How to Repair Cracks and Holes in Stucco

How to Repair Cracks and Holes in Stucco


Repairing and Sealing Cracks and Holes
in Stucco. Stucco is one of the most durable wall surfaces available, but
because of its rigid nature, stucco can develop cracks and holes over
time, due to settling and impact damage. Once a crack or hole develops, it is
important to seal it from water to prevent further deterioration. Flexible
sealants are the best solution for cracks that are subjected to continual
wall movement because they will allow the stucco wall to shift without
affecting the repair. Proper attention to crack preparation is essential to
achieving a successful result. Using a chisel and Hammer widen the crack to a
minimum of one-quarter inch and break away any deteriorating material. The
edges of the crack should be vertical or beveled in an inverted V. Then, remove
the loose material with a brush. For cracks less than one-half inch wide several repair caulk and sealant products
are available from QUIKRETE. QUIKRETE Stucco Repair is a sanded acrylic caulk,
designed to match the texture of the surrounding stucco surface. QUIKRETE Sttucco Repair can be used on horizontal
or vertical surfaces and dries to a firm, durable material. To apply stucco repair,
simply cut the nozzle tip on an angle, with a utility knife, to match the
width of the crack and load the tube into a standard caulk gun. Slowly draw the gun
down the crack, forcing a bead of stucco repair caulk deep into the crack. Stucco Repair can be tooled with a trowel,
to match the surrounding surface, immediately after placement. Stucco Repair will begin to form a skin in about 20 to 40 minutes and will harden
completely in one to two hours depending on temperature, humidity and crack depth. Stucco Repair should be applied only
when temperatures are between 40 and 90 degrees and should be allowed to cure
for 24 hours, before painting with a water-based paint. Stucco Repair is a
water-based product that can be cleaned up easily with a damp cloth. For small,
non-structural, aesthetic repairs to stucco, QUIKRETE Pre-Mixed Stucco Patch is an easy to use alternative. Stucco Patch is a pre-mixed, ready to use, acrylic latex
formula for making repairs to cracks, holes, spalls and breaks up to
one-quarter inch wide. Pre-mixed Stucco Patch dries quickly to a durable,
flexible finish that blends with the texture of the surrounding stucco. For
patches or cracks over one-quarter inch, pre-mixed stucco patch should be
applied in multiple layers, allowing each layer to dry before applying the next.
Pre-mixed Stucco Patch will begin to form a skin in about 20 to 40 minutes and will
harden completely in one to two hours, depending on temperature, humidity and
depth of the patch. Pre-mixed stucco patch should only be applied when temperatures are
between 50 and 90 degrees and should be allowed to cure for 72 hours before
painting with a water-based paint.

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