DIY Network

Case of the Rusting Stucco Searching for the source of rust on the stucco and deck of an oceanside home From "Finders Fixers" episode DFFX-105

Homeowners Joseph and Sylvia Correnti find the rust consuming their waterfront stucco home is more than skin deep. Breaking up the stucco at the corners of the house, they find, as host and home inspector Wally Conway first suspected, the reason for the rust. Repairs include a creative decorative architectural addition to the corners of the house. As part of the repair process, Wally Conway also teaches the Correntis how to install vinyl corner bead and stucco the repaired corners .

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Repairing Rusty Stucco Corner Bead

Materials:

tarp
adhesive
safety
glasses
carpenter’s square
gloves
stucco mud
hammer
trowel
chisel
dry and damp floats
plastic bead stop
sponge
plastic corner bead
paint and paintbrush
noncorrosive nails

1. Determine how wide the band around the corner needs to be. Measure, level and mark the band width on each side of the corners (figure A).

2. Chipping off stucco is a messy job, so lay down a tarp before you begin. For safety, wear protective glasses and gloves (figure B).

Figure A

Figure B

3. Chip away the stucco in the designated area using a hammer and chisel. Once the area is clear of the unwanted stucco, remove the old corner bead (figure C) (figure D).

4. Measure out the new plastic corner bead and cut to size; install using noncorrosive nails (figure E).

Figure C

Figure D

Figure E

5. Measure out stucco stop and cut to size ; use an adhesive to hold in place, making sure the stucco is even with the lines drawn earlier. Use a carpenter’s square to check your work; when it's even, nail into place (figure F) (figure G).

6. Aapply the stucco mud. Before applying, make sure the surface is free of any paint: rough and porous paint won't allow the base or scratch coat to adhere properly. Load the trowel with mud and press it in place, making sure to fill all the voids (figure H).

Figure F

Figure G

Figure H

7. Allow the first coat to dry for several hours before applying the second finish coat. The finish coat is applied from the top down on top of the scratch coat to smooth out the stucco surface.

8. A damp float, worked lightly in a circular motion, will further smooth out the surface. Follow the same procedure with a dry float (figure I).

9. Use a damp sponge to wipe off the new plastic corner bead. When dry, the stucco can be painted (figure J) (figure K).

Figure I

Figure J

Figure K

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