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 網(wǎng)址:http://www.huiyuanchem.com.cn 電話:86-400-6782166 傳真:86-0536-5510598 手機:15265661677 聯(lián)系人:于艷杰 山東匯源建材集團有限公司（原山東匯源防水材料有限公司）組建于1994年，集防水材料、涂料、玻鎂防火板、防水模板、膠合板等木制品的研制開發(fā)、生產(chǎn)銷售和防水施工于一體，生產(chǎn)設(shè)備先進，技術(shù)力量雄厚，品種齊全，是全國最大的建筑裝飾防水材料生產(chǎn)企業(yè)之一。