Table of Contents
Do I need underlayment for pond liner?
Underlayment is an important part of building your pond and water features. It helps protect your pond liner from being punctured, and more, over time.
How do you secure a pond liner?
The simplest method for securing your pond liner is an anchor trench. This runs around the outside of your pond, approximately 500mm from the edge, and should be dug to about 300mm deep by 300mm wide. The liner should lap into the trench, be covered by a layer of matting, then the soil replaced over the liner.
Which way does pond liner go?
1. Excavate hole for liner to required shape. The sides should be made sloping inwards rather than vertical; cut out deep (45cm minimum) and shallow (approx 25cm) water areas as illustrated. Provided your excavation is carefully levelled around the top edge the liner can be concealed by the finishing edging.
How do you install a pond underlay liner?
How thick of a pond liner do I need?
0.75mm thickness is recommended for most flat sheet pond liners. We also recommend a protective layer of our G3000 puncture resistant Geotextile beneath to turn away root growth, sharp stones and other debris that might damage your liner.
Should I put gravel at the bottom of my pond?
Pebbles can create the best kinds of habitats for all kinds of fish, by giving them places to hide and rest. Pebbles used along the bottom of the pond can help to anchor down plant life which can offer fish hiding places from predators or sunlight, or even just a place to sleep.
How do I keep water from getting under my pond liner?
You might even be able to dewater the area a little perhaps with a wet and dry vac (for small quantities) or a sump pump. If you can fill the pond then the water weight will be enough to stop the it filling behind as a liner will press against the soil.
How do I stop my pond liner from lifting?
Once the liner is in place it may be a good idea to place some stones around the base of the pond to stop it lifting as much in the future.
Can you just dig a hole for a pond?
To add strength and stability to ponds, be sure to incorporate ledges during excavation. We all know that a contractor can dig a hole, but do you really know the benefits of doing it right? First, be sure to assess the property where the pond will be located and take note of all the existing structures and utilities.
How do you edge a pond?
Wildlife pond edging ideas: 10 nature-friendly designs for your backyard Create a pebbled bank. Add a pocket of planting to a shallow pond. Soften a modern shape with gravel and greenery. Add a dense planting area to one side. Line with large rocks. Create shelter with small trees. Recreate the natural landscape.
Does pond liner go shiny side up or down?
PVC pond liner has a shiny, high gloss finish on one side and a slightly texture dull finish on the opposite side. The liner functions the same regardless of which side faces up.
Can you use carpet as underlay for pond?
Carpet is sometimes suggested as a pond liner underlay and you might get away with this – just ensure that the carpet is a man-made fibre such as polypropylene as a natural fabric such as wool will rot over time reducing it’s effectiveness as a barrier and leaving the pond liner exposed to danger.
How much sand do I need to line my pond?
Lining the pond Remove any lumps or sharp stones from the hole. Then spread a 3cm (1.2in) layer of soft builder’s sand over the area. This will help protect the butyl liner being punctured. A layer of pond underlay or old carpet above the sand will provide additional protection.
How long will pond liner last?
Pond liners can last over 30 years if the right material is chosen and installed correctly. A good-quality EPDM pond liner can stick around even longer than that! PVC pond liners can be an economical option for smaller ponds.
Should you put anything in the bottom of a pond?
We recommend that you do not put rocks and gravel on the bottom of the pond, but since there are many people who recommend it, we would like to present the pros and cons so you can make an informed decision. Makes the bottom of the pond look natural and hides the liner material.
Should I put gravel in my wildlife pond?
Since wildlife ponds are not generally cleaned on a regular basis, covering the bottom with rocks or gravel is perfectly fine. If larger animals like raccoons or deer climb into the water or dig around in it, a layer of gravel will keep them from accidentally damaging the liner.
How deep should a garden pond be for frogs?
A frog pond should be at least 60cm deep, in a shaded area and have shallow edges for the tadpoles. If you want a frog pond, then, unfortunately, you can’t have fish, because they like to munch on baby frogs (froglets!).
What’s the best liner for a pond?
High-density polyethylene (HDPE) liners, also known as reinforced polyethylene liners, are one of the best choices for flexible pond liners. They offer even better puncture resistance than either EPDM or PVC liner, while weighing roughly one-third as much and being half as thick.
Will tree roots grow through pond liner?
If you have seen sidewalks or even building foundations buckled and destroyed by the inexorable spread of tree roots, the answer here is fairly obvious: Yes, tree roots can and will eventually grow through your pond liner if given a chance.
How much overhang should a pond liner have?
Remove any excess liner the next morning; leave at least 30cm overlap at the edge. Edge the pond in paving or as desired, ensuring a small overlap to protect any exposed liner from UV damage.
