ʻO Roll Up Door Polyethylene Guide Wear Strip, i ʻike ʻia ʻo Polyethylene Guide Strip, ua laka ʻia ma nā ʻaoʻao ʻelua e pale aku i ka ʻaʻahu a me ka pōʻino o ka puka.Ua hoʻokomo ʻia nā alakaʻi galvanized 18 i hoʻopaʻa ʻia me nā ʻāpana polyethylene ʻelua e hōʻemi i ka haʻalulu a me ka leo o ka puka muffle.