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What Surfaces Should Never Be Pressure Washed?

Dec 6, 2025

Introduction:

Pressure washing is an effective way to clean various surfaces, especially when you want to maintain the beauty of your property in Biloxi. However, not all surfaces are suitable for this method. Understanding which surfaces should never be pressure washed can help prevent damage and ensure your property remains in top condition. Absolute Pressure Roof & Exterior, a licensed and insured company serving Biloxi and the Gulf Coast, is here to guide you with professional advice.

Delicate Roofing Materials:

In Biloxi, roof cleaning is essential due to the area's humid climate, which can lead to mold and algae growth. However, using pressure washing on delicate roofing materials like asphalt shingles can cause significant damage. The force of the water can strip away the protective granules, leading to premature aging and leaks. Instead, consider soft washing techniques that use gentle cleaning solutions.

Wood Siding:

Wood siding adds a charming aesthetic to many homes in Biloxi, but it is prone to damage if pressure washed. The high-pressure stream can strip away paint, gouge wood, and force water behind the siding, leading to mold growth. For wood siding, a softer approach with a low-pressure wash or manual cleaning is advisable to preserve its integrity.

Old Mortar:

Older brick homes and structures in Biloxi often have mortar that can be weakened over time. Pressure washing can exacerbate this issue by eroding the mortar between bricks, leading to structural problems. It is crucial to assess the condition of the mortar before considering any cleaning method. A gentle washing solution may be a better option for these fragile surfaces.

Painted Surfaces:

Painted surfaces, especially those that have started to flake or peel, should never be pressure washed. The intense pressure can strip paint entirely, leading to an uneven and unattractive look. This is especially pertinent in Biloxi, where the coastal environment can already take a toll on painted exteriors. Opt for a more controlled cleaning method to maintain the beauty of painted surfaces.

Electrical Panels and Outdoor Lighting:

Pressure washing around electrical panels or outdoor lighting fixtures in Biloxi can be hazardous. Water can infiltrate electrical components, leading to shorts or electrical failures. It is essential to avoid these areas entirely when pressure washing or to consult with professionals like Absolute Pressure Roof & Exterior, who are equipped to handle such sensitive tasks safely.

Conclusion:

While pressure washing is a powerful tool for maintaining the cleanliness of your property in Biloxi, it is vital to understand which surfaces should be avoided to prevent damage. Delicate roofing materials, wood siding, old mortar, painted surfaces, and electrical components require careful consideration and alternative cleaning methods. Rely on the expertise of Absolute Pressure Roof & Exterior, serving Biloxi and the Gulf Coast, to ensure your property is cleaned effectively and safely.

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