Pressure Wash Stucco Siding

Repair or replace damaged siding before pressure washing.

Pressure wash stucco siding.

Stucco is a great alternative to your standard siding brick or stone walls. In this guide we ll explain why it s so hard to clean stucco and also teach you the best way to clean stucco exterior. Stucco is delicate so attach a low pressure spray tip nozzle to the pressure washer s hose. Pressure washing the stucco is a good idea prior to painting it removes dirt and debris from the surface and ensures that the paint will adhere well to the finish.

If the siding panels overlap work across the topmost panel to the one it overlays. Saturate the entire wall with water before you begin applying the cleaning solution. However average power washers are not recommended for cleaning stucco. Matching the old and new stucco can be difficult but as it weathers it will blend in to the existing stucco.

Allow the patches to dry before your pressure wash which generally takes a week or more. Unless you have an option to lower the setting skip the power washing method and use your garden hose. Patching existing stucco isn t difficult and there are many pre mixed stucco patches commercially available. Keep the spray away from gaps such as those around door and window trim.

Painted soft grain wood siding stucco and aluminum siding are best treated with 1 200 to 1 500 psi models. If you can t afford one of your own or don t need one that bad then you can always rent one at a cost of about 30 50 a day. The power of the water can cause even more damage especially to the softer and thinner areas of stucco. Pressure washers are capable of expelling water at speeds of up to 243 miles per hour that s on par with category 6 hurricane winds or the bite pressure of a great white shark and a lion combined.

Avoid spraying under the bottom edges of the panels. For delicate stucco it s also best to use a 25 to 30 degree wider spray nozzle to. The intense force behind pressure washing is destructive for stucco. This can turn a once beautiful wall into a nightmare of dirt streaks and mildew growth.

Use a pressure washer to saturate the wall with water. For us that special way of cleaning is through pressure washing. Unfortunately the textured surface of stucco is notorious for accumulating dust and dirt over time. Pressure washers come with different nozzles that spray with varying amounts of water pressure.