Sunbrella is a woven fabric. Even though it is treated with water
repellency, some “misting” through the fabric is typical. With new
canvas, the greatest potential for leakage is through the sewn seams.
Because Sunbrella and the long term thread used ins synthetic, the
holes created by sewing will not swell up and seal when exposed to
water as cotton does. Usually the movement of the fabric in use will
move the fi bers enough to seal the holes. You may apply Apseal or
Uniseal to the seams to speed up this process.
When the canvas is new the fi t will normally be tight. It is designed
this way because Sunbrella stretches as it ages. The initial tight fi t
allows for a suitable fi t for the life of the canvas. The Sunbrella fi t will
vary slightly in the heat, cold, and/or rain.
Sunbrella Cleaning Instructions___________________
Sunbrella should be cleaned regularly before substances such as dirt,
roof particles, etc., are allowed to accumulate on and become embedded
in the fabric. The fabric can be cleaned without being removed from
the boat. Simply brush off any loose dirt, hose down the canvas, and
clean with a mild solution of natural soap in lukewarm water. Rinse
thoroughly to remove the soap. DO NOT use detergents! Allow the
canvas to air dry.
For heavily soiled fabric, remove the sunbrella from the frame.
Soak the fabric in a solution that has been mixed to the following
proportions: 1/2 cup of Clorox bleach and 1/4 cup of Ivory or Lux
soap (liquid or soap) per each gallon of lukewarm water. Allow the
fabric to soak until the bleach has killed the mildew and the stains can
be brushed out with a common kitchen scrub brush. Rinse the fabric
thoroughly in cold water to remove all the soap. This may require
several rinsings. Incomplete rinsing can cause deterioration of sewing
threads and prohibit the fabric from being properly retreated. Allow
the fabric to dry completely. DO NOT steam press or dry in an
7-8
Chapter 7
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