The Laydex Heavy Gauge Builders Film - Clear 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 clear film also makes a useful window covering. This roll is 3.5m multi-fold.