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Outdoor · 21 July 2026

How to Measure Your Umbrella for a Replacement Canopy

A replacement canopy only works if it fits your frame properly. Off-the-shelf “universal” canopies are cut to a general fit, which is why they sag, flap and wear through at the rib tips. A made-to-measure canopy is patterned for your exact frame, and getting there starts with a few simple measurements you can take at home.

What we need to quote

Three measurements and two photos:

  1. Rib count
  2. Canopy diameter, tip to tip
  3. Pole diameter at the top
  4. Photos of the canopy, top and underside

That’s usually everything. Here’s how to take each one properly.

1. Count the ribs

Open the umbrella and count the arms radiating from the centre. Most umbrellas have 6 or 8 ribs; large market and cafe umbrellas can have more. Each rib creates one seam and one panel in the canopy, so this number sets the whole pattern.

2. Measure the diameter

With the umbrella open and the fabric reasonably taut, measure straight across from one rib tip to the opposite rib tip at the widest point. For a square or rectangular canopy, measure both the width and the length edge to edge.

Don’t measure sagging fabric. A loose, stretched-out old canopy reads bigger than the frame actually is, and that leads to a replacement that fits the old sag rather than the frame.

3. Measure the pole

Measure the diameter of the pole at the top, where the canopy mounts over it. The centre hole in the new canopy needs to match, and it’s the measurement people most often forget.

4. Photograph the attachment

Take a photo of the canopy from above and one from underneath. What we’re looking for is how the canopy attaches to the frame: rib pockets that the tips slide into, ties, or fasteners at the ribs. The replacement needs the same attachment method, and the photos also show us whether your canopy has a vented top, which helps in wind.

Wind vents and tilt mechanisms

If your umbrella has a vented top (a second small layer of fabric over an opening at the peak), the replacement should have one too. The vent lets gusts bleed through rather than lifting the whole umbrella out of its base.

If it’s a tilting or cantilever umbrella, mention that when you send the measurements. The canopy needs to clear the mechanism when it operates.

What if the frame is damaged too?

If the umbrella went over in a storm, check the ribs and arms before ordering a canopy. Broken wooden arms and ribs can usually be repaired, and it’s far better to fix the frame and fit the new canopy in one job.

Can’t get the measurements?

Bring the umbrella into the workshop, or just the old canopy if it comes off easily, and we’ll measure it directly. If the frame is sound, a made-to-measure replacement canopy in solution-dyed acrylic will typically outlast the original.

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