{"product_id":"grava-volcanica-natural","title":"Natural Volcanic Gravel","description":"\u003ch1\u003e🌋 Natural Volcanic Gravel: Thermal Protection and Landscaping with Real Character\u003c\/h1\u003e\n\u003cp\u003eGive your garden or outdoor project an organic, living, deeply natural look. \u003cb\u003eNatural Volcanic Gravel\u003c\/b\u003e (pozzolan) is a landscaping favourite thanks to its light weight, its ability to retain soil moisture and its excellent performance against temperature swings.\u003c\/p\u003e\n\u003cp\u003eIt protects roots, reduces watering frequency and creates a highly porous layer that prevents evaporation and smothers weeds.\u003c\/p\u003e\n\u003ch3\u003e⚠️ IMPORTANT NOTICE ABOUT THE COLOUR AND NATURE OF THIS MATERIAL\u003c\/h3\u003e\n\u003cp\u003eNatural stone is unique and changeable; it is not a ceramic or industrial product made in series. For \u003cb\u003eNatural Volcanic Gravel\u003c\/b\u003e in particular, please bear the following in mind before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eLively, highly variable tone:\u003c\/b\u003e the colour of this stone changes radically with daylight and, above all, with \u003cb\u003emoisture\u003c\/b\u003e. Dry, it shows matt greyish and brownish tones; wet or under the rain it reveals much darker, deeper shades.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eSame quarry, different batches:\u003c\/b\u003e the Natural and \u003ca href=\"\/en\/products\/piedra-volcanica-jardin\"\u003eRed versions\u003c\/a\u003e come from the same quarry veins. Natural Volcanic Gravel \u003cb\u003emay therefore contain inclusions or traces of red\/garnet volcanic gravel\u003c\/b\u003e, as well as noticeable tone variations between extraction batches.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eOrder your whole project at once:\u003c\/b\u003e if you will need more material in the future, bear in mind that a new batch \u003cb\u003ewill differ in tone from your previous purchase\u003c\/b\u003e. We recommend ordering 10% extra or covering the full surface in a single order.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eExchange and returns policy:\u003c\/b\u003e due to the geological nature and inherent colour variability of this stone, \u003cb\u003eexchanges or returns motivated by colour or tone differences are not accepted\u003c\/b\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✨ Benefits of Volcanic Gravel in Your Garden\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eWater savings and moisture retention:\u003c\/b\u003e its porous structure works like a natural sponge, keeping moisture in the substrate and reducing the need for constant watering.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eThermal insulation for roots:\u003c\/b\u003e it protects the soil from winter frost and prevents overheating during the summer months.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eLow weight, easy handling:\u003c\/b\u003e being much lighter than other pebbles or granite, transporting and spreading it requires noticeably less effort.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eZero maintenance:\u003c\/b\u003e once in place, it needs no treatment, painting or special care.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🛠️ Recommended Installation Guide\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003ePrepare the ground:\u003c\/b\u003e clear the surface of organic debris and loose stones.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eLay a weed-control membrane:\u003c\/b\u003e essential to stop unwanted vegetation and keep the stone from sinking into the soil over time.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eApply the right thickness:\u003c\/b\u003e spread at least \u003cb\u003e2 layers of stone\u003c\/b\u003e for perfect visual coverage and maximum soil protection.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e📏 How Much Volcanic Gravel Do You Need for Your Project?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eYield:\u003c\/b\u003e 1 m³ (1,000 litres) equals approx. 900-1,000 kg.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003e10-25 mm grain size:\u003c\/b\u003e recommended layer thickness of \u003cb\u003e4 cm\u003c\/b\u003e (approx. 40 litres \/ 0.04 m³ per m²).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003e25-50 mm grain size:\u003c\/b\u003e recommended layer thickness of \u003cb\u003e8 cm\u003c\/b\u003e (approx. 80 litres \/ 0.08 m³ per m²).\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e💡 \u003cb\u003eNot sure how much you need for your surface, or looking for technical advice?\u003c\/b\u003e Contact the Vetonek customer service team and we will help you work out the exact litres or bags you need.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e💡 Torn between natural and red, or unsure how much you need? Read our \u003ca href=\"\/en\/blogs\/ideas-jardin\/piedra-volcanica-jardin-guia\"\u003ecomplete guide to volcanic stone for the garden\u003c\/a\u003e.\u003c\/p\u003e","brand":"Vetonek","offers":[{"title":"Saco 20 L. \/ 5-10 mm","offer_id":54021107548507,"sku":"8431883172003","price":6.56,"currency_code":"EUR","in_stock":true},{"title":"Saco 20 L. \/ 10-25 mm","offer_id":54021107581275,"sku":"8431883172010","price":6.56,"currency_code":"EUR","in_stock":true},{"title":"Saco 20 L. \/ 25-50 mm","offer_id":54021107614043,"sku":"8431883172027","price":6.56,"currency_code":"EUR","in_stock":true},{"title":"Big bag 1.000 L. | 1 m³ \/ 5-10 mm","offer_id":54021107646811,"sku":"8431883180480","price":235.04,"currency_code":"EUR","in_stock":true},{"title":"Big bag 1.000 L. | 1 m³ \/ 10-25 mm","offer_id":54021107679579,"sku":"8431883180497","price":242.55,"currency_code":"EUR","in_stock":true},{"title":"Big bag 1.000 L. | 1 m³ \/ 25-50 mm","offer_id":54021107712347,"sku":"8431883180503","price":235.04,"currency_code":"EUR","in_stock":true},{"title":"Big bag 1.000 L. | 1 m³ \/ 2-5 mm","offer_id":54021107745115,"sku":"8431883180510","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/9698\/8257\/files\/IMG_55161280x960_c9f55919-fa26-4d7f-8e6d-f1ee36319d47.png?v=1789015085","url":"https:\/\/vetonek.com\/en\/products\/grava-volcanica-natural","provider":"Vetonek","version":"1.0","type":"link"}