XPS Sandwich Panel: Handling & Installation Guidelines
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Incoming Inspection for XPS Sandwich Panel
After XPS sandwich panel arrives on‑site, carry out full visual inspection. Check metal skins for scratches, dent damage and coating defects. Cross‑verify panel thickness, XPS core density, dimension and edge‑sealing structure against purchase contract. Randomly take sample pieces of XPS sandwich panel to check bonding condition between metal skin and XPS foam core. Observe whether the foam core is uniform and compact. Reject XPS sandwich panel with poor adhesion, loose core and surface deformation. For fire‑retardant grade XPS sandwich panel, require corresponding finished‑product fire‑test documents delivered together with goods. Damaged XPS sandwich panel shall be marked and isolated, and must not flow into construction procedures.
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On‑Site Storage Key Requirements
XPS foam core is sensitive to ultraviolet radiation and high temperature. XPS sandwich panel must be stored indoors in dry and ventilated space. Never stack XPS sandwich panel in open‑air areas exposed to direct sunlight, rain or dew. Long‑term UV exposure will trigger XPS core aging, brittleness and powdering, permanently reducing performance of XPS sandwich panel. Place moisture‑proof supporting pads underneath stacked XPS sandwich panels to isolate ground dampness. Do not remove the protective film on panel surface too early; peel protective film off only right before installation. Avoid heavy objects pressing on XPS sandwich panel surface to prevent permanent indentation deformation. Keep XPS sandwich panel far away from on‑site temporary heat sources.
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Cutting and Edge‑Sealing Treatment Rules
Whenever possible, complete cutting work of XPS sandwich panel under indoor sheltered conditions. Prevent rain, dew and sunlight from hitting newly‑cut XPS cross‑sections. Cutting breaks the closed‑cell structure of XPS sandwich panel. All exposed foam end faces must be fully sealed immediately after cutting. Unsealed cut openings become moisture infiltration channels, which will erode bonding interface and eventually cause delamination of XPS sandwich panel. Clean foam debris thoroughly after cutting. Minimize unnecessary drilling on XPS sandwich panel; every drilled hole must be completely sealed afterwards.
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Core Installation Operation Points
Handle XPS sandwich panel gently during hoisting and fitting to avoid corner collision and surface dent. Reasonably set keel spacing according to mechanical parameters of XPS sandwich panel. Excessively large keel spacing will lead to panel concave deformation under wind pressure. Control joint gaps evenly, select compatible sealant matched with project working conditions. Ensure continuous sealing for all panel seams, corners and penetration openings to block moisture ingress. Keep XPS sandwich panel away from long‑term direct heat radiation. Isolate welding sparks during cross‑construction to avoid scorching XPS foam core. Do not arrange XPS sandwich panel close to high‑temperature equipment without heat‑shield baffles.
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Post‑Installation Acceptance Check
After XPS sandwich panel installation is completed, inspect all cut sections, drilled holes and panel seams one‑by‑one to confirm full sealing status. Check overall wall flatness for signs of shrinkage or local depression. Before project handover, check for joint widening caused by potential thermal shrinkage risk of XPS sandwich panel.
? As a Foshan local source manufacturer, SAMZOON is familiar with industrial and cold‑storage project acceptance standards. We supply standard and low‑temperature modified XPS sandwich panel, support customized dimensions, urgent production scheduling and free sample provision. Our technical team delivers targeted construction guidance for XPS sandwich panel to reduce on‑site faults. Massive South‑China project landing cases can be provided for reference.
XPS sandwich panel service life heavily depends on on‑site handling. Strict incoming inspection, UV‑proof dry storage, timely edge‑sealing and standardized installation are essential measures to avoid aging, delamination and thermal shrinkage risks of XPS sandwich panel.
