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Concave seat base? Will fabric sit correctly??

Posted: Wed Jun 09, 2021 7:00 pm
by Shrekndonkey
Hello! A beginner upholsterer here trying to sprinkle life into some old chairs. I’d like some guidance as to the best way to refoam and re-cover a seat base that is concave. If the foam follows that profile, will the fabric follow too, or try to lift up in the ‘hollow’? Or, should I cut the top surface of the foam to a ‘flat top’? Many thanks
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Re: Concave seat base? Will fabric sit correctly??

Posted: Wed Jun 09, 2021 7:59 pm
by Shrekndonkey
Or should I perhaps cut the bottom surface of foam to match the seat profile, thus giving me a flat top? Or something else? 😊

Re: Concave seat base? Will fabric sit correctly??

Posted: Thu Jun 10, 2021 5:42 am
by BigRig
What did they look like before?

Re: Concave seat base? Will fabric sit correctly??

Posted: Thu Jun 10, 2021 3:12 pm
by Shrekndonkey
Pretty awful before! Really thin foam and saggy seat.
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Re: Concave seat base? Will fabric sit correctly??

Posted: Thu Jun 10, 2021 9:58 pm
by Matt Hamblin
@Shrekndonkey
If you are using scrim foam on your cover material something you can do is use the top of the seat when gluing your foam to the fabric as a sort of forming block. Or take a couple blocks of wood one on each side so the foam curves. This will help the foam somewhat take shape like you want. You can also shape the cushion with a slight dip in it to give it the extra shaping you want. Just some ideas. Hope it helps.

Re: Concave seat base? Will fabric sit correctly??

Posted: Thu Jun 10, 2021 10:00 pm
by Matt Hamblin
Also, being a chair that top part should come off. You can glue the foam down to it and glue the scrim to that before wrapping the cushion and seat together.

Re: Concave seat base? Will fabric sit correctly??

Posted: Fri Jun 11, 2021 4:59 am
by BigRig
If you are recovering with fabric you should be good to go.

Re: Concave seat base? Will fabric sit correctly??

Posted: Sat Jun 19, 2021 5:49 pm
by Shrekndonkey
Thank you for the supportive comments. All done now 😊

Re: Concave seat base? Will fabric sit correctly??

Posted: Thu Jun 24, 2021 2:17 am
by BigRig
Great cant wait to see the finished chair