Another benefit of choosing HDPE is that the material can be fusion welded together, which can streamline installation time and help reduce potential for leaks. The ability to weld HDPE pond liners with a double wedge weld also allows installers to form seals in the field, simplifying transportation logistics and overall installation complexity.
The double wedge weld is significant because it allows the installer to test the seam and ensure its integrity. Large ponds come with several unique challenges. First, the large surface area will necessitate a protracted preparation phase, requiring careful planning to avoid weather delays. Using larger rolls will reduce the number of welds needed and therefore drastically decrease installation time.
Sandbags are especially helpful with larger sheets of liner and can help keep the pieces in place prior to welding. After all the sheets are in their correct position welding can take place. The weld settings themselves should match the properties of the chosen geomembrane, taking into consideration the melt index, thickness, and resin type. A higher melt index, for example, allows the seaming process to take place at lower temperatures and at higher speeds.
Specifying a higher melt index can improve installation time and liner integrity. Lastly, construction quality control is essential for all pond installations—especially large ponds. If gas buildup is a concern in the pond liner area, then specifying a gas venting layer is critical. This layer will eliminate critical issues from gas buildup underneath the liner. After the selected site has been prepared, the next step is to choose the right material for the pond liner.
HDPE pond liners carry many benefits. They are tough, flexible, and highly resistant to chemicals and corrosion—properties that make HDPE liners among the most durable and long-lasting liners on the market. Another benefit of choosing HDPE is that the material can be fusion welded together, which can streamline installation time and help reduce potential for leaks. The ability to weld HDPE pond liners with a double wedge weld also allows installers to form seals in the field, simplifying transportation logistics and overall installation complexity.
The double wedge weld is significant because it allows the installer to test the seam and ensure its integrity. Large ponds come with several unique challenges. First, the large surface area will necessitate a protracted preparation phase, requiring careful planning to avoid weather delays. Using larger rolls will reduce the number of welds needed and, therefore, drastically decrease installation time.
Sandbags are especially helpful with larger sheets of liner and can help keep the pieces in place prior to welding. After all the sheets are in their correct position welding can take place. Protecting the liner as much as possible can be the difference between installing a liner in a day or having to wait to get it patched when you have everything lined up and ready to go. Ask the pond liner manufacturer you are purchasing from if they do this to ensure you receive your pond liner undamaged.
When receiving the pallet, roll, or box, be sure to inspect it before signing for it. If the liner has been damaged by the shipping company they may be held responsible and may pay for any damage done to the liner. If you sign for your package before inspecting the liner and allow the shipping company to leave it, can often be difficult to prove the damage was done before you received the liner.
If the liner is purchased on a core or pallet, often equipment is needed on site to unload the liner material. If there is no unloading equipment available, requesting a lift gate that can lower the liner to the ground is often needed.
It is important that if a fork lift is being used that the forks are used in between the slats of the pallet, or if a core is being used, that a carpet puller a metal shaft can be used to pull the liner out by the inside of the core and not the outside. Trying to pick up a liner wrapped on a core by lifting underneath the core almost never works and will most likely damage the liner.
When storing the liner, it is usually best to store it in a dry area. Although most pond liners are u. Most liner materials are highly cold resistant as well but can still have problems with cold, especially if it is an unreinforced liner material.
Field Installation Procedures: Although it is important to know the measurements of the pond before you purchase your pond liner , it is often a good idea to double check the pond and re-measure again. A typical installation goes something like this: 1. The liner comes folded and rolled on a cardboard core and will be rolled out along the length of the pond. Initially to put the liner in place heavy equipment like a backhoe is used to lift and move the liner.
A team of workers one person every feet line up along the leading edge of the liner and proceed to pull the liner down to the bottom of the pond and up the other side. Secure the liner in the trench with a little bit of dirt. Non-woven protective geotextile material is available and may be needed to lay down first before you install the liner if there are sharp rocks or roots exposed.
This product is a long-lasting, puncture-resistant, and cost-effective solution for protecting thinner polyethylene liners or the softer EPDM liner material. Long-lasting pond liners are important to farmers, vineyards, and property owners large and small.
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