Replacing Awning Fabric: How to Measure, Order and Re-cover

Replacing awning fabric, often called re-covering, is usually the smart move when a retractable awning's frame and arms still work well but the canopy is worn out. A residential re-cover typically costs about $500 to $2,000 including a professional swap, versus several thousand dollars for a new motorized awning. The key to success is ordering fabric that fits the specific frame: the right width for the roller tube, the right length for the arm projection plus roller wraps, a keder edge that matches the tube and front bar slots, and seams laid out so the fabric rolls evenly.

This guide covers residential lateral-arm and fixed awnings. RV owners should see RV awning fabric replacement, which uses a different rail system.

Replace the fabric, repair it, or replace the awning?

A quick test for fabric condition: pinch a sun-exposed area of the top face and pull firmly. If it tears or the coating cracks, repair is no longer worth it. The awning repair guide covers the fixes worth trying first. Typical lifespans for comparison are about 8 to 15 years for solution-dyed acrylic and 5 to 10 years for coated polyester, while powder-coated aluminum frames often last 15 to 25 years or more (see awning lifespan).

How retractable awning fabric attaches

On most lateral-arm awnings, the canopy has a keder along two edges: a cord or plastic bead sewn into a hem. One keder slides into a channel running the length of the roller tube; the other slides into a channel in the front bar (also called the front profile or lead rail). The valance usually has its own keder in a second front bar slot. Some fixed awnings and older designs use a spline pressed into a groove instead, or lacing to the frame.

That design has three practical consequences:

• The keder diameter has to match the channel. Too small and it can pull out under wind load; too large and it will not feed.
• The fabric width has to fit between the roller tube end caps or arm brackets with a small clearance on each side, so it rolls without rubbing.
• Removing the old canopy means supporting the front bar and managing arm tension, which is why most re-covers on lateral-arm awnings are done by an installer.

Definitions for these parts are in the awning glossary.

How to measure for replacement fabric

The most reliable path is to order from the original manufacturer or an authorized dealer using the model and serial number, often on a label on the roller tube, end cap or arm. They will have the exact canopy dimensions. If that is not possible, measure carefully:

1. Roller tube length. With the awning extended, measure the exposed roller tube between the end caps or brackets, in inches to the nearest 1/8 inch.
2. Existing fabric width. Measure the current canopy edge to edge at the roller and at the front bar. Fabric is usually slightly narrower than the tube to clear the ends; note the clearance on each side.
3. Projection length. With the awning fully extended and arms straight, measure from the roller tube keder slot to the front bar keder slot along the fabric.
4. Extra wrap. Fully extended, most awnings leave at least one wrap of fabric on the tube for strength. Note how much fabric remains on the roller, or ask the maker for the wrap allowance.
5. Valance. Measure the valance length, drop height, and edge style (straight, scalloped, or other).
6. Keder sizes. Measure the old keder bead diameter, or take a cut-off sample to the fabricator. Note whether the valance keder is separate.
7. Photograph everything. Seam positions, stripe direction, label locations, and how the fabric meets the end caps.

Panel layout, fabric direction and seams

Woven awning fabric comes in rolls, commonly around 46 to 47 inches wide for many acrylic awning fabrics, with some wider widths available. A retractable canopy wider than one roll is made of several panels sewn or welded together.

• Seams usually run front to back, from the roller to the front bar. That way each seam winds onto the tube evenly across the full roll rather than building a single thick ridge across the width.
• The fabric's length runs in the projection direction. Running the roll lengthwise from roller to front bar keeps the fabric's lengthwise yarns aligned with the tension from the arms, and keeps striped patterns running front to back, the conventional look for retractables.
• Seam placement should be symmetrical where possible, and seams should not sit directly under an arm, where they rub as the awning opens and closes.
• Thread matters. Ask for PTFE thread, which resists UV far longer than standard polyester thread. Many seams fail before the fabric does.
• Railroading (running the fabric sideways so the width becomes the projection) avoids seams on narrow awnings with short projections, but is less common on retractables and changes stripe direction.

Yardage and cost: a worked example

Factors that move the price:

• Fabric choice. Branded solution-dyed acrylic costs more than coated polyester but typically lasts longer. Compare options in the awning fabric guide or try the fabric selector.
• Size and seams. More width means more panels and more sewing.
• Valance style. Scalloped or custom shapes and printed lettering add labor.
• Installation. Second-storey or soffit-mounted units, and those with arms that must be unloaded, take longer.
• Brand-specific canopies. Some manufacturers sell pre-made replacement canopies for their frames, which simplifies ordering.

What the installation involves

A re-cover on a lateral-arm awning usually goes like this. The awning is extended and the front bar supported on stands or by helpers. Arm tension is managed according to the maker's procedure so the front bar can be freed. The old fabric is slid out of the roller and front bar channels. The new canopy is fed into the roller channel, centered, and wound on evenly; the front keder is fed into the front bar; and the valance is installed. Finally, the installer checks pitch, levels the front bar, and adjusts motor limits if the awning is motorized, because a new canopy can be slightly thicker or longer than the old one.

Fixed awnings with lace-on or spline-mounted covers are more DIY-friendly: unlace or remove the old cover, fit the new one, and tension evenly from the center outward.

Who should re-cover, and who should replace

Re-cover if your awning is a quality unit with sound arms, a working gearbox or motor, solid brackets, and fabric that is simply worn or dated. Owners of premium lateral-arm awnings benefit most, since the frame may have well over a decade of life left.

Replace the whole awning if it is a budget model whose parts are no longer sold, if arms or brackets are damaged, or if you want features the old frame cannot support, such as a cassette, longer projection or a different motor system. Use the awning cost calculator to compare a new unit against your re-cover quote.

Before you order, check the fabric warranty on the old canopy. Sunbrella fabrics, for example, carry a 10-year limited warranty; check current terms, as coverage typically depends on fabric defects rather than wear or weather damage. Our guide to awning warranties explains what is usually covered.

Frequently asked questions

How much does it cost to replace awning fabric?

Re-covering a residential retractable awning typically costs about $500 to $2,000 in 2026, depending on size, fabric, valance style and installation difficulty. Most of the cost is fabrication and labor rather than fabric. Large, motorized, second-storey or premium-fabric jobs land at the upper end. Get the quote itemized so you can compare it with a new awning.

Can I replace retractable awning fabric myself?

On fixed, lace-on and spline-mounted awnings, often yes. On lateral-arm retractables it is risky, because the arms are spring-loaded and push the front bar outward once the fabric is released. Unless the manufacturer publishes a homeowner procedure, have an installer handle the swap. You can still save by ordering the canopy yourself through the maker or dealer.

What is a keder on an awning?

A keder is a cord or plastic bead sewn into the edge of the fabric. It slides into a matching channel in the roller tube and front bar, holding the canopy securely along its whole length. The valance often has its own keder in a separate slot. When ordering new fabric, the keder size must match the channels on your frame.

Should awning fabric seams run front to back or side to side?

On most retractable awnings, seams run front to back, from the roller tube to the front bar. That way the extra thickness of each seam winds evenly onto the roller instead of forming a single ridge across the full width. Seams are also best kept away from the arms, where rubbing can wear the thread.

How much fabric do I need to re-cover an awning?

Divide the canopy width by the usable width of each panel (roughly 44 to 45 inches for 46 inch fabric after seams), round up, then multiply by the panel length: projection plus roller wrap and hem allowances. A 16 ft by 11 ft awning works out to about 20 yards for the canopy plus a yard or two for the valance.

Sources and further reading

• Sunbrella (Glen Raven): Sunbrella awning fabric specifications and fabrication guidance
• Sunbrella (Glen Raven): Sunbrella Fabrics Limited Warranty
• Advanced Textiles Association (formerly IFAI): Specialty Fabrics Review articles on awning fabrication
• Professional Awning Manufacturers Association (PAMA): resources on retractable awning service