Salt Cave Builder warns occupied salt rooms need code-compliant ventilation

Salt Cave Builder released new guidance urging salt-room operators, architects and contractors to keep required ventilation running during occupancy. The company says halogenerators do not replace outdoor air and that code violations can trigger daily fines in some states.

Why it matters: - Occupied salt rooms still have to meet ventilation requirements, even when a halogenerator is running. - Shutting off HVAC equipment to prolong salt aerosol suspension can conflict with building and mechanical codes and with approved project plans. - Ongoing violations can lead to fines, occupancy limits, correction orders and other enforcement actions.

What happened: - Salt Cave Builder issued new educational guidance for salt-room owners, developers, architects and contractors. - The guidance says required ventilation must remain operational whenever a salt room is occupied. - Dr. Margaret Smiechowski, founder of Salt Cave Builder, said an occupied salt cave cannot treat ventilation as optional because a machine manual recommends it. - Smiechowski said outdoor air, return or exhaust paths, room pressure, climate control and halogenerator output must be designed to work together for each room.

The details: - The International Mechanical Code is a model code used or adopted in 46 states, the District of Columbia and several U.S. territories, according to the International Code Council. - Local governments may adopt different editions and amendments, so each project has to be checked against the applicable rules. - Section 401.2 of the 2024 International Mechanical Code requires occupied spaces to be ventilated by approved natural or mechanical means. - Sections 403.2 and 403.3 require outdoor airflow calculations to account for occupancy, floor area, activity and air distribution. - Section 405.1 requires mechanical ventilation controls to keep the system operating whenever served spaces are occupied. - Section 405.1 also requires air-conditioning systems that provide the required ventilation to maintain the outdoor-air rate during occupancy. - A cooling unit can be switched off if another approved system continues to supply the required air and preserve the needed return or exhaust path. - Salt Cave Builder says a halogenerator is not a ventilation system. - The company says a halogenerator disperses dry salt particles, but its fan does not provide the outdoor air, return airflow, exhaust capacity or pressure control required in an occupied commercial room. - The guidance says no single airflow setting fits every salt cave. - Room dimensions, occupant load, session length, supply and return locations, exhaust, pressure, temperature, humidity, filtration, local climate and halogenerator output should all be evaluated together. - Project-specific decisions should be reviewed with licensed professionals and the local authority having jurisdiction. - The company provides more information about professional salt cave design at the company’s website.

Between the lines: - The guidance appears aimed at a gray area in the market: imported systems or manuals that prioritize salt suspension over code compliance. - Salt Cave Builder is drawing a sharp line between wellness equipment and building systems, which could push operators to document ventilation more carefully before opening or retrofitting a room. - The emphasis on local code adoption matters because ventilation rules can vary by jurisdiction and by the version of the code in force.

What's next: - Operators and project teams are likely to review HVAC and halogenerator designs room by room instead of relying on generic installation instructions. - Builders and owners may need sign-off from licensed professionals and local code officials before treating a salt room as ready for occupancy. - The company says enforcement outcomes depend on state law, local ordinances, adopted code editions, notice and case facts. - Salt Cave Builder says Massachusetts law allows fines of up to $1,000 per state building-code violation, with each day counted separately. - The company says New York law allows fines of up to $1,000 per day in circumstances covered by Executive Law Section 382. - The company says Florida law generally allows fines of up to $250 per day for a first violation and $500 per day for a repeat violation, with higher limits in some larger jurisdictions. - Other possible consequences include notices of violation, correction orders, permit problems, occupancy restrictions, liens and court-ordered abatement. - The release says the guidance is general educational information, not legal or engineering advice.

The bottom line: - Salt rooms are not exempt from ventilation rules, and halogenerators do not replace required outdoor air.