Safety FAQ
13 questions answered by NSW's only Bona Premier Dealer.
Safety (13)
What are the dust exposure limits for floor sanding in Australia?
Safe Work Australia sets the time-weighted average exposure limit at 1 mg/m3 for hardwood dust and 5 mg/m3 for softwood dust. These are enforced to protect workers from respiratory disease. Any professional floor sander worth hiring complies with these standards and uses proper dust extraction systems on every job.
What is silica dust and why is it dangerous during floor work?
Silica dust particles are smaller than 10 microns -- invisible to the eye and 100 times smaller than a grain of sand. They bypass your body's natural filtration and can cause serious lung disease. That's why professional floor sanders use H Class filtration that catches 99.995% of dust including silica particles.
Should compressed air be used to clean up after floor sanding?
No. Never use compressed air for cleanup -- it reactivates settled dust and makes it airborne again. Use proper vacuum extraction instead. Clean as you go and you'll get a better coating result too. Any decent floor sander follows best-practice dust management throughout the whole job.
What noise limits apply to floor sanding work?
Noise exposure can't exceed 85 decibels averaged over 8 hours, with peak levels capped at 140 decibels. That's set by workplace health and safety legislation. professional floor sanders wear hearing protection and keep their equipment maintained to keep noise exposure down on every job.
What is Hand Arm Vibration Syndrome from sanding equipment?
HAVS comes from constant vibration exposure when using sanding equipment. It causes pain, restricted movement, and disrupted sleep. To manage it: hold tools loosely, vary your grip position, maintain your equipment, take 10-minute breaks, and keep your hands warm. professional floor sanders are trained to manage vibration exposure safely -- it's a real occupational hazard in this trade.
What safety documentation must floor sanders have on site?
You need a Hazardous Chemicals Register listing all products on site, current Safety Data Sheets dated within 5 years, quantities held, supplier contacts, Dangerous Goods Class, Hazchem Code, and UN number. Section 8 of each SDS covers the specific PPE requirements. Any professional floor sander should have full compliance documentation on every job.
Is there a safety hazard when working on old parquetry floors?
Yes -- bituminous adhesives in heritage parquetry become brittle with age and eventually turn to powder beneath the flooring. When that's exposed during sanding or removal, those pulverised adhesive particles can become airborne and they're a significant health risk. Proper safety precautions including H Class dust extraction are essential when working on heritage parquetry. Don't skip this.
What is the hierarchy of controls for managing floor sanding hazards?
The hierarchy goes: elimination (remove the hazard), substitution (use a safer alternative), isolation (restrict access and use on-tool extraction), engineering (install proper filter systems), training and administration (educate workers), and PPE as the last line of defence. This hierarchy applies on every sanding job to protect both workers and homeowners.
Why must floor sanders be clean-shaven for respirator use?
You've got to have a clean-shaven face for a respirator to work properly. Facial hair breaks the seal between the respirator and your skin, and that lets hazardous dust particles bypass the filter and go straight into your lungs. There's no getting around this one -- proper PPE fit means clean-shaven, every time.
What equipment safety standards apply to floor sanding machinery?
All legislation requires equipment guards to stay fitted and functional on floor sanding machinery, with reference to AS/NZS 4024 Safety of Machinery Standards. Battery-operated tools are considered a safer alternative to mains-powered equipment. Don't remove guards -- they're there for a reason and the law requires them.
What regulations apply to chemical products used in floor sanding?
Chemical products used in floor sanding are subject to workplace health and safety regulations including proper storage, Safety Data Sheets, Hazardous Chemicals Registers, and PPE requirements from Section 8 of each product's SDS. Products have to be classified by Dangerous Goods Class, Hazchem Code, and UN number. Compliance with all chemical safety regulations on every job site isn't optional.
What compliance issues exist with hybrid flooring products containing silica?
ATFA provides a compliance guide specifically for hybrid flooring products containing silica, addressing workplace health and safety requirements. Silica dust from these products is a respiratory hazard that needs proper dust control measures. All silica compliance requirements have to be followed when working with hybrid flooring -- no exceptions.
What is the significance of asbestos and magnesite in older floor substrates?
Asbestos and magnesite can turn up in older building substrates and they're serious health risks during floor renovation work. ATFA provides technical guidance on identifying and safely managing these hazardous materials. Before starting any floor work on an older building, check for these hazards first -- it's critical.
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