MATERIALS, ACOUSTICS & SURFACE FINISHES

Commercial Seating Finishes & Upholstery Materials

Engineered materials curated for acoustic performance, commercial fire safety (BS 5852 Crib 5 / EN 1021), high abrasion resistance, and architectural elegance.

100k+ Cycles
Abrasion Rating
Crib 5 / EN 1021
Fire Safety
55-60 kg/m³
Foam Density
SHEF Commercial Seating Precision Foam & Upholstery Tailoring
PREMIUM MATERIAL SPECIFICATIONS

Engineered for Acoustics, Ergonomics & Durability

Every layer of a SHEF chair is specified to withstand the harsh demands of 24/7 public use while maintaining acoustic equilibrium in performance halls.

Acoustic Commercial Fabric

EN 1021-1/2, BS 5852 Crib 5, 100,000+ Martindale

Engineered acoustic textiles featuring open-weave backing to allow sound absorption into the internal foam core, preventing echo flutter in reverberant halls.

Composition: 100% Recycled Trevira CS / Solution-Dyed Polyester
Standard Palette: Crimson Red, Midnight Navy, Charcoal Grey, Forest Green, Camel

High-Performance Contract Vinyl

ASTM G21 Anti-Microbial, Stain Resistant, 200,000+ Double Rubs

Hospital-grade, bleach-cleanable synthetic leather engineered for high-traffic healthcare venues, stadium VIP lounges, and university lecture halls.

Composition: Polyurethane / Vinyl with Antimicrobial Topcoat
Standard Palette: Onyx Black, Cognac Brown, Slate Grey, Ivory White

Semi-Aniline Top-Grain Leather

Automotive Grade, UV & Sweat Resistant

Supple, breathable natural bovine leather with light protective pigmentation for luxury private screening suites and high-end executive boardrooms.

Composition: 1.1 - 1.3 mm Genuine European Bovine Leather
Standard Palette: Espresso, Tan, Deep Saddle, Black

Cold-Cured Molded PU Foam

55 - 60 kg/m³ Density, ASTM D3574-03

High-resilience (HR) anatomical cold-molded polyurethane foam with embedded structural steel skeleton, ensuring permanent shape retention over 10+ years.

Composition: MDI Cold-Cure Polyurethane
Standard Palette: Ergonomically contoured lumbar & thigh contours

Architectural Wood Shells & Armrests

FSC-Certified, Class 1 Fire Retardant Polyurethane Lacquer

Curved multi-ply beech and birch plywood outer shells finished in warm natural wood veneers, providing acoustic reflection and aesthetic warmth.

Composition: Beech, Walnut, Natural Oak, Teak Veneer
Standard Palette: Natural Beech, Walnut Stain, Smoked Oak, Wenge

Electrostatic Powder Coating

Qualicoat Class 1, 1000+ Hour ASTM B117 Salt Spray

Thermosetting architectural epoxy-polyester hybrid powder coat cured at 200°C for lifetime resistance to impact, scratches, and cleaning chemicals.

Composition: 60 - 80 µm Dry Film Thickness (DFT)
Standard Palette: Matte Black (RAL 9005), Anthracite Grey (RAL 7016), Silver Metallic
COMPLIANCE & TESTING

Fire Safety, Acoustics & Wear Certifications

Test StandardTesting Protocol & ScopeSHEF Benchmark Performance
BS 5852 Crib 5Flame retardancy for commercial upholstery fabricsPass (Zero flame spread)
EN 1021-1 & EN 1021-2Cigarette and match ignition resistancePass (European Standard)
CAL 133 / TB 117-2013Full-scale composite seating flammability testingPass (US Commercial Standard)
ISO 354:2003Acoustic sound absorption coefficient (NRC)NRC 0.65 - 0.85
ISO 12947-2 (Martindale)Abrasion resistance and wear endurance100,000+ Cycles
MATERIAL SAMPLING FOR SPECIFIERS

Request physical upholstery swatches and finish binders for your project.

We dispatch comprehensive specifier sample boxes including acoustic fabric rings, high-resilience foam cross-sections, and powder coat metal plaques directly to architectural practices.

Office: C-46 Priyadarsini Nagar, Opp. Novino Batteries, Makarpura Rd, Vadodara, Gujarat – 390010
Official Turnaround: 24–48 Hours