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17-05-2012

Polished Concrete Floor Maintenance

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1. Densified polished concrete floors

A properly densified floor is the cheapest type of flooring to maintain. A densified floor is chemically modified – there are no sealers on top of the surface.

2. Polished concrete floor with surface sealers

There are a range of surface sealers of differing quality, gloss and hardness starting at the lower end with wax type sealers, then moving up to polymer sealers and two-pack epoxy finishes. Sealers for concrete have to be permeable as concrete needs to breathe. Quality polymer surface sealers provide the best combination of longevity, appearance and ease of maintenance in the area of surface sealers.

3. Polished concrete floors with impregnated sealers

The best “green” impregnated sealers will have some densification properties which will slightly harden the surface. They have no odour and can be used internally and externally. Some are even stain-proof rather than just water repellent, have a natural look and do not cause yellowing on the sealed surface. Water based impregnated sealers are safer to use as opposed to solvent or other toxic impregnated sealers.

1. Maintenance for densified polished concrete floors

Spills: Remove spills when they happen as they are a slip hazard and can stain a floor if left too long.
General Cleaning: Use a broom, or a dust-mop or a walk-behind-scrubber.
Maintenance Cleaning: This is performed where there is high traffic and a higher standard of cleaning is required.

  • Note: Do not use ammonia, citrus or acid based products on densified floors
  • Heavily soiled areas should be spot cleaned using a neutral PH degreaser cleaner
  • Dust-mop floor daily
  • Make sure entry mats are cleaned weekly as loaded mats will not prevent dirt entering
  • Use a clean mop and a clean bucket with a neutral PH detergent  to mop weekly or use a walk-behind-scrubber and a neutral detergent or ionising water system
  • Make sure the brush is not worn past the two thirds mark
  • Burnish the floor monthly with a propane burnisher and ultra high speed pad. This will bring up the gloss of the densifier.

Note: Some lower grade densifiers sit on the surface and do not react with concrete resulting in a film on the surface which walks off over time. Quality densifiers need only be re-densified every 20 years.

2. Maintenance for internal polished concrete floors  with surface sealers

Note: Do not clean with ammonia, citrus or acid based products.

Daily

  1. Dust-mop floor a minimum of once a day to remove abrasive dirt particles, dust, and debris from the floor.

Weekly

  1. Clean by thoroughly scrubbing with a neutral ph detergent using a red pad or soft nylon brush.
  2. Vacuum entryway mats daily.

Burnishing: Frequency of burnishing is dependent on many factors. A facility should be segmented into high, medium and low traffic areas, and burnish frequency determined accordingly. A Green Cleaning Program requires equipment be equipped with a dust control apparatus.

Restoring is an optional process that can enhance gloss and fill in scratches and scuffs. Spray buff with a quality spray buff solution that removes scratches and rejuvenates the floor.
Entryway Matting: If entryway mats become heavily soiled, wash, extract or use other appropriate cleaning methods as required.

High Traffic areas (every 6-8 weeks)

  1. Deep scrub with a red or blue floor pad using a neutral pH detergent
  2. Rinse floor after scrubbing
  3. Spray buff with a quality spray buff solution that removes scratches and rejuvenates the floor
  4. Recoat high traffic areas.

Low/Medium Traffic Areas (every 8-12 weeks)

  1. Deep scrub and rinseas described above
  2. Spray buff with a quality spray buff solution that removes scratches and rejuvenates the floor
  3. Recoat with one to two coats of finish.

Low traffic areas may only need re-coating 1-2 times annually depending on traffic levels.

3. Maintenance for polished concrete floors with impregnated sealers

  • Note: Never pressure wash a concrete floor as this will result in the surface and sealer being damaged.
  • Note: Do not use ammonia, citrus or acid based products.
  • Use a clean mop and a clean bucket with a neutral pH detergent  to mop weekly.
  • Alternatively, use a walk-behind-scrubber and a neutral detergent or ionising water system
  • Make sure the brush is not worn past the two thirds mark.
  • A quality impregnated sealer will need recoating every 3 to 5 years depending on the traffic and application.
Last modified on Wednesday, 06 June 2012 21:49

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