Rijia Bailai IV68 series copper-clad wood inward-opening inward-turning doors and windows

Copper-clad wood doors and windows combine the main properties of bronze and solid wood into one. A noble material made of bronze. The bronze surface is particularly durable and is an ideal solution for restoring and renewing old buildings. This special bronze was often used to make Those structures, known as bronze buildings, require no surface protection or maintenance. The naturally formed copper and aluminum on the surface is the best and most durable protective barrier. Its polishing process accelerates the natural formation of patina, which gives it the effect of antique bronze.
Main product composition and performance indicators
Product composition The main material of doors and windows is made of natural pine laminated wood, high-quality German hardware system, and high-performance insulating glass up to _㎜ made in accordance with German standards.
Performance indicators The test conclusions of the Beijing Building Hardware and Plumbing Product Quality Supervision and Inspection Station are as follows
Wind pressure resistance
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Air penetration performance (㎡/
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Rainwater penetration performance
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Air sound insulation performance
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Insulation performance (/㎡
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