Knee Roll Cushions: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@MrRian216]

That was great .I just did my. Tks and well done

[@dsm.lovesoutside4496]

Love your tutorials and products!

[@sliderulz]

This is what i was looking for to incorporate into a bow cushion

[@heathhoffpauir]

good job!! very helpful

[@SailriteDIY]

Thank you so much! I'm glad you found it helpful!

[@lynsmith21]

Thank you for your fantastic video, easy to follow. And have made 2 cushions for our rv

[@SailriteDIY]

glad to help.

[@Chris97302]

Please share tutorial of the curved rupe cushion!

[@kenwallace8035]

Thank you for continuing to provide content!! I'd like to see the curved version!

[@SailriteDIY]

Thanks for letting us know!

[@itzellopez5719]

Yes me too, and thank you very much sailrite team 👏

[@eugeniopaul7918]

Top o serviço de vcs. Eugênio Paul , Joinville Santa Catarina , Brasil. Abraço aí pra vcs.

[@westmc45]

I need to make several curved ones for my boat and would like to see a video on this as well

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@davecolburn1378]

Excellent example (as usual) - thank you!

[@SailriteDIY]

Thanks for your comment.

[@mattbreuer4223]

certainly interested in seeing the curved version, about to redo all interior cushions in this fashion. also wondering about recommendations for a curved cushion around a straight bench seat....

[@SailriteDIY]

Glad to hear it. We still would like to see more interest before we make that video tutorial. Anyone else want to see it?

[@KayZee1957]

Another vote for the rounded version.

[@manugourc40]

Hi, where find silk film ? Thanks for yours vidéos de 👍👍👍

[@heleneharris9175]

I am interested in curved contour cushion. Mine has buttons but I don't want buttons as it is also used for sleeping. Thank you

[@tonydathan2533]

I would love to see this with an angled section in the same idea as a hockey stick laying flat with the blade and shaft! I have tried one and it has more wrinkles than a Shar Pei dog! Lol!

[@SailriteDIY]

We have not yet added that project to our future list. We would like to see more comments asking for it before we do.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@gavinseal1043]

This is a great tutorial on how to upholster these types of cushions. I have just followed this step by step on an exact same cushion and it's come out great thanks to your videos. Have you done a video on a curved cushion as yet? I now have 2 curved cushions either side of the box type cushion. I'm scratching my head on how the fabric pull will work as I'm sure it will pucker up as its stitched around the curve. Any help or link to a video you have done would be very much appreciated. Thanks

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@blackquintet]

Please make a video about rounded knee-raised cushion (with no backer board). Thanks!

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@terrycotto9791]

will the dry cell foam work for a cushion that will be used on a patio chair for a property on the bay, the patio in the morning is very, very damp. thank you I truly enjoy your tube videos

[@SailriteDIY]

Yes, the dry fast foam will work great for that. Thanks!!!

[@lindascheetz7746]

can the knee bend cushion style be used for a mattress to elevate the head of the bed?

[@SailriteDIY]

Never tried that, but maybe. I just get a second pillow.

[@donnaswink6159]

If you were using a vinyl that is not 4 way stretch and existing foam, how would you measure? Would you add seam allowance on all sides? I would also like to see a video's demonstrating curved and curved knee rise cushions. I am expecting delivery of my new LSZ-1 premium package tomorrow in preparation for re upholstering my pontoon furniture. Thanks again for great instructional videos. Would not have had the confidence to tackle such a project otherwise.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@GregPless]

Thanks for the tutorial. Question: you wanted a finished 22” width and you cut the foam at 23” to add compression, but I noticed you cut the top and bottom plates at 23” width. Is that correct? Does that result in a 22” Final width?

[@SailriteDIY]

We usually cut the plates to the same size as the foam. Then when the seam allowance of 1/2" is taken away the plates will be smaller in size and compress the foam. So, yes that is correct.

[@GregPless]

@@SailriteDIY right! Seam allowance, forgot. Thanks

[@grantlaseta1384]

How do you make one with aboard and has a curve?

[@SailriteDIY]

We will add this to our future tutorial video list.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@LolliPop_Farm_VT]

“Loyal support!❤🎉😊 1:14:02

[@SailriteDIY]

Thank you for your support!

[@LolliPop_Farm_VT]

@@SailriteDIY you keep producing them, we’ll keep watching.

[@justindaniel2371]

One with a curve please!!!!

[@SailriteDIY]

It is on my list, just have not had time yet. I will get to it soon.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@stevechilders1575]

On your plates why do you not add for the seam allowance? Same on side panels? If I’m using existing cover wouldn’t I just measure seam to seam on right side the add for seam allowance?

[@SailriteDIY]

We want the foam to be slightly compressed for a good fit. So, after seam allowance is taken the cushion cover is slightly smaller than the foam for a better fitting cover.

[@stanleycarranza6440]

Buen trabajo

[@Kauffdrop]

Extent video as always. Can this be done with the Sailrite Fabricator?

[@SailriteDIY]

Yes, absolutely it can be sewn with the Sailrite Fabricator sewing machine.

[@janyagladu1589]

Would like to learn how to sew a hi-lo knee-riser contoured cushion that has a fabric back side.

[@eugeniopaul7918]

Top o serviço de vcs.

[@michaeltoppenberg7801]

Mee too... Please show the curved cushions. I am about to renew the whole salon om ny Bavaria 40 - it is excactly this type of cushions in U-shape and two BIG rounded corners.... :-)

[@SailriteDIY]

Thanks for letting us know that you may be interested in seeing how to make a curved knee-rise cushion. I hope to see more requests in our comments, before we move onto that video. Thanks again!!!

[@Romidear]

Para que son esta clase de cojines

[@westmc45]

para un barco

[@Jamzor]

R.I.P BLACK THE RIPPER (Arsenal fan)

[@muebriautos]

I like your page

[@okiedoke6373]

That would be me I'm guilty I'm sorry I would do it for some ungodly reason I've done it I do lift up cushions to see the stitching on the bottom side

[@denisemcgovern7666]

Would love to see a curved version.

[@SailriteDIY]

Thanks for letting us know. We may be shooting a curved version this winter, if we keep getting more requests.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@stanleyzalenski9292]

I’d like to see the curved version

[@DonnaMSchmid]

Me too!

[@SailriteDIY]

Thanks for letting us know.

[@SailriteDIY]

@@DonnaMSchmid Great, we want to see more interest before we start.

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@brw7273]

Please show curved cushion Thank you

[@SailriteDIY]

Curved Knee Roll Cushion with Fabric Backing: kzbin.info/www/bejne/n2XOnHl_rJKgnpo

[@johnq.public2621]

:)

[@Jamzor]

R.I.P BLACK THE RIPPER (Arsenal fan)