A manure resistant foil, which is very strong and has high chemical resistance, must be used when constructing a manure storage basin to prevent the contamination of groundwater.
The following is used:
- LDPE foil 1 mm or 0.80 mm thick in black unreinforced.
- PVC (manure quality) foil of 1 mm thick in black unreinforced.
- PVC reinforced polyester of 850 or 1100 gr m² (manure quality) in green or gray.

The following designs and systems are possible:

Liners
DL PLASTICS B.V. manufactures and installs manure liners to be used in manure storage tanks in various diameters and heights. The liner consists of unreinforced PVC manure quality 1 mm with a reinforced PVC edge that hangs over the edge of the tank. The liner is attached to the tank with the aid of ratchets or cord for tensioning.

In consultation the liners can also be delivered in the following grades:
- PVC reinforced polyester
- LDPE 1 mm thick unreinforced

Our liners are supplied, in consultation, complete with wall protection, ratchets and cord.

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Floating covers
To cover the manure tank, we also deliver floating covers. These covers are delivered, in consultation, with vents, HDPE tube, cord/rope for tensioning and mixing hatch. The materials used are, in consultation, unreinforced PVC 1 mm in black, unreinforced LDPE 080 or 1 mm thick in black or PVC reinforced polyester either in green or grey colours.

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Silo covers
In recent years, DL PLASTICS B.V. has delivered quite a few silo covers, made of reinforced PVC foil. Base material is a polyester fabric with a PVC coating on both sides 850 gr per m². To be supplied in green or gray. This material is very durable.

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DL PLASTICS B.V. mainly supplies so-called tensioned covers. Suitable for steel, concrete or wooden silos. These tensioned covers are made exclusively of the aforementioned high-quality reinforced PVC. On the inside of the cover Trevira straps are welded to the canvas, which is mounted to the ridge on an RVS (stainless steel) ridge plate. Around this a valance with an open hem is welded, which is drawn over the silo edge. In order to tension the whole, the tube is slotted in it. Straps are attached to the tube which can be tensioned with or without the aid of ratchets.
The silo cover is further tensioned by a centre column, which can be ordered separately on request. This centre column can be made of PVC or hardwood, in further consultation. The silo cover is further provided with a man hole and a mixing hatch.
Our qualified engineers are available to assemble this structure for you.

Manure bags
The manure bag is delivered in a square or rectangular shape, in consultation, with an inspection hatch. Furthermore, in consultation, pipes and seals are included. The material is especially designed for manure storage and consists of a polyester fabric with a PVC coating. Total weight approximately 1100 gr m². The seams are both thermally and high frequency welded.

The bags can be supplied with a capacity of 1000 m3. The whole can be assembled on site by us. To avoid being blown about by the wind, due to vacuum suction, the whole is tensioned and secured with traps and fastened with picket posts.

Benefits:
- Suitable for soft ground, aesthetic (environmentally less obtrusive)
- No rain in the manure (closed system)
- Easy to build
- No odour
- No need for planning permission
- Moveable
- U.V. (Sunlight) resistant
- Frost resistant to -30°C
- Acid and salt-resistant
- Long lifespan

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Basin liners
- Bottom layer, rectangular cover sheets in various sizes, virtually unlimited in size.
- Top layer, in the same size as the bottom layer, with or without mixing hatch and vents.

These cover sheets can also be supplied in various grades. Reinforced or unreinforced PVC or LDPE.

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