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Seam sealants are sprayed or extruded over the joined edges of these overlaps, and they then either cure to a flexible waterproof "seal" by drying (dehydrating) in the case of water borne compositions, or thermoset irreversibly to a flexible adherent seam seal by going through an oven bake in the case of plasticized polyvinylchloride compositions.
Overcast stitch – used to enclose a raw, or unfinished, seam or edge; Pad stitch – secures two or more layers of fabric together and provide firmness; Pick stitch – hand stitch that catches only a few threads on the wrong side of the fabric, difficult to produce nicely so typically used for hemming high quality garments
Continental stitch is worked horizontally or vertically across the canvas. On the back of the work, the stitches appear diagonally across two threads. This method uses more yarn than half cross stitch tent stitch but is more hardwearing. Half cross tent stitch Half cross stitch is worked horizontally or vertically across the canvas.
A Hong Kong seam or Hong Kong finish is a home sewing term [8] for a type of bound seam in which each raw edge of the seam allowance is separately encased in a fabric binding. [9] In couture sewing or tailoring , the binding is usually a bias -cut strip of lightweight lining fabric; in home sewing, commercial bias tape is often used.
Invisible darning is the epitome of this attempt at restoring the fabric to its original integrity. Threads from the original weaving are unraveled from a hem or seam and used to effect the repair. Invisible darning is appropriate for extremely expensive fabrics and items of apparel. A woman using a machine to darn sacks.
A garment described as waterproof will have a water-repellent coating, with the seams also taped to prevent water ingress there. Better waterproof garments have a membrane lining designed to keep water out but allow trapped moisture to escape (" breathability ")—a totally waterproof garment would retain body sweat and become clammy.