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Products

Cover Systems - Geosynthetics

Overview

There are two basic uses for cover systems. Covering solid materials, and covering liquid filled ponds. A geosynthetic cover material usually prevents precipitation (rain or snow) from affecting the material under the cover. Cover materials can also be used for odor control and to prevent the loss of material due to evaporation, wind erosion, or UV degradation.

Covers for Solids Storage

Covers are often used to prevent damage to stockpiles of valuable materials. Covers for fertilizer piles, salt piles, haystacks, silage pits, and grain piles are common. In this application the cover is usually preventing rain from entering the stockpile to prevent loss of product. The cover also prevents wind erosion, and in the case of a haystack cover, prevents damage from UV light. Covers of this type are commonly made from RPE® 15.

Covers are also used to prevent the spread of contamination from stockpiled materials. These stockpiled materials could be solid manure, contaminated soil, fertilizer piles or salt piles. Temporary covers (1 - 5 years) are commonly used in Soil Remediation or Bioremediation applicatons  In this application the cover prevents precipitation from dissolving or leaching contaminants away from the storage site. The cover is designed to shed water, and is usually made from material such as RPE® 15.

Layfield's fabrication plants efficiently produce thousands of small covers each year (such as soil remediation liners and covers). Our specialty, however, is large covers. We regularly produce storage pile covers from RPE® 15 up to 100,000ft2 (10,000m2) in a single piece. For your largest cover requirements, call Layfield.

Covers for Liquid Impoundments

In municipal water works covers are often used over treated drinking water storage to prevent dilution of the treated water by precipitation. A floating cover can collect rainwater on the cover surface without changing the concentration of the water in pond. In contaminated water ponds a cover can keep the clean rainwater out of the pond so that you don’t have to treat the volume of rainwater in addition to the volume of contaminated water. Floating covers can also be used for odor control, evaporation control, and algae control. For more information on the floating covers offered by Layfield see our special Floating Covers section.

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