Atlas index
Liquid · Sizes pending
Metallic — indicative fig. M·106

Tin-based coating system for metal protection and specialized architectural finishes

01 Physical

Density 7265kg/m3
Specific gravity 7.27
Porosity 0%
Water absorption 0%
Hardness 1.5Mohs
UV resistance Excellent
Chemical resistance Good
pH tolerance 4-10pH
Surface roughness 0.2-0.8um

02 Mechanical

Tensile strength 15-45MPa
Compressive strength N/AMPa
Flexural strength N/AMPa
Shear strength 10-20MPa
Poisson's ratio 0.36
Impact resistance Substrate-dependentJ
Creep resistance Poor (coating); substrate-dependent (system)

03 Thermal

Thermal conductivity 66.8W/mK
Specific heat 228J/kgK
Thermal expansion 0.022mm/m/degC

04 Compliance & Fire First question

Combustibility class A1 Non-Combustible
Fire resistance level Assembly-dependentminutes
Ignition temp N/A (does not ignite)degC
Flame spread index 0
Smoke dev. index 0
Heat release rate 0kW/m2

05 Sustainability & Health

Embodied carbon 15-20 (tin metal); 4.0-6.5 (TCS system)kg CO2-eq/kg
Carbon footprint 5-30kg CO2-eq/m2
Embodied energy 200-250 (tin); 25-75 (system)MJ/kg
Water footprint 50-100L/kg
Recyclability 100%
Recycled content 25-90 (substrate)%
Renewable content 0%
Circular score 8.0/10
VOC emissions 0ug/m3
Toxicity rating Very Low
LEED contribution 2-4points

06 Durability · Cost · Logistics

Expected lifespan 100+years
Maintenance interval 1095-1825days
Warranty period 25-40years
Sound absorption Very Low (0.05-0.10 NRC)
Material cost (range) 40-250AUD/m2
Material cost (per unit) 70-120AUD/m2
Lead time 5-60days
Lifecycle cost 100-400 (over 100 years)AUD/m2
Annual maintenance 0.50-3.00AUD/m2/year
Market availability Moderate

07 Assessment

Advantages

  • Exceptional corrosion resistance via self-passivating oxide layer (approximately 3 nm thick)
  • Non-toxic and food-safe — no hazardous leaching unlike lead-tin terne
  • Natural matte grey patina complements timber and masonry aesthetics
  • TCS systems achieve 100+ year lifespan with minimal maintenance
  • Heritage authenticity for pressed tin ceiling restoration (Wunderlich tradition)
  • 100% recyclable — tin can be electrolytically recovered from steel substrates
  • Excellent formability allows intricate pressed patterns and standing seam profiles

Constraints

  • Very low melting point (232 degC) limits high-temperature applications
  • Tin pest risk in sustained cold below 13.2 degC (mitigated by commercial-grade impurities)
  • Barrier protection only — coating breaches cause accelerated substrate corrosion at defect
  • Soft coating (1.5 Mohs) scratches easily during handling and installation
  • Uneven patina development on wall cladding requires client education
  • Premium cost for TCS systems compared to standard metal roofing

08 Applications

A1 Pressed Tin Ceiling Panels Heritage and period-style interior ceiling linings in stamped tinplate steel with ornate Victorian, Federation, Art Nouveau, or Art Deco patterns
A2 TCS Standing Seam Roofing Terne-coated stainless steel long-run roofing achieving 100+ year lifespan with natural matte grey patina development
A3 TCS Wall Cladding Terne-coated stainless steel flat-lock or standing seam wall panels for contemporary and heritage facades
A4 Heritage Restoration Authentic reproduction of Wunderlich pressed metal ceiling panels and cornices for heritage-listed building conservation
A5 Roof Drainage Systems TCS gutters, downpipes, and flashings providing corrosion-resistant drainage that weathers to match TCS roofing

09 Sources & Standards

Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.

MATERIALS ATLAS · CL·AD M·106 · data indicative — verify per project