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How to Sew a Carpet Seam


Carpet seams buckle over time when done improperly. Hence, they should be put together properly to attain a superb finish. They can be finished by sewing, tape, or glue. Sewing carpet seams can be a tedious process, but when done correctly, it guarantees a smooth-looking floor finish. Keep in mind this is an advanced do it yourself project and most carpet manufacturers will not warranty a carpet that has been damaged due to improper installation.  If performed incorrectly a poor seam can cause the carpet to buckle, seam peaking, and loss of tufts due to improperly sealed seams.

STEP 1: Secure a Sewing Tool

If you have the expertise and access, use a heavy-duty carpet sewing machine. This machine has an extensive feeding power than that of ordinary machines used for sewing clothing. It is designed to sew smoothly, even when used on heavy materials like carpets. Hand-sew the carpet seams if you are unable to procure such a machine.

STEP 2: Use Appropriate Needle, Thread, and Scissors

Use sewing needles designed only for sewing carpets and heavy fabrics. They vary in size and the most suitable to use will depend on the carpet thickness to be sewn. It is advisable to ask at a textile shop the needle size and the appropriate thread thickness for carpet sewing. Secure scissors suitable for cutting heavy-duty textiles. Use a thread that matches the carpet color.

STEP 3: Measure the Carpet Pieces to be Sewn

Measure the carpet pieces with a tape measure. Each piece should have even measurements. For example, to make a 50 x 50 inch piece of carpeting, one needs to measure and mark with marking chalk two pieces of 25 x 25 inch carpet to make a total of 50 x 50 inch piece.

STEP 4: Cut the Carpet Pieces

Cut the carpet pieces along the chalk-marked lines of the material with heavy-duty fabric scissors. Just make sure that it still has space for sewing. Seal the edges with latex glue manufactured for this use.

Step 5: Sewing Carpet Pieces

An overcast stitch is the best sewing method for raw edges to help it from unraveling.  Make evenly spaced diagonal stitches around the edge of the fabric between 10mm and 13mm apart from each side of the seam.  When completed secure the stitches with more latex adhesive then cover with cloth adhesive tape.



Ask the Family handy-man . Pleasantville, N.Y.: Reader’s Digest, 1999. Print.

“Navan Carpets Installation Guidelines.” Navan Carpets Homepage. N.p., n.d. Web. 13 Dec. 2010.

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