Overview
The silicone gasket 5-3/4x128x56 is a precision-molded door seal for access doors and equipment enclosures. Constructed from resilient silicone rubber, this B/H (bridge/hinge) style gasket creates a superior barrier against dust, moisture, and environmental contaminants. With dimensions of 5-3/4 inches × 128 inches × 56 inches, it provides comprehensive sealing coverage for large access door assemblies in industrial, commercial, and institutional settings.
Key Features
- Durable silicone rubber construction resists ozone, weathering, and thermal degradation
- B/H (bridge/hinge) seal design fits standard access door frames
- Comprehensive dimensions accommodate large-format access doors
- Creates tight, reliable seal against drafts, dust, and moisture infiltration
- New, unboxed condition—ready for immediate installation
- In-stock availability with same-day shipping option
Technical Specifications
Standard dimensional and material specifications for this gasket:
| Dimension: Width | 5-3/4 inches |
| Dimension: Length | 128 inches |
| Dimension: Height/Depth | 56 inches |
| Material | Silicone Rubber |
| Seal Type | B/H (Bridge/Hinge) |
| Color | Black (standard) |
| Condition | New – No Box |
| Temperature Range | -65°F to 500°F (typical silicone) |
| Application | Access Doors, Equipment Enclosures, Industrial Doors |
Typical Applications
The silicone gasket 5-3/4x128x56 is widely used in:
- Large access door assemblies in HVAC equipment and ductwork
- Inspection and service doors on industrial machinery
- Equipment enclosure sealing in data centers and control rooms
- Fire-rated door assemblies where smoke and draft control are required
- Weatherproofing on outdoor equipment cabinets and utility enclosures
- Marine and corrosive-environment applications where chemical resistance is essential
Compatibility & Replacements
Compatible With
- Standard rectangular and square access door frames (5-3/4″ width)
- Bridge-mounted and hinge-mounted door seal applications
- Industrial equipment enclosures and HVAC assemblies
- Fire-rated door assemblies meeting smoke/draft control standards
- Custom and standard-dimension door frame systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or door manufacturer before ordering. The 5-3/4x128x56 dimensions are specific to particular door frame designs; cross-reference with your original equipment documentation or contact our sales team for compatibility confirmation.
Works With
- Mechanical fasteners and frame adhesives for mounting
- Standard gasket installation tools and techniques
- Field-cut or custom-trimmed installations where required
- Silicone-compatible sealants and cleaners
