门窗缝隙是房屋冷风渗透的通道,门窗缝隙散热一般占房屋冬季散热总量的三分之一左右,造成巨大的热损失。在我国北方地区使用自粘型聚氨酯泡沫塑料密封条,可使室温提高2℃,或节能10%以上,还兼有 Door and window gaps are the channels through which the house’s cold wind penetrates. Heat dissipation from doors and windows usually accounts for about one-third of the total cooling capacity of houses in winter, causing huge heat losses. The use of self-adhesive polyurethane foam seals in northern China can increase the room temperature by 2°C or save energy by more than 10%.