Shenyang Qiangyun Color Steel & Steel Structure Co., Ltd. is one of the most reliable manufacturers and suppliers of polystyrene panels external walls in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale advanced polystyrene panels external walls in stock here from our factory. Also, pricelist is available.

Product Overview

Polystyrene external wall panels are pre_fabricated facade enclosure panels for outdoor building exterior systems. The panel combines weather_resistant color_coated steel facings with closed_cell flame_retardant EPS polystyrene core. Available facings: PPGI, GI, PPGL. Multiple thicknesses & custom dimensions supported. Light_weight structure reduces main_structure load; tongue_and_groove joint enables fast dry modular installation. Customization on size, color, coating, edge treatment and EPS core grade.

Specification

Item	Specification
Panel type	External wall sandwich panel
Facing	PPGI / GI / PPGL color_coated steel sheet
Core	Flame_retardant EPS
Effective width	950 mm / 1150 mm
Panel thickness	50 / 75 / 100 / 120 / 150 mm
Panel length	1–11.8 m (subject to transport limits)
Steel thickness	0.3–0.8 mm
EPS density	12–20 kg/m³
Working temperature	-40°C to +70°C
Color	Full RAL color chart
Edge treatment	Standard / reinforced edge
Accessories	Fasteners, sealing strips, flashing

Note: All figures are standard reference values. Full test report available upon request.

Why Buyers Choose Our EPS Wall Panels?

Light_weight EPS Wall Panels Reduce Main_structure Load. Tongue_and_groove Joints Enable Fast Dry_installation. Support Custom Thickness, Length, Steel Skins And RAL Colors, With Multiple EPS Grades And Full Matching Accessories For Outdoor Facade Projects.

Material Comparison: EPS vs Rock Wool vs PU/PIR

This material comparison helps you quickly select the proper core panel. It covers density, thermal conductivity and fire‑rating parameters, marking ideal and unsuitable scenarios for EPS, Rock Wool and PU/PIR. Choose wisely to match your project's budget, climate and local fire-code requirements.

Technical Performance (Reference)

Performance Item	Reference Information
Water absorption	Low_absorption EPS core; exact value subject to test report
Compression	Stable compression strength; obtain exact data from test document
Fire performance	B2 / optional B1 grade; must match destination local building standard
Temperature range	-40°C ~ +70°C
Service life	10_15 years reference; real life depends on coating, climate & maintenance

Note: Fire classification shall be verified per your actual panel configuration and local market requirements. Third_party test reports can be provided on request.

Applications

Polystyrene panels external walls serve diverse projects: commercial facades, agricultural sheds, steel_structure workshops, warehouses, prefab buildings and lightweight office partitions for both exterior enclosure and inner separation needs.

Recommended Spec for South_American Tropical Market

Based on our Honduras & Latin_America project experience, against local pain points: high humidity, heavy rainfall, strong UV radiation.

Steel skin suggestion: PPGL is preferred for better anti_corrosion & UV resistance

Core: Flame_retardant EPS grade

Accessories: Complete sealing strips + aluminum flashing to prevent rain leakage

Packaging & Shipping

Sample packing: bubble bag + hard carton _ Bulk order: waterproof PE film + fumigated wooden pallet + edge protector Please provide panel thickness, length, total quantity and destination port for accurate container_loading plan & freight proposal.