{"product_id":"geotextile-protective-underlay","title":"Geotextile Protective Underlay","description":"\u003cp\u003eGeotextile 250gm grey protective pond underlay is a mechanically bonded polypropylene needle punched material. This is a high performing, tough underlay relative to some brands available on the market.\u003cbr\u003e\u003cbr\u003eGeotextile is used to protect your pond liner from being punctured by sharp stones, rocks, roots and other soil debris. A protective underlay also acts as an escape route for any gasses that may build up under a pond liner.\u003cbr\u003e\u003cbr\u003eIf you intend on covering your pond liner with soil, gravel, rocks or concrete, it is advisable to add Geotextile protective underlay both above and below the liner to prevent costly and time consuming repairs.\u003cbr\u003e\u003cbr\u003eProtective liner is recommended for all pond liner installations. Liners Online guarantee all our pond liners when used with this protective liner.\u003cbr\u003e\u003cbr\u003eGeotextile is supplied in rolls of 2 metre widths\u003cstrong\u003e. \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures of Geotextile pond underlay:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemains unaffected by extreme weather conditions\u003c\/li\u003e\n\u003cli\u003eRot resistant\u003c\/li\u003e\n\u003cli\u003eEasy to install\u003c\/li\u003e\n\u003cli\u003eHelps prevent holes and leaks in pond liner\u003c\/li\u003e\n\u003cli\u003eEnvironmentally safe\u003c\/li\u003e\n\u003cli\u003eProvides the first line of defence against punctures and tears to a pond liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCustomers should follow this calculation to order the correct dimension for your pond. The 0.15m overlap or overlay is the minimal amount and a guide depending on the type of edging you have planned:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum pond length + (2 x depth) +2 x 0.15m overlap = Total Length of Liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum pond width + (2 x depth) + 2 x 0.15m overlap = Total Width of Liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMultiplying the depth by 2 accounts for the depth on both sides of the pond. And, the same applies to the overlay. If you intend adding planting shelves to your pond design, they don’t need to be accounted for in the calculations because they won’t significantly affect the pond measurements.\u003c\/p\u003e\n\u003cp\u003eBuilding a garden pond and installing a bottom drain or fountain pump? Save on postage by adding \u003ca href=\"http:\/\/www.pondlinersonline.co.uk\/product\/waterproof-adhesive-sealant\/\"\u003ewaterproof sealant \u003c\/a\u003eto your pond liner and pond underlay order.\u003c\/p\u003e","brand":"Pond Liners Online","offers":[{"title":"Default Title","offer_id":53381555749128,"sku":"GPUPL","price":0.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/1806\/2856\/files\/db9d0dd84a8441cd696554d2da70fee7e04b706f_88b77bf1-2b79-4bd9-872c-40993605ca06.png?v=1757325449","url":"https:\/\/www.pondlinersonline.co.uk\/products\/geotextile-protective-underlay","provider":"Pond Liners Online","version":"1.0","type":"link"}