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Quality Performance Table

 
 

quality performance table

ULTRAFLO SAND: CEMENT SCREED
PRODUCTIVITY- 2000 sq metres per day- 200 sq metres per day
HOW QUICKLY CAN I WALK ON THE FLOOR- After 24hrs
- No curing required
- Shouldn’t be walked on for 7 days
- Should be covered and cured
MOVEMENT JOINTS- Up to 2000 sq metres within 1:6 aspect ratio- Max 40 sq metres or every 6 linear metres
PERFORMANCE- Very low shrinkage
- Minimal Cracking
- Will not curl
- Shrinks
- Cracks
- Curls
SURFACE FINISH- SR2 under BS8204 easily achieved- Depends on contractor
- Curls and cracks at joints
LAYING DEPTHS- Floating on insulation: 40mm min- Floating on insulation: 75mm min
AVERAGE DRYING TIMES- 1mm per day up to 40mm
- Can be force dried after 7 days
- 7 months @ 100mm thickness
- Cannot be forced dried
TYPICAL UNDER FLOOR HEATING RESPONSE TIME- Within 2 hours, laid at 50mm depth- Typically next day, laid at 100mm depth
QUALITY CONTROL- Factory produced compliant to BS EN 13813- Often site mixed with no quality control

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