Secure Covers are an internationally accepted form of crop protection for your maize and silage stacks. Secure cover is applied over the top your normal polythene and is designed to eliminate the use of tyres in the fermenting hold down process. Tyres are replaced with easy to handle Gravel Bags. Secure Covers come in 9 sizes up to 12 m x 18 m with a full 7 year guarantee against fraying, unraveling, shredding or UV degradation. The knitted polyethylene fabric is especially proven against Pukekos and leaves fewer places for rats and mice to nest. It is strong enough that should stock walk on the secure cover it will not rip. Stack management is made easy.