How to Use a Waterproofer for Exterior Surfaces

RON HAZELTON:
When it comes to weatherproofing or waterproofing outdoor surfaces, well, most often we think of wood, but there are other materials that would also benefit from the right kind of waterproofing.

Concrete birdbaths, planters and lawn ornaments, for example, are porous and can absorb water. In some cases, this moisture can freeze, expand and cause cracking. A multisurface waterproofer like this can prevent that kind of damage.

For larger areas, the easiest way to apply it is with a garden-type sprayer. Pour it in, pump up the pressure and apply. It's important to avoid puddling and pooling. A thin, even coat works best. Keep the spray nozzle about 12 inches from the surface and move back and forth in smooth strokes.

The waterproofer dries fairly quickly. After about 48 hours, perform a splash test to determine if another coat is required. If the water beads up like this, the surface has adequate protection. Terracotta or clay pots are also very porous and can be easily damaged by freezing.

For small pieces like these, the waterproofer comes in a convenient aerosol can. Just shake and spray. Again, the splash test shows the result. The outdoor waterproofer can be used on other materials as well. Smaller wooden objects like this birdhouse can be easily and quickly treated with the aerosol can.

The cedar will protect the wood, but allow it to age naturally. If you're a hiker, camper or boater, you can waterproof maps and charts with the same aerosol sealer. Just lay the article flat and apply an even coating to one or both sides.

When dry, water will run off without penetrating while the chart or map will remain flexible.

So when it comes to protecting concrete, brick, terra cotta, maps, birdhouses or just about anything else from outdoor moisture, well waterproof protection is just a spray away.