Bilt Hamber Surfex HD
Bilt Hamber Surfex-HD is a powerful, biodegradable all-purpose cleaner and degreaser (APC) that tackles everything from light interior cleaning to heavy engine bay degreasing.
Key Benefits
- Highly Versatile APC: Cleans engines, tyres, wheel arches, paintwork, plastics, fabrics, carpets, and more.
- Powerful Degreasing Action: Easily removes grease, oil, traffic film, road grime, and stubborn dirt.
- Highly Concentrated Formula: Dilute from 100:1 for light cleaning right through to neat for extreme degreasing.
- Biodegradable & VOC Free: Water-based formulation that is environmentally responsible and pleasant to use.
- Non-Caustic: Delivers outstanding cleaning performance without relying on harsh caustic ingredients.
- Safe on Most Surfaces: Suitable for paint, plastics, rubber, engine bays, wheel arches, fabrics, carpets, alloy wheels, and more when diluted appropriately.
- Pressure Washer Compatible: Can be used through pressure washer detergent systems or foam sprayers for light degreasing.
- Professional Grade: Trusted by detailers worldwide as one of the most versatile cleaners available.
Recommended Dilutions
- 1–2%: Interior fabrics, upholstery, headlining and light cleaning.
- 2–3%: Interior plastics, vinyl and trim.
- 5–10%: Tyres, wheel arches, exterior plastics and heavier general cleaning.
- 10%: Brake calipers and heavy automotive grime.
- Neat: Maximum grease and oil removal on heavily contaminated surfaces.
Perfect For
- Engine bay cleaning
- Tyres and wheel arches
- Exterior plastics
- Interior plastics and vinyl
- Fabric and carpet cleaning
- Brake calipers
- Workshop degreasing
- Pre-wash cleaning
- General household cleaning
How to Use
- Dilute Accordingly: Mix Surfex-HD to suit the level of contamination and the surface being cleaned.
- Apply to a Cool Surface: Spray evenly onto the area requiring cleaning.
- Allow to Dwell: Leave the product to work for 1–5 minutes without allowing it to dry.
- Agitate if Required: Use a detailing brush or suitable cleaning tool for stubborn contamination.
- Rinse or Wipe Away: Rinse thoroughly with clean water or wipe with a damp microfibre towel where appropriate.
- Repeat if Necessary: Increase the dilution strength for heavily contaminated areas if required.
Important Information
Always work on cool surfaces and perform a spot test before first use. Surfex-HD is suitable for a wide variety of automotive and household cleaning tasks when diluted correctly, but stronger dilutions should only be used where appropriate for the surface being cleaned.
PRO TIP: Keep multiple spray bottles labelled with your favourite Surfex-HD dilutions. A 2% mix is ideal for interior plastics, 5–10% is excellent for tyres and wheel arches, while stronger mixes can tackle engine bays and heavy grease, all from one incredibly versatile product.
Dilution calculator
Pick your container and your ratio, and read off how much concentrate to pour.
A foam cannon does not spray its bottle. It draws from the bottle into the pressure washer's flow, so a 1 L bottle can put 11 L on the car and the ratio in the bottle tells you nothing about what reaches the paint. Measure your setup once and the number holds for every product that quotes a PIR.
Nothing matches that. Check the product's own page for its ratio.
Common questions
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Parts water to one part product. A 10:1 mix is ten parts water and one part product, so a 1 L bottle takes 91 ml of product and 909 ml of water. A few brands print theirs the other way round, so check the label if a number looks unusually strong.
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Water first, then the concentrate. Pouring concentrate into an empty bottle and topping it up makes it foam over the top, and you lose some of what you just measured.
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Most diluted products keep for a few weeks in a sealed, labelled bottle out of sunlight. Write the product and the ratio on the bottle. An unlabelled trigger bottle is how the wrong chemical ends up on someone's interior.
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Panel Impact Ratio is the concentrate as a percentage of everything leaving a foam cannon, the bottle water and the pressure washer water together. It matters for snow foam and pre-wash only, because a cannon draws from its bottle into the washer's flow rather than spraying the bottle.
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A syringe or a measuring jug with millilitre graduations. Capfuls vary by bottle and by how full you fill them, and at 256:1 a few millilitres out is a noticeable change in strength.