Home repair safety basics
Most DIY injuries come from a few predictable mistakes. These habits take seconds and keep a small repair from becoming a trip to urgent care.
Every repair guide on FixItCity starts with safety, and for good reason. The same few mistakes cause most home-repair injuries: working on live wires, falling off ladders, getting debris in your eyes, and breathing dust you shouldn't. None of them take long to avoid.
Read this once, keep the gear in your toolkit, and make these habits automatic.
Protect your eyes and ears
Wear safety glasses for any job that cuts, drills, hammers, scrapes or sprays, and when working overhead or under a sink where things drip and fall. Look for glasses marked Z87, which means they meet the impact standard for safety eyewear. Regular glasses aren't a substitute.
Use ear plugs or earmuffs with loud tools such as saws, shop vacuums and hammer drills. Loud noise from power tools can permanently damage your hearing, according to the National Institutes of Health.
Use ladders the safe way
Falls from ladders are one of the most serious home-repair risks. OSHA and the Consumer Product Safety Commission (CPSC) give the same core rules:
- Three points of contact. Keep two hands and a foot, or two feet and a hand, on the ladder while you climb. Face the ladder and keep your body centered between the rails.
- The 4-to-1 rule. For an extension ladder, set the base 1 foot out for every 4 feet of height to the top support, about a 75-degree angle.
- Extend it 3 feet. When climbing onto a roof or platform, the ladder should reach at least 3 feet above the edge.
- Stay off the top. Don't stand on the top three rungs of an extension ladder, or the top step or pail shelf of a stepladder.
- Check the rating. Don't exceed the ladder's weight rating, counting you plus tools and materials. One person at a time.
- Firm, level footing. Set it on solid ground, make sure locks are fully engaged, and don't set up in front of a door unless it's locked or guarded.
- Mind the wires. Use a wooden or fiberglass ladder near electrical lines, and keep any ladder well clear of power lines.
For steep roofs or anything high, call a pro. Our gutter cleaning guide covers when a ladder job is reasonable.
Turn it off and prove it's off
Professionals call this lockout. At home it means two simple habits.
- Power: breaker off, then test. Turn off the breaker for the circuit, then confirm power is off at the device with a non-contact voltage tester. Check the tester on a known live outlet first so you know it works. Tape a note on the panel so nobody flips it back on. See how to read your breaker panel.
- Water: valve off, then open a tap. Close the fixture valve or the main shutoff, then open a faucet to drain pressure and confirm the water has stopped. See how to find your water shutoff.
Lead paint in homes built before 1978
Homes built before 1978 may have lead-based paint, often hidden under newer coats. Sanding, scraping or cutting through it creates lead dust. EPA calls lead especially dangerous to children under six, and pregnant women are at risk too because lead can pass to the baby.
- If you hire someone to work on painted surfaces in a pre-1978 home, federal EPA rules require a lead-safe certified renovation firm.
- If you do it yourself, assume lead is present unless a test says otherwise. Don't dry sand or dry scrape. Mist surfaces with water first, contain dust with plastic sheeting, and clean up with a HEPA vacuum and wet wiping. EPA-recognized test kits are sold at hardware stores.
- Keep children and pregnant family members away from the work area until it's cleaned up.
Asbestos: leave it alone until it's tested
Asbestos was used in many older building materials, including some vinyl floor tiles and their adhesives, pipe and furnace insulation, sprayed or textured ceilings, joint compound and cement siding. According to EPA, CPSC and the American Lung Association, you can't tell whether a material contains asbestos by looking at it.
Material in good shape that won't be disturbed is generally best left alone. Don't sand, scrape, saw or drill it, and don't sweep or vacuum suspect debris. Treat doubtful material as if it contains asbestos, and have a trained professional sample it before any remodeling.
Dust masks vs. respirators
| Dust mask | N95 respirator | |
|---|---|---|
| How to spot it | One strap, no NIOSH label | Two straps, NIOSH approval printed on it |
| Good for | Nuisance dust like sweeping or light gardening | Fine dust from sanding, cutting and dusty cleanup |
| Not enough for | Hazardous dust, fumes or vapors | Gases and vapors (N95s filter particles only) |
A respirator only works with a tight seal around your face. Follow the fit instructions on the package every time you put one on.
When to call a pro
Stop and hire help for work on steep or high roofs, anything inside the electrical panel, gas, suspected asbestos, and large lead paint jobs. If you're unsure, our DIY or call a pro guide walks you through the decision. A handyman is a good fit for small jobs you'd rather not do from a ladder.
Common questions
Is a dust mask the same as an N95?
No. A basic one-strap dust mask is only for nuisance dust and isn't NIOSH-approved. An N95 respirator has two straps and a NIOSH approval label, and it filters fine particles much better.
How do I know if my house has lead paint?
Homes built before 1978 may have lead-based paint. If you haven't tested, assume it's there. You can use an EPA-recognized test kit or hire a certified lead inspector.
What is the 4-to-1 rule for ladders?
For every 4 feet of height up to where the ladder rests, set its base 1 foot out from the wall. That gives an angle of about 75 degrees.
Can I remove old flooring or popcorn ceiling myself?
Not without knowing what's in it. Older floor tiles, textured ceilings and joint compounds can contain asbestos, which you can't identify by sight. Leave it undisturbed and have it tested by a trained professional first.