The Laydex Heavy Gauge Builders Film - Eco is a non-reinforced, clear polythene film with a wide range of uses. This durable poly sheet film can be used on building sites or general areas where strong cover or underlay is required. It is useful for temporary weather protection during building, to form a moisture barrier under concrete slabs, to protect plants from birds and frost, or as a drop sheet. This Eco film is an affordable, high value option. This roll is 3.5m multi-fold.