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15# ASTM Specification Felt Meets ASTM D-226, Type I Dimensions- 144' X 36 Coverage per Roll- 4 Squares Approx. Sq. Ft. per Roll- 432 Sq. Ft. Approx. Weight per Roll- 52 Lbs. Also available in 3 Square Roll 30# ASTM Specification Felt Meets ASTM D-226, Type II Dimensions- 72' X 36" Coverage per Roll- 2 Squares Approx. Sq. Ft. per Roll- 216 Sq. Ft. Approx. Weight per Roll- 55 Lbs. Also available in 18" Split (108 Sq. Ft.) Roll PRO 15 Specification Felt Meets ASTM D-4869, Type I Dimensions- 144' X 36" Coverage per Roll- 4 Squares Approx. Sq. Ft. per Roll- 432 Sq. Ft. Approx. Weight per Roll- 40 Lbs. PRO 30 Specification Felt Meets ASTM D4869, Type II Dimensions- 72' X 36" Coverage per Roll- 2 Squares Approx. Weight per Roll- 42 Lbs. NO 15 Specification Felt Meets ASTM D4869, Type I Dimensions- 144' X 36" Coverage per Roll- 4 Squares Approx. Sq. Ft. per Roll- 432 Sq. Ft. Approx. Weight per Roll- 36 Lbs. Also available in 3 Square Roll NO 30 Specification Felt Meets ASTM D4869, Type I Dimensions- 72' X 36" Coverage per Roll- 2 Squares Approx. Sq. Ft. per Roll- 216 Sq. Ft. Approx. Weight per Roll- 36 Lbs. Also available in 18" Split (108 Sq. Ft.) and Jumbo (180 Sq. Ft.) Rolls 网址:http://www.huiyuanchem.com.cn 电话:86-400-6782166 传真:86-0536-5510598 手机:15265661677 联系人:于艳杰 山东汇源建材集团有限公司（原山东汇源防水材料有限公司）组建于1994年，集防水材料、涂料、玻镁防火板、防水模板、胶合板等木制品的研制开发、生产销售和防水施工于一体，生产设备先进，技术力量雄厚，品种齐全，是全国{zd0}的建筑装饰防水材料生产企业之一。