Natural SHEVS

OTK systém s.r.o. proposes, designs and supplies equipment for smoke and heat extraction and ventilation system, also known by the acronym SHEVS. We produce and supply spot roof skylight flaps, continuous roof skylight flaps, smoke curtains and other parts for the complete system of natural smoke-heat-exhaust-ventilation.

Natural SHEVS

  • SHEVS flaps SPOTSMOKE – wing flaps
  • SHEVS flaps – louvered
  • SHEVS flaps for windows hinged in the facade
  • other components for a complete system SHEVS, windows and mechanisms for supply air
  • smoke fiberglass curtains
  • design, technical design SHEVS
  • implementation of SHEVS, professional installation, operator training
  • inspection and servicing of SHEVS, regular inspections of operation of systems SHEVS

roof skylight with SHEVS flaps

SHEVS - window

SHEVS flap


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Contact Us

Are you interested in our services? Do not hesitate to contact us! The questions sent via e-mail answer up to 24 hours.

+420 601 521 526
+420 601 521 527