DERFLEX portable ventilation duct for jobsite blowers, confined-space air supply and temporary exhaust. Custom diameter, length, cuffs, reinforcement and OEM options.

DERFLEX tunnel ventilation ducting for positive-pressure supply, exhaust and low-headroom routes. Custom PVC tunnel air duct sizes, couplings and safety options.

DERFLEX supplies custom railcar tarp and heavy duty waterproof PVC railcar covers for freight, lumber, industrial cargo and bulk B2B programs.

DERFLEX supplies custom high temperature flexible ducting for hot air, fumes and industrial exhaust, with silicone fiberglass and project-matched constructions.

Source TPU coating material as coated or laminated textile roll goods for waterproof, airtight and weldable products. Custom nylon/polyester structures from DERFLEX.

DERFLEX supplies custom TPU waterproof fabric in nylon and polyester constructions for dry bags, inflatables, marine safety, medical air systems, bladders and OEM waterproof products. Weldable roll goods with custom weight, width, color and TPU structure.