BS 7457-1994 适用于具有砌体或内外叶形混凝土的中空墙壁稳定性和隔热的聚氨基甲酸酯泡沫层规范

标准号：BS 7457-1994
中文标准名称：适用于具有砌体或内外叶形混凝土的中空墙壁稳定性和隔热的聚氨基甲酸酯泡沫层规范
英文标准名称：Specification for polyurethane (PUR) foam systems suitable for stabilization and thermal insulation of cavity walls with masonry or concrete inner and outer leaves
标准类型：P31;P25
发布日期：1994/4/15 12:00:00
实施日期：1994/4/15 12:00:00
中国标准分类号：P31;P25
国际标准分类号：91.100.60
适用范围：This British Standard specifies the property requirements, composition, and the production parameters of suitable rigid polyurethane foam (PUR) systems, which are dispensed on site, to fill the cavities of maximum width 150 mm of suitably constructed external walls of maximum continuous cavity height 12 m which have masonry or concrete inner and outer leaves, thereby providing additional thermal insulation to such walls and simultaneously, especially in the case of damaged wall ties improving their structural integrity.