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Equipment guides

WATERWORKS / GUIDES & KNOW-HOW

How to clean windows with a water-fed pole

A practical guide to preparation, controlled brush work and rinsing with purified water.

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How to clean windows with a water-fed pole

EQUIPMENT. EXPLAINED.

Clear advice for the working day.

3 min read

Published November 10, 2025

Updated October 27, 2026

In this guide

THE SHORT ANSWER

The essentials.

Check the property and your equipment, confirm water quality, then clean frames and glass using controlled brush movements and a thorough rinse. The finish depends on water purity, surface condition and technique—not the pole alone.

KEEP THESE IN MIND

01

Check the work area, pole condition and safe working height.

02

Keep the hose route controlled and clear of other people.

03

Inspect the result and adjust your rinse technique where needed.

GUIDE / 01

Assess the property before extending the pole

Check access, the surface to be cleaned and the route between your vehicle and the windows. Look for damaged glazing, loose seals, open vents, overhead cables, pedestrians and changes in ground level. Agree any exclusions with the customer before starting.

A pole can avoid some work at height, but it does not remove every risk. Use equipment within its specified limits and follow HSE window-cleaning guidance. Where the job cannot be controlled safely, choose another method or obtain specialist help.

GUIDE / 02

Prepare the water and equipment

  • Check the final water output with a suitable TDS meter and follow the system’s water-quality guidance.
  • Inspect the pole, clamps, brush and hose for damage or contamination.
  • Connect compatible fittings and test the flow before approaching the glass.
  • Route the hose so that it does not create an uncontrolled trip hazard.
  • Use the pole and brush combination specified for the reach and surface.

A low TDS reading helps identify dissolved solids in the water; it cannot tell you whether the brush is dirty or whether residue is running from the frames.

GUIDE / 03

Clean, then rinse methodically

  1. Start with frames and edges. Loosen accumulated dirt without forcing water into vents, damaged seals or openings.
  2. Agitate the glass. Use controlled, overlapping brush passes and work in manageable areas. Avoid pressing harder than the equipment or surface requires.
  3. Rinse thoroughly. Work from the top down with clean water, carrying loosened dirt away from the cleaned area. Follow the brush and jet instructions for the appropriate rinsing technique.
  4. Inspect the result. Check a representative window after drying. Revisit any missed areas and identify the cause of streaks before repeating the whole job.

A first clean may need more attention than a regular maintenance visit. Drying time varies with weather and the surface; there is no fixed ten-minute rule.

GUIDE / 04

Troubleshoot marks instead of guessing

What you notice

What to check

Spots across the glass

Final water quality and contamination in the tank, hose or brush

Runs from the upper frame

Dirty seals or frames releasing residue after the rinse

Missed patches

Brush coverage, angle and contact with the surface

Persistent marks after a careful clean

Existing mineral deposits, surface damage or contamination needing a different treatment

Do not assume that every stain is removable with more brushing. Check the glass or coating manufacturer’s guidance before using abrasives, scrapers or specialist products.

GUIDE / 05

Pack down ready for the next visit

Bring the hose back under control, protect the brush from grit and check for damage as you put equipment away. Follow the manufacturer’s cleaning and storage instructions, particularly during freezing weather.

For the equipment behind the method, see essential window cleaning tools and the pure-water guide.

YOUR QUESTIONS, ANSWERED

Questions and answers

Can I use ordinary tap water with a water-fed pole?

Tap water can leave mineral spots if allowed to dry on the glass. A pure-water rinse uses treated water; traditional cleaning can use a suitable solution followed by removal with a squeegee.

How high can I safely work?

There is no universal safe height. The pole’s limits, site conditions, overhead hazards, operator competence and work method all need to be considered.

Why are there streaks even with low-TDS water?

Check frame contamination, brush cleanliness, agitation and rinsing. Water quality is only one part of the result.

CLX™ Carbon Composite Pole - CLX 22

PUT THE ADVICE TO WORK

Make the right choice for your setup.

Compare the current options and specifications, then talk to the Waterworks team if you need help matching equipment to your round.

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FROM THE WATERWORKS TEAM

Practical equipment guides from Waterworks in Corby. For advice about your own configuration, contact the team.

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