Washing your pool tower: complete guide

Your pool deck accumulates dirt, algae and stains over the seasons. These residues are more than just an aesthetic problem: they make surfaces slippery and can damage materials over the long term. Pressure washing cleans thoroughly and prolongs the life of your equipment.

This article explains how this method works, when to use it and how to avoid common mistakes. The information is presented simply and directly.

Key points to remember

• Pressure washing removes stubborn dirt, algae and stains that regular cleaning cannot remove.
• Inadequate pressure can damage the concrete, stone or wood of your pool tower.
• The ideal frequency varies according to exposure, surrounding vegetation and use.
• Preventive cleaning reduces the risk of slipping and preserves surface appearance
• Some fragile materials require gentle cleaning rather than high-pressure washing

What exactly is pressure washing?

Pressure washing uses a high-pressure water jet to dislodge embedded dirt from outdoor surfaces. For pool towers, this method removes green algae, mineral deposits left by chlorinated water, suntan oil residues and water spots.

Water pressure is measured in pounds per square inch (PSI). Residential washers generate varying pressures, depending on the model. Concrete surfaces tolerate higher pressures, while composite wood or porous stone slabs require a gentler approach.

Water alone is not always enough. For stubborn stains, you can add a detergent suitable for outdoor surfaces. These products dissolve oils and facilitate rinsing without damaging materials.

What signs indicate the need for a wash?

Your pool tower gives clear visual clues. Surfaces become slippery even in dry weather, creating a fall hazard. Green or black spots appear in joints or on tiles, a sign of algae or mold build-up.

White or greyish deposits around drains and on ledges indicate limestone accumulation. Areas where bathers walk barefoot often show persistent greasy marks.

Si vous frottez une surface avec votre main et qu’un résidu collant ou sombre reste visible, le nettoyage régulier ne suffit plus. Pressure washing then becomes justified.

According to Health Canada, wet surfaces around swimming pools encourage bacterial growth, making regular cleaning all the more important.

How often should I pressure-wash?

The frequency depends on several factors. A pool surrounded by trees accumulates more organic debris and generally requires more frequent cleaning: ideally in the spring before opening and in the fall after closing.

In an open environment with less vegetation, annual cleaning is often sufficient. Commercial or heavily used pools may require more regular maintenance to maintain high standards of cleanliness and safety.

Health Canada recommends adjusting frequency according to use and environmental conditions. Exposure to the elements and level of use have a direct influence on cleaning frequency.

Common mistakes to avoid

Using too much pressure is the most common mistake. On cracked concrete or composite wood, excessive pressure will widen cracks and pull out fibers. Always start with the minimum pressure and gradually increase if necessary.

Holding the nozzle too close to the surface creates permanent marks. Maintain a safe distance and move the spray in even strokes. Circular or zigzag movements give the best results without leaving lines.

Neglecting to rinse cleaning products accelerates clogging. Detergent residues attract dust. Always rinse thoroughly with clean water after applying any product.

Failure to protect adjacent plants and equipment can cause damage. Cover fixtures, electrical outlets and shrubs before you start.

Which approach to choose

What to do now

If your pool deck is showing signs of soiling, or if it’s been a long time since you last cleaned it, plan to have it washed before the high season. For small surfaces and if you already own the equipment, you can do it yourself, starting with low pressure.

For large surfaces, delicate materials or if you’re not sure of the right approach, call in a professional. A technical error can cost more in repairs than the service itself.

Inspectez l’état général de votre tour de piscine pendant le nettoyage. Look for cracks, deteriorated joints or moving boards. These problems need attention before they get worse.

Best practices for maintaining cleanliness

Between pressure washes, sweep your pool tower regularly to remove leaves and debris. Weekly sweeping reduces the build-up of organic matter that promotes algae growth.

Rinse surfaces after every intensive swim, especially if you use sun oils. A steady stream of water prevents residues from sticking.

Apply a protective sealer after every pressure wash, especially on wood and porous stone. The sealer creates a barrier against moisture and stains, extending the interval between thorough cleaning.

Make sure the drainage system is working properly. Stagnant water accelerates the growth of algae and mold. Clean drains and check that water drains freely after each rainfall.

Regular maintenance for peaceful seasons

Pressure washing your pool tower is not just a matter of appearance. It contributes to bather safety by eliminating slippery surfaces, and preserves your investment by preventing premature material degradation. With the right technique and the right frequency, you can enjoy a clean, welcoming space all season long. Preventive maintenance avoids costly repairs and extends the life of your facilities.

If you’re not sure which approach to take for your type of surface, or if you notice existing damage, our team can assess your situation and recommend the most appropriate solution.

Contact us to find out which solution is right for you.

Frequently asked questions