
The rig
A trailer or box truck built around a heated plural-component proportioner, generator, air compressor, heated hose and spray gun — specced for what you plan to spray.
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Powered by ArmorThane
Custom spray rigs, ArmorFoam material and hands-on training that ends in certification — from a manufacturer that has equipped independent applicators since 1989. No franchise fee. No royalty.
The opportunity
Spray foam is not one job — it is a dozen. Most new applicators start with one market and add others as the rig pays for itself.
Attics, crawl spaces, rim joists and basements — the highest-payback upgrades in an existing home.
Builders and remodelers sub out wall and roof-deck foam on every house they frame.
Shops, pole barns, livestock and storage buildings fighting condensation and temperature swings.
SPF roof systems sprayed over existing roofs, then recoated — repeat work by design.
Polyurethane slab raising for driveways, walks and floors with a small, mobile setup.
Spec the rig right and the same platform sprays protective polyurea — bedliners, floors, tanks.
What you get

A trailer or box truck built around a heated plural-component proportioner, generator, air compressor, heated hose and spray gun — specced for what you plan to spray.
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ArmorFoam open-cell (0.5 lb) and closed-cell (2 lb), plus roofing, high-density and lifting foams — and the polyurea topcoats that protect exposed foam.
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Hands-on training, on-site or virtual, covering safety, rig setup, mixing, application and troubleshooting — ending in certification.
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A 24/7 technical line for the jobs that do not go by the book, from people who formulate the material you are spraying.
Learn moreThe path
Your market, budget, timeline and whether you want foam, polyurea or both.
Trailer or truck, proportioner size, generator and hose length matched to the work.
Safety first, then hands-on time on the rig until spraying is second nature.
Material on hand, a tech line behind you, and a playbook for landing the first jobs.
Job estimator
Spray foam is bought and sold by the board foot — one square foot, one inch thick. Size a job and see roughly how many ArmorFoam sets it takes.
Set yields use ArmorFoam's published coverage at perfect yield — about 5,000 board feet per set of 2 lb closed-cell and about 17,000 for 0.5 lb open-cell. Temperature, substrate, rig setup and technique all pull real-world yield lower.
Startup FAQ
Want the long version? Read how to start a spray foam business
It depends almost entirely on the rig: a trailer versus a box truck, the proportioner size, generator and how much hose you need. ArmorThane quotes rig and startup packages around what you plan to spray and your budget, so the fastest way to a real number is a short conversation.
No. You own your business and your customers. You buy equipment and material; there is no franchise fee and no ongoing royalty.
Requirements vary by state and city. Many jurisdictions require a contractor license, and OSHA requires respirator medical evaluation, fit testing and hazard training before anyone sprays. Industry certification such as the SPFA Professional Certification Program builds with experience. ArmorThane training ends in certification and covers the safety basics.
Yes, if it is specced for it. Polyurea and spray foam both run through heated plural-component proportioners, so a rig can be set up to handle both and give you two lines of work.
Plenty of successful applicators started from zero. Training covers safety, chemistry, rig operation and application technique, and the tech line is there when a job throws you a curveball.
Startup details
Tell us where you are and what you want to spray. The ArmorThane team will follow up with equipment options, training dates and next steps.
(417) 831-5090