"Always Protecting™"


Customized Fireproof Splice Junction Boxes

Customized boxes, cabinets, containers and assemblies for protection inside and out from fire, explosion, heat and offering containment with access and function in the design. Doors, handles, hinges, locks and any size with or with out openings, brackets, fasteners or other specific customization you need to meet your requirements – you tell us what you need and we provide the rated solutions for your to consider. Any and all types of assemblies available for all types of applications of protection.

CRITICAL COMPONENT PROTECTION designed and fabricated to your specifications and performance requirements. Protect controls, components and critical infrastructure where you need it. Unlimited designs and solutions providing safety, security and resilience.

fireproof splice junction boxes from sinisi solutions
Fire Barrier Sinisi Photos 2 (4)


  • Protection to critical equipment, controls and infrastructure
  • Excellent for use in hazardous environments or to protect from explosion, IED, fire and view
  • Customization includes access doors, knock out openings, slots, vents, fasteners, brackets - any and all sizes - stand alone or to add to your design
  • Provides excellent, verifiable protection for gas systems - inside and out!
  • 2,3 or 4 hour designs
  • Turn key solutions including fabrication and all test and certifications

Protection From

Fire - Blast - Ballistics - Heat - Wind - Environment



Provides Compliance And Approvals


Adds Protection, Security & Safety To Your Critical Infrastructure