Coast | Stem Green

Upholstery fabrics from Ultrafabrics

Product description

Coast not only stands up to the elements, but also delivers on the style and comfort you require for places we live, work, and play. Engineered to perform in exterior marine and furniture applications, this classic styling provides enduring protection, while looking and feeling great.

Application: Interior Upholstery, Contract, Residential & Marine Exterior Upholstery

General Specifications
100% Polycarbonate Polyurethane Surface
65% Polyester, 35% Rayon Backing
Approx. 11.2 oz. Per Square Yard
Approx. 380 Grams Per Square Metre
Approx. 1.15 Millimetres
54 Inches / 137 Centimetres

ASTM D4157 / 400,000 Double Rubs (Wyzenbeek)*
BS EN ISO 12947-2 / 180,000 Rubs (Martindale)*
*meets or exceeds
14+ Weeks
ASTM D3690 Sect. 6.11 (Hydrolytic Stability)
ISO 1419 Method C (Accelerated Ageing)
Adhesion of Coating: ASTM D751
Tear Strength: ASTM D2261
Breaking Strength: ASTM D751
Tensile Strength: BS EN ISO 1421
Antibacterial: AATCC 147
Antimicrobial: ASTM E2180
Anti-mildew: ASTM G21
Cold Crack: FTM 5874 / CFFA 6a
Blocking: ASTM D751, 89-93

Light: ASTM G154, 1000 Hours
SAE J2527 1500 kj, Grade 4
ISO 105 B02, Grade 8
Crocking: AATCC 8, Grade 4-5 Wet & Dry
Chlorinated Water: AATCC 162, Grade 4-5
Perspiration: AATCC 15, Grade 5
Sea (Salt) Water: AATCC 106, Grade 4-5

Flammability Requirements
• ASTM E84 (Adhered) - Class A
• CA TB 117 - Pass
• FMVSS 302 & 95/28 Annex IV - Pass
• NFPA 260 - Class 1
• UFAC - Class 1
These fabrics, when treated and/or used with other compatible
furniture components, have been shown to perform under the fire
test conditions of:
• ASTM E84 (Unadhered)
• BS 5852 Source 0, 1 & 5
• IMO FTPC Part 8 (Cig, Match & Crib 5)
• BS EN 1021 Parts 1 & 2


Coast sets a new standard in outdoor spaces that simply demand more. Engineered to deflect against mildew, bacteria, and other surface pathogens, Coast resists water, features enhanced UV resistance to sunlight and remains cool to the touch while providing unparalleled comfort and lasting protection for all settings – indoors and out.

• Superior performance with 14+ weeks hydrolysis resistance
• Blended backcloth for expanded upholstery capabilities
• 400,000 double rubs (Wyzenbeek), 180,000 rubs (Martindale)
• Mildew and water resistant, including chlorinated and salt water
• Enhanced UV colorfastness
• EPA-registered antimicrobial protection does not contain triclosan and triclocarban
• Bleach cleanable (1:5 bleach/water solution)
• SCS Indoor Advantage Gold Certified and REACH compliant
Manufacturer Ultrafabrics
Family Coast
Architonic ID 20284157
Order number 640-4338
Year of Launch 2021

Also available in 15 other variants

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