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Sewing Light Reduction Draperies (Shimmer, Midnight, The Dark Side, Twilight, Nightline, White Knight)
- Sew using a 14 gauge ball point needle;
- Stitch length 4 to 5mm with little or no tension;
- Blind stitch hem base.
Crypton® recommend the following when upholstering waterproof fabric.
- Thread: 100% nylon – Tension/strength: 15kg breaking strength (top of cushion);
- 10kg breaking strength (bottom of cushion);
- Needle size: 22 gauge needle;
- Needle type: Ball point needle;
- Stitches (20/cm).
NOTE: When upholstering tight cushions (kitchen/dining chairs, office chairs, slip covers, tightly upholstered pieces, etc.), sew or staple as you would with any other fabric).
Crypton® recommend the following when Upholstering Waterproof fabric.
The following recommendations are for soft fill upholstery applications. The fabric MUST be sewn and vented in the same manner as any upholstered leather.
The preferred method of venting the cushion is much the same as an upholstery professional would manage leather and / or some vinyls. For the bottom cushion, we recommend applying a strip of heavier gauge muslin with an open weave, a “breather strip”, (fig.1), measuring approx 15 – 20cm wide accreoss the width of the bottom of the cushion (or on the back face of the bottom cushion). It can be used on either the front or back of the bottom face of the cushion – we recommend holding it back 2.5 – 5cm from the edge to avoid visibility (back is usually preferred).
FIG. 1 Air exhausts most rapidly and refills most expeditiously with this venting method on a traditional box cushion.
The same venting recommendation applies to a non-boxed cushion, where the top piece of fabric is stitched directly to the bottom piece of fabric with no boxing. The back cushions
should also employ a heavier gauge muslin breather strip on the unseen edge of the boxing or gusseted portion of the cushion. Apply approximately 90-100mm breather strips across the width of the boxed portion of the cushion (often referred to as the gusset).
If you want the option of a reversible cushion, although with Crypton® it is not necessary to rotate cushions, we recommend applying the breather strip approximately 90-100mm across the width of the bottom of the boxed portion on the back side of the cushion (fig.2), also referred to as the bottom gusset. This method will also alleviate the issue of puckering and refill on a softer fill application with Crypton® Fabric.
FIG. 2: Sew a heavy gauge muslin breather strip along the back of the cushion where the zipper is.
NOTE: Grommets and blowholes do not refill the loft as fast as desired.
Please discourage your upholstery professional from using this method for venting.