M5 Concept's LLC Safe Rooms *&* Storm Shelters
M5 Concept's LLC Safe Rooms *&* Storm Shelters
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Construction & Specifications

Steel Structure

  • 1/4" A36 structural Steel Plate (walls, door roof and floor)
  • Fully welded interior and exterior seams
  • Reinforced structural door frame 
  • Engineered for above-ground Installation

Door & Hinges

  • four (4)  Heavy-duty industrial 8" Hinges 
  • 4 separate heavy-duty slide latches 
  • 1 single cylinder keyed deadbolt
  • 1 Impact-resistant Viewing window integrated into the door
  • 1  removable Vents in the door 
  • ADA compliant (36" Door opening)

Finish & Protective Coating

Standard Finish (Primer-Coated)


Most M5 Concepts shelters are delivered with a professional industrial primer coating.


• Steel surfaces cleaned and prepared prior to coating

• Welded seams inspected before finishing

• Coated with Sherwin-Williams Kem-400 Gray Primer

• Intended for indoor / garage installation environments


Provides corrosion protection during installation and normal enclosed service conditions.

Optional Upgrade – Enamel Topcoat Finish


Customers may upgrade to a finished enamel topcoat for enhanced durability and appearance.


• Top-coated with Sherwin-Williams Sher-Kem High Gloss Enamel

• Additional surface protection

• Smooth, professional appearance

• Improved cleanability and long-term finish durability


Available in standard gray or approved colors upon request.

Heavy-duty Steel Storm SheltersManufactured in Oklahoma

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M5 Concept's LLc

120 McVey Rd

3612183345

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