While encapsulating lead paint with a protective coating is the safest abatement method during the project, it doesn’t eliminate the risk of lead exposure for you and your family down the line.
It’s best to have a professional remove lead paint completely to eliminate future health risks. However, if you’re considering encapsulation, here’s when you can do it, the pros, and the cons.
When Can You Paint Over Lead Paint?
| Paint over if: | Don’t paint over if: |
| It’s legal to paint over lead in your area without special training | It’s illegal to paint over lead in your area without special training |
| The lead paint is in good condition | The lead paint is damaged, peeling, or flaking |
| All workers are wearing proper protective clothing | You want a method that will fully mitigate potential health risks |
| You encapsulate the lead paint with a special coating that will seal it and won’t cause it to break down or change | You don’t use the right type of paint |
| You’re sure there’s no risk of the lead paint flaking or releasing dust (e.g., there are no renovation plans, friction, or humid conditions) | There are any plans for renovation, which would mean that lead dust particles will enter the air or that the paint will flake off |
| You let the next homeowners know that there’s lead-based paint in the home (if you sell your home) | The surface experiences friction or impact (like windows, doors, and floors), is prone to moisture or high humidity, or there’s another damage hazard |
| You’re prepared to monitor the covered lead-based paint and safely remove it later if your circumstances change | You want a method that will fully mitigate potential health risks |
| You want to DIY |
Pros of Painting Over Lead Paint
Painting over lead paint with an encapsulant is the only solution you can safely DIY. Anthony Williams of Pillar Management Group in Miami, FL, warns, “Don’t sand or scrape it dry. That spreads toxic dust.”
Craig Lloyd of Lloyd Handyman in Atascadero, CA, recommends painting over lead as a solution for households. He stresses that it’s the safest method for those on the job, because they won’t disturb the lead and thus come across dangerous lead particles in the process.
I also spoke to Philip, a former construction, painting, and finishing contractor of 14 years, who worked in Richmond and Nottoway, VA. Since he’s no longer in the industry, he chose not to share his full name, but he was still kind enough to share some of his wisdom with me.
“Encapsulating paint is definitely a safer method for the workers themselves as long as there aren’t already airborne particles,” Philip says. “It doesn’t require the disturbance of the lead-containing paint, but, like any specialty product, it has its cons as well.”
The Environmental Protection Agency (EPA) only recommends flexible, strong, and flame-resistant encapsulants that are non-toxic; normal paint isn’t suitable. Encapsulants must fully and tightly cover the entire lead surface. You shouldn’t be able to damage the painted surface with impact. Even then, this method isn’t perfect, which brings me to talk about the cons.
Cons of Painting Over Lead Paint
It may not be legal in your area: Philip warns that some parts of the US require you to be certified to paint over lead, even in the case of DIY jobs. For example, in some states, like Delaware, you need to be certified in order to paint over lead paint. Check your local laws.
Surface decay potential: “From what I understand, encapsulant was originally created for metal surfaces and hasn’t changed all too much over the years,” Philip continues. “It still has the property of forming a vapor barrier, which can lead to trapping moisture and leading to mold and mildew.” This can deteriorate the underlying surface, making lead contamination a bigger risk down the line.
Limited home renovation options: Since you can’t disturb the lead paint, you’re restricted from making certain changes to your home.
Future events may lead to contamination: Weather conditions or unexpected damage can compromise the painted surface. Since some of these factors are beyond your control, you must be prepared to address potential lead exposure if the encapsulation fails.
What it comes down to is that, unless you remove the lead paint, you’ll always have to monitor the coated surface. If the lead paint ever becomes exposed again, it will be dangerous.
If it flakes or releases dust, it becomes a hazard: “’When a client says, ‘That paint’s just peeling a little,’ I remind them lead poisoning doesn’t do ‘just a little,’” Williams notes. “Old lead paint is no joke.”
“Lead paint becomes a problem when it flakes off or you sand it down to remove it, thereby turning it into a fine dust that can be inhaled,” says Lloyd.
“Sometimes you can’t just paint over it and have no choice but to remove the lead-based paint, in which case it’s time to bring in the professionals who will use air scrubbers and wear hazmat suits while removing the paint,” he continues.
Philip mentions that, according to the WHO, there’s no safe amount of lead exposure, and you can’t clear your body of it later. Severe health issues may arise if you breathe in or ingest lead, and children, nursing and pregnant mothers, and other vulnerable groups are most at risk.
Don’t encapsulate lead paint in high-traffic or moist areas even if it’s not peeling yet, because there’s a high chance that it eventually will.
Negative impact on your home’s value: Since lead poses such serious health risks, it’s your responsibility to ensure that no one gets affected by it.
By law, you’re usually required to disclose the presence of lead paint during real estate transactions, which may affect your home’s market value. If you rent your property, you must also inform tenants about any lead hazards.
Ohio’s law mandates that landlords have to remove lead paint for their tenants if they have small children. Again, check your local laws.
Painting over lead is a careful process: Although it’s the safest abatement method for the workers, it still requires safety steps, such as picking the correct encapsulant, wearing the proper PPE, and doing thorough prep.
Read more: How to Paint Over Lead Paint
Overall, lead removal is safer down the line, but don’t attempt it yourself: “Encapsulation is one option, but full removal is safest if it’s chipping or in high-contact areas,” Williams says.
“I would definitely recommend full removal compared to encapsulation when practical,” Philip adds. “Not because encapsulation doesn’t work, but because removal is a permanent solution rather than a temporary one that needs reapplication over time.”
Philip calls encapsulation ”more of a band-aid fix rather than resolving the issue completely.” That said, he advises against attempting removal yourself. “Even when I was working with larger companies, we always hired out removal remediation work to specialists because of the risks involved.”
Similarly, Williams advises you to use a lead-safe certified contractor to deal with your lead paint. “I got my cert back in the day—it’s like OSHA’s edgy cousin,” he adds.
The Verdict
Not sure if you’re dealing with lead paint? Test it. “If you’re working in a home built before 1978, assume it’s lurking unless tested,” Williams advises.
You can paint over lead paint, but it isn’t the best long-term solution. While it’s one of the safest lead abatement methods during the project, the underlying paint can eventually become exposed again, putting you and your family at risk of lead contamination.
To fully eliminate the risks of lead from your home, remove all lead paint with the help of a professional.
FAQ
Not per se. Lead paint becomes unsafe when it’s peeling, flaking, or released into the air. Painting over it with an encapsulant (not normal paint) should seal the paint and keep it intact. However, if you ever disturb the surface, the risk of contamination will be even greater.
Yes, you can paint over encapsulants once they’re truly dry. Choose a quality latex or oil-based paint.
If the lead paint is intact, and you meet all the other aforementioned criteria above, you can paint over lead paint yourself. However, hiring a pro when dealing with hazardous materials like lead is always the safest approach.
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Main Image: A man with a quizzical expression and a paintbrush, symbolizing the question of whether it is safe to paint over old paint. Photo Credit: producer / Adobe Stock
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