Building insulation field

Specialized XPS Board for Interior/Exterior Wall Insulation

This high-performance XPS insulation board is suitable for thermal insulation in various wall systems, including both external wall insulation (EWI) and internal wall insulation (IWI) applications. It effectively prevents heat loss while reducing wall thickness, contributing to energy efficiency. KAIXI Wall-Specific XPS Boards truly achieve green building and environmental protection standards.

Key Advantages:
✔ Dual Applications – Perfect for both exterior and interior wall insulation
✔ Energy Saving – Minimizes thermal bridging and reduces heating/cooling costs
✔ Space Optimization – Thinner than traditional materials while providing superior insulation (thermal conductivity: 0.028-0.034 W/m·K)
✔ Eco-Friendly – 100% CFC-free, recyclable, and compliant with international green building certifications
✔ Moisture & Mold Resistant – Closed-cell structure prevents water absorption (<1%)

Indoor Thermal Insulation

XPS Interior Decoration Backing Board is a multifunctional construction cushioning material made from extruded polystyrene (XPS) as the base material and processed with special techniques. Featuring a closed-cell honeycomb structure, it serves as an essential functional auxiliary material in modern decoration projects.

✔ Wall Systems:

Drywall/gypsum board underlayment

Decorative panel substrate

Tile/stone backing layer

✔ Floor Systems:

Floating floor underlayment

Radiant floor heating insulation layer

Moisture-proof & soundproof cushion

✔ Ceiling Systems:

Light steel keel filler

Shaped ceiling base material

Cold chain logistics field

KAIXI Cold Storage XPS Insulation Board
Engineered with high-density closed-cell structure, this XPS board delivers exceptional thermal insulation and extended durability, matching the lifespan of cold storage buildings.

Key Advantages:
✓ Superior Moisture Resistance: Water absorption <0.5%, ultra-low vapor permeability
✓ Stable Thermal Performance: Maintains 0.028W/(m·K) thermal conductivity from -30°C to 50°C
✓ Durable Compression Strength: ≥300kPa, passes 1000 freeze-thaw cycles
✓ Effective Condensation Control: >98% closed-cell rate, eliminates thermal bridging

*Note: Specially designed for -60°C to 75°C environments, successfully implemented in 500+ cold chain logistics projects.*

Basement/Bathroom Backfilling

KAIXI Ceramsite is a lightweight porous material produced by high-temperature calcination using clay, shale, or industrial waste as primary raw materials.

✓ Lightweight & High-Strength: Bulk density 300-1000kg/m³, cylinder compressive strength 1.5-6.5MPa, reduces structural load by 30%-40%
✓ Thermal Insulation: Thermal conductivity 0.15-0.45W/(m·K), porosity ≥50%, effectively reduces heat transfer
✓ Fire-Resistant & Durable: Refractoriness ≥1200°C, freeze-thaw resistance F50+, service life >50 years

Engineering Advantages:
• Adjustable particle size (5-30mm) with continuous gradation
• Water absorption <10% (glazed surface treatment)
• Acid/alkali resistant (stable in pH2-12 environments)
• Easy construction (suitable for self-leveling/pumping)

(Note: Particularly suitable for prefabricated buildings, green roofs, wastewater treatment, etc.)

Underfloor Heating Board

KAIXI XPS Underfloor Heating Insulation Board

Manufactured from high-density extruded polystyrene (XPS), the KAXI XPS Underfloor Heating Insulation Board serves as the core thermal barrier in radiant floor heating systems. Featuring a closed-cell honeycomb structure (>95% cell closure rate) with an ultra-low thermal conductivity of 0.028-0.034W/(m·K), it effectively prevents downward heat loss while improving overall system efficiency by over 30%.

Key Performance Features:
✓ High Energy Efficiency – Stable R-value with no thermal degradation over time
✓ Exceptional Load-Bearing Capacity – 300-800kPa compressive strength prevents floor subsidence
✓ Permanent Moisture Resistance – <0.5% water absorption blocks vapor penetration
✓ Eco-Safe – GB8624 B1 fire-rated certification

*(Note: Widely used in residential and hospital heating projects with a 30-year service life)*

Road engineering field

High-Strength Specialized XPS Board:

With exceptional compressive strength and impact resistance, this board is highly durable and suitable for long-term load-bearing requirements in various building floors. Depending on the model and thickness, the compressive strength ranges from 150 to 1200 KPa or higher, ensuring stable performance. We maintain ample inventory and offer customized solutions to meet specific needs.

Property	XPS Board	EPS Board	Rock Wool Board
Compressive Strength	300-1000 kPa	50-150 kPa	Requires reinforcement (<50 kPa)
Water Absorption	<1%	3-4%	Very high (requires waterproof layer)
Thermal Conductivity	0.028-0.034 W/(m·K)	0.035-0.041 W/(m·K)	0.040-0.046 W/(m·K)
Service Life	50+ years	20-30 years	15-25 years