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Extreme Clean Conservatory Roof Cleaner 20.0 kg

Manufactured by Extreme Clean

Why Choose Our Products?

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Non-caustic pH-balanced conservatory roof cleaner formula – safe on UPVC glass aluminium & seals.

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Destroys and lifts algae lichen moss & atmospheric grime from conservatory roofs and frames.

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Water-repellent additive helps prevent future staining and pooling on conservatory roof panels.

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Concentrated cleaner – dilute up to 1:10 for maintenance or use neat on heavy biological growth.

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Easy application – spray on conservatory roofs agitate lightly rinse off – no harsh scrubbing needed.

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Made & bottled in the UK in UN-approved HDPE drums.

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Free next-day mainland UK shipping.

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Extreme Clean Conservatory Roof Cleaner is a professional-grade, caustic-free detergent and biocide blend specially formulated to revive dulled glass or polycarbonate conservatory roof panels, white UPVC rafters, and aluminium frames without etching or yellowing delicate plastics. Advanced surfactants in this conservatory roof cleaner break the bond between traffic film, bird droppings, and organic growth, while a quaternary biocide kills spores to delay regrowth.

Unlike bleach-based roof cleaners, the balanced pH formulation is gentle on seals and gaskets yet powerful enough to tackle green staining on hard-to-reach conservatory roof slopes. A built-in hydrophobic additive leaves a microscopic water-shedding layer so rain helps keep conservatory roofs cleaner for longer.

Ideal Uses

  • Glass & polycarbonate conservatory roofs

  • UPVC rafters, gutters & roof frames

  • Skylight surrounds & lantern roofs

  • Greenhouse glass & acrylic panels

  • Fascias, soffits & cladding around conservatories

Sizes & Coverage

Pack Size

Dilution 1:10 (Maintenance)

Neat / Heavy Soil

5 L

≈ 150 m²

≈ 40 m²

20 L

≈ 600 m²

≈ 160 m²

Coverage varies with surface texture and contamination.

  • Safety – Wear gloves & eye protection. Work from ground or secure platform; follow ladder safety.
  • Dilute conservatory roof cleaner up to 1:10 with clean water for light dirt. Use 1:4 for algae streaks or neat for black lichen spots.
  • Apply with low-pressure sprayer or soft brush, working from bottom up to avoid streaks.
  • Allow dwell time of 2–5 minutes—keep surface wet; do not allow to dry.
  • Agitate stubborn areas with a non-scratch extension brush.
  • Rinse thoroughly with hose or low-pressure washer until runoff is clear.
  • Repeat for aged stains after 24 hours if needed.
  • Tip: Clean conservatory roofs on an overcast day to reduce evaporation streaks.

Important Restrictions

  • Not for polished anodised aluminium without prior test.
  • Pre-wet and rinse nearby plants; runoff can scorch foliage.

Do not mix with chlorine bleach or acid cleaners.

Property Value
AppearanceClear, pale-green liquid
OdourMild detergent
pH (neat)8 – 9
Active ingredientsNon-ionic & amphoteric surfactants, quaternary ammonium biocide, water-repellent additive
Dilution rangeNeat – 1:10 water
Contact time2–5 minutes
Biodegradability> 90 % (OECD 301F)
Property Value
PackagingUN-approved HDPE – 5 L & 20 L
Shelf life18 months (sealed, frost-free)
Transport classNon-hazardous
COVERAGE CALCULATOR
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Frequently Asked Questions

Will this conservatory roof cleaner damage my polycarbonate panels?
No – this caustic-free conservatory roof cleaner is specially formulated to be safe on polycarbonate roof panels and glass. Always rinse thoroughly to remove any residue.
Do I need to climb onto the conservatory roof to clean it?
Usually not. This conservatory roof cleaner works effectively when applied from the ground using a telescopic soft-bristle brush and sprayer, making roof cleaning safer and easier.
Can I use this conservatory roof cleaner through a pressure-washer chemical injector?
Yes – set the injector draw rate to approximately 1:10 dilution for the conservatory roof cleaner, apply at low pressure, then rinse with a wide fan spray for best results.
Does the conservatory roof cleaner leave streaks on glass or polycarbonate roofs?
No. When rinsed well with clean water and either squeegeed or air-dried, the hydrophobic finish from this conservatory roof cleaner minimizes streaks and water spotting.
Is this conservatory roof cleaner safe on lead flashing and rubber roof membranes?
Yes. Its neutral pH formula won’t corrode lead flashing or damage EPDM rubber membranes commonly found on conservatory roofs when used as directed.
How often should I clean my conservatory roof with this cleaner?
Typically, twice a year is sufficient. However, conservatories located in coastal or heavily treed areas may require more frequent cleaning with this roof cleaner to keep them pristine.
Can this conservatory roof cleaner be used indoors or in enclosed spaces?
Yes, but ensure there is good ventilation. Instead of rinsing with a hose, wipe the cleaned surfaces with a damp cloth for indoor applications.
What is the minimum temperature for effective use of this conservatory roof cleaner?
For best cleaning performance, use the conservatory roof cleaner above 5°C, as lower temperatures can reduce its effectiveness.
What personal protective equipment (PPE) should I use when applying this conservatory roof cleaner?
Wear gloves and safety goggles to protect your skin and eyes from contact with the conservatory roof cleaner. Avoid prolonged skin exposure.
Will this conservatory roof cleaner remove silicone smear or residue?
No. This conservatory roof cleaner is designed to remove organic dirt and biofilm, but will not remove cured silicone smears. Use a specialist solvent cleaner for silicone removal.

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Regular price £39.99 (inc VAT)
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