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How long does it take to install XPS extruded polystyrene boards without affecting the subsequent installation of the wood flooring?
After installation of XPS extruded polystyrene boards, three basic conditions must be met—adequate strength development, stable moisture content, and sufficient interfacial bond—before proceeding with the subsequent wood flooring finish. According to the newly revised “Technical Code for Radiant Heating and Cooling Systems” JGJ 142–2026 issued by the Ministry of Housing and Urban–Rural Development in 2026, when XPS boards are used as both an insulation layer and a leveling substrate in dry underfloor heating systems, their surface bearing capacity must reach a compressive strength of at least 150 kPa prior to flooring installation, and their moisture content must be no greater than 1.2% as determined in accordance with GB/T 10801.2–2023. The actual construction schedule is influenced by ambient temperature and humidity, substrate flatness, adhesive type, and installation procedures; under normal conditions, natural curing for at least 72 hours generally suffices to preliminarily meet the requirements for mechanically fastened wood flooring installation. If full-bonding adhesive installation is employed, it is recommended to wait for at least 120 hours and verify compliance through on-site spot-pressure testing and direct moisture-content measurements using a moisture meter. This assessment directly affects the risks of delamination, warping, and thermal bridging in the finished floor, making it a critical control point in the acceptance inspection of concealed works.
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Still worried about construction efficiency? This composite insulation panel doubles operators’ productivity!
Still troubled by low construction efficiency? Kejia Energy-Saving has developed a high-performance composite insulation board specifically designed to boost productivity. Lightweight yet highly strong, with a low thermal conductivity and easy-to-use installation, it effortlessly doubles on-site efficiency. Whether you’re a corporate decision-maker or a field operator, this innovative product delivers substantial performance gains.
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