Cases & Media

See Sewinfla in Action

Six industries. Thousands of perfect paint jobs. See how the pros do it.

Pressure Vessels
90ft modular booth — rail-cart access

Marine & Yacht
56ft salt-air booth — 9 vessels in year one

Aircraft Painting
60ft general aviation booth — 22 aircraft in year one

Outdoor Mobile
Driveway, field & remote jobsite

Aircraft / Marine
Custom enclosures for aviation

DIY Garage
Home enthusiasts & weekend projects

Sewinfla booths are in service across auto body shops, marine yards, aviation operators, manufacturing and fleet maintenance facilities, and with individual professional and DIY users.

Company names and logos are the property of their respective owners, shown here to identify organizations that have purchased and use Sewinfla equipment.

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What the booths in these cases are measured against

Every booth in these case studies was sized against published rules rather than preference. Three federal requirements carry most of the weight: a minimum average air velocity across the booth cross-section, a complete enclosure for whole-vehicle refinishing, and a cap on how much flammable liquid a shop may store. Each is linked to its primary text below.

• OSHA 29 CFR 1910.107(b)(5)(i) — the airflow floor. Air velocity over the open face of the booth, or across the booth cross-section during spraying, must average not less than 100 linear feet per minute (60 ft/min for electrostatic spraying), and the booth must carry a visible gauge, an audible alarm or a pressure-activated device to show it is being held. It is a cross-section average, not a reading taken at the workpiece.
• 40 CFR 63.11173(e)(2) — the 98% filter requirement. Booth filters used for the target coatings must demonstrate at least 98% paint-overspray capture, by a procedure consistent with ANSI/ASHRAE 52.2-2017, and a booth used to refinish entire vehicles must be fully enclosed and operated under negative pressure. This is what a filter specification has to be written against.
• 40 CFR Part 63 Subpart HHHHHH — who it applies to. The rule covers area-source shops that refinish motor vehicles and mobile equipment. Surface coating performed by an individual on a personal vehicle or property, as a hobby or for maintenance, is exempt — a distinction worth knowing before you buy either way.
• OSHA 29 CFR 1910.106(d)(3)(i) — what a shop may store. A flammable-liquid storage cabinet is capped at 60 gallons of Category 1–3 liquids (120 gallons for Category 4), with a 30-day exemption for painting and maintenance quantities. This sets how much coating a shop may hold, not how large the booth is.
• OSHA 1910.107(b)(8) and (b)(9) — clearance. Three feet of separation from other operations, and three feet of clear space around the booth, are written into the standard. On a site that measurement, not the vehicle, is usually what decides the footprint.
• NIOSH isocyanate guidance — the painter. Two-part clears and polyurethane coatings are treated as respiratory sensitisers. Supplied-air protection is expected for spraying; the enclosure reduces exposure but is not a substitute for respiratory protection.

Sources checked 29 September 2026: OSHA 29 CFR 1910.107; OSHA 29 CFR 1910.106; eCFR 40 CFR 63.11173; eCFR 40 CFR Part 63 Subpart HHHHHH; EPA 6H surface coating rule page; ANSI/ASHRAE 52.2 filter-test procedure; NIOSH isocyanate guidance at cdc.gov/niosh.