XPS Polystyrene Board

Extruded Polystyrene (XPS) Insulation Board

Choose the plan that suits you best.

XPS board

Uniform structure: No particle gaps, forming a truly continuous closed-cell structure, fundamentally eliminating the channels for water penetration

XPS insulation board

Stable performance: From the center to the edge of the board, the insulation performance and strength remain consistent

XPS foam insulation board

Smooth surface: Extrusion molding provides a hard and smooth surface, which is convenient for construction treatment and can offer edges with tenons (tongue grooves) for seamless splicing, effectively reducing thermal Bridges

polystyrene extruded board

Recyclability: XPS material itself is recyclable. We encourage the classification and recycling of materials during the project planning and demolition phases to support the circular economy

 

extruded polystyrene

 

Insulation of building envelope structures

 

XPS foam board

External wall insulation system (ETICS) : Especially suitable for the ground floor, areas prone to moisture or water splashing.

 

fireproof extruded board

Roof insulation: It is the best choice for "inverted roofs" (where the insulation layer is above the waterproof layer), protecting the waterproof layer from damage caused by temperature difference stress.

 

high-strength extruded board

Ground insulation: It is used for insulation under indoor floors (especially in radiant heating systems) and around building foundations to prevent heat loss and frost heaving.

 

high-hardness extruded board

Basement and retaining wall insulation: Long-term contact with soil or high-humidity environments, its excellent moisture-proof property is of vital importance.

 

 

Professional engineering application

 

1.Cold chain logistics and cold storage: The extremely low water absorption rate ensures that the insulation performance does not decline in low-temperature and high-humidity environments, making it an ideal material for the walls, roofs and floors of cold storage.

2.Transportation infrastructure: It is used as the insulation layer of the subgrade under expressways, railways and airport runways to prevent frost heaving diseases in seasonal frozen soil areas and improve structural stability.
3.Water conservancy projects: used for anti-seepage and thermal insulation of channels and reservoirs.
4.Environmental protection projects: such as landfill cover systems.

1. Safety Precautions

Fire Safety: Although XPS boards are flame-retardant treated, they remain organic insulation materials. Strictly adhere to hot work regulations on construction sites. Keep boards away from open flames, welding sparks, and other heat sources. Store away from high-temperature electrical equipment. Never install unprotected electrical wiring within the insulation system.

Personal Protection: Cutting boards may generate fine particles. Operators are advised to wear dust masks and safety goggles. Ensure good ventilation in the work area.

Material Storage: Store boards in a cool, dry place, protected from prolonged direct sunlight, organic solvents, and chemicals. Do not stack too high to prevent toppling.

2. Installation Guidelines

Substrate Preparation: Before installation, ensure the substrate (wall, roof, floor) is sound, level, dry, clean, and free of grease and loose materials. An inadequate substrate will lead to poor adhesion and system delamination.

Adhesion & Mechanical Fixing: Always use specialized polymer mortar for adhesive bonding, applying either the full-bed or perimeter/spot method to ensure the required adhesive coverage (typically ≥40%). For high-rise buildings or areas with high wind loads, mechanical fixing with approved plastic anchors is mandatory, creating a "combined adhesive-mechanical" system. The number, type, and embedment depth of anchors must be determined by engineering calculation.

Joint Treatment: Boards should be butted together tightly. Gaps between standard square-edge boards should be filled with backer rod or PU foam. Using boards with shiplap (tongue-and-groove) edges is recommended for a tighter fit. Continuous gaps must be avoided.

Protective Layer Application: After the insulation board installation is approved, apply the base coat (render) promptly. An alkali-resistant fiberglass mesh must be embedded in the base coat mortar to enhance impact resistance and crack prevention. Reinforcement is required at stress concentration points like window/door openings and corners.

System Integrity: An XPS insulation system is an integrated assembly. Ensure compatibility between the insulation layer, base coat, and finish coat (paint or tiles). Always follow the complete technical system guidelines provided by the system supplier.

FAQ     Q1: Can XPS boards be used on roofs? How to use it specifically A: Yes, and it's an excellent roof insulation material Q2: Is it necessary to use anchor bolts when installing XPS boards? A: For external wall insulation systems, a combination of adhesive and anchor is usually required. Bonding mortar provides the main adhesion and system cohesion, while plastic anchor bolts offer crucial resistance to negative wind pressure pull-out force and enhance the overall safety of the system, especially in high-rise buildings or areas with high wind pressure. The specific number, specifications and layout of anchor bolts shall be determined based on engineering calculations and must comply with local building codes. Q3: Is XPS board fireproof? What level is it? A: XPS is an organic insulation material, but it can be made flame-retardant by adding flame retardants.  XPS boards can provide B1 grade (difficult to ignite) or B2 grade (flammable) products that comply with the Chinese GB 8624 standard according to customer requirements. Products of B1 grade have better flame retardant performance. However, in any case, during construction and final use, insulation materials must be considered as part of the entire building's fire protection system, and construction requirements such as fire isolation belts must be strictly adhered to. 04.How does sprocket size affect torque? The standard of sprockets can be determined according to different application requirements. The difference between metric sprockets and sprockets built to ANSI standards is that they use different units of measurement for chain specifications.

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