Updated August 2026 · Reviewed by Korey Paar, Fast Filing Group LLC
The RRP Rule prohibits three categories of method outright on regulated renovations: open-flame burning or torching of painted surfaces, using a heat gun at temperatures at or above 1100 degrees Fahrenheit, and machine sanding, grinding, planing, needle gunning, or abrasive blasting without HEPA exhaust control. These are not discouraged practices or judgment calls. They are banned regardless of how careful the operator is, because each one aerosolizes lead in quantities that containment cannot reliably control.
The common thread is dust and fume generation. Everything else in the rule is about containing lead where it lands; these methods are prohibited because they put lead somewhere containment cannot follow, including into the lungs of the person holding the tool.
Under 40 CFR 745.85, these methods may not be used on regulated renovations covered by the rule.
There is no compliant way to perform them - no containment configuration, no respirator, no experience level that makes them permissible on a covered job.
Every prohibited method has a compliant substitute, and in most cases the substitute is slower rather than more expensive. That time difference is where the temptation lives.
The economics are not close once you account for the downside. A single enforcement action costs far more than the labor hours saved by torching a window frame, and that is before considering the exposure to your own crew.
The prohibited-practice list is exactly the sort of knowledge the accredited renovator course exists to install. A crew member who has not taken the training has no reliable way to know that a heat gun is fine at one setting and prohibited at another, or that a sander becomes compliant with an attachment.
This is the practical argument for why the certified renovator credential and the firm certification are two different things and why you need both. The firm credential makes it legal for your company to take the work. The renovator credential is the person on site who knows that torching the window frame ends the job and possibly the company.
Prohibited-practice violations are among the easier ones for an inspector to establish, because the methods leave evidence. Scorch marks, fume staining, and the dust distribution pattern from uncontrolled sanding all persist after the crew leaves.
Neighbors and occupants also report these methods, and open-flame work on a residential exterior is visible from the street. See our guide to RRP rule fines and penalties for what enforcement actually costs.
Because prohibited practices are about what you did not do, the record that protects you is the record of what you did instead. A job file showing wet scraping, HEPA-equipped tools, and a documented cleaning verification is affirmative evidence of compliant method selection.
Photograph the tools and setup as used. It takes seconds and produces the only contemporaneous evidence that will exist. Our guide to RRP recordkeeping requirements covers what else belongs in that file and how long it has to survive.
Not outright. Operating a heat gun at or above 1100 degrees Fahrenheit is prohibited. Below that threshold, a heat gun can be used as part of a compliant approach alongside wet methods and proper debris capture.
Only with HEPA exhaust control attached to the tool. Machine sanding, grinding, planing, needle gunning, and abrasive blasting without that control are prohibited, because the dust they generate cannot be reliably contained.
The prohibited-practice list applies to regulated renovations covered by the rule. If a job falls under the rule at all, these methods are off the table regardless of the size of the area. Whether a particular job is covered is a separate question - see our guide on RRP rule exemptions.
A homeowner cannot authorize a certified firm to use a prohibited method, and their request is not a defense in an enforcement action. The obligation attaches to your firm's credential, not to the customer's preferences.
Ready to file? Select your state and start your certification →
See cost by state · file it yourself? · glossary
We prepare and file your EPA or state Lead-Safe firm certification. No SSN, certificate in about one to two weeks.
Start Your Filing