Home » News » 2 lor HDPE sheets » waterproofing two lor hdpe sheet red/white/red 19mm. white waterproofing hdpe polythene sheet--HDPE plastic sheets . 30 05 2022 . This item: Polyethylene Sheet (HDPE) - 12x24 - White (.055) $12.20. 1 left in stock - order soon. HDPEps from and sold by . $3.55 HDPEpping.