--- product_id: 650070828 title: "Grassflow Artificial Grass Underlay - 1m x 10m Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Reduces Lines and Streaks On Decking or Concrete" brand: "grandismo" price: "€ 135.91" currency: EUR in_stock: true reviews_count: 8 category: "Grandismo" url: https://www.desertcart.pt/products/650070828-grassflow-artificial-grass-underlay-1m-x-10m-roll-10mm-thickness store_origin: PT region: Portugal --- # Rain hole drainage system for water flow 1m x 10m roll for versatile coverage 10mm thick shock-absorbing comfort Grassflow Artificial Grass Underlay - 1m x 10m Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Reduces Lines and Streaks On Decking or Concrete **Brand:** grandismo **Price:** € 135.91 **Availability:** ✅ In Stock ## Summary > 🌿 Step into comfort, drain with style, and never settle for less! ## Quick Answers - **What is this?** Grassflow Artificial Grass Underlay - 1m x 10m Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Reduces Lines and Streaks On Decking or Concrete by grandismo - **How much does it cost?** € 135.91 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/650070828-grassflow-artificial-grass-underlay-1m-x-10m-roll-10mm-thickness) ## Best For - grandismo enthusiasts ## Why This Product - Trusted grandismo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built-In Rain Drainage:** Innovative drainage holes prevent water pooling, keeping your turf dry and pristine even after heavy rain. - • **Say Goodbye to Ugly Lines:** Reduces unsightly streaks and lines on patios and decking, ensuring your turf looks flawless and Instagram-ready. - • **Cushion Your Turf Like a Pro:** 10mm thickness delivers plush underfoot comfort that transforms any artificial grass space into a premium lounge zone. - • **Upgrade Your Outdoor Aesthetic:** Perfect for patios, decks, and concrete, this underlay elevates your artificial grass game, making your outdoor space the envy of your neighborhood. - • **Effortless Installation, Ultimate Flexibility:** Easily cut, nail, staple, or peg on any surface—concrete, wood, sand, or soil—making setup a breeze for any DIY enthusiast. ## Overview Grassflow Artificial Grass Underlay is a 1m x 10m roll with 10mm thickness designed to enhance artificial turf comfort and appearance. Featuring a rain hole drainage system, it prevents water buildup while reducing visible lines and streaks on patios and decking. Compatible with multiple subfloors, it offers easy installation and superior shock absorption, making it an essential upgrade for any artificial grass installation. ## Description GrassFlow is an underlay designed specifically for use with Artificial Turf, creating a much softer feeling underfoot and featuring drainage holes for successful water drainage. This Artificial Grass underlay is ideal for use on decking boards and patios and will help reduce lines and streaks showing through on the surface of the grass when installed in these areas. GrassFlow can be installed laid loose, nailed, stapled or even pegged to all subfloors such as concrete, wood, sand or soil making it perfect no matter the installation! Review: Super easy to install - Very easy to cut and install, nice and soft under foot,helps with drainage, absolutely essential when installing astro turf on concrete Review: Great product - Great product & quick delivery ## Features - Size: 1metre x 10metre Roll - Thickness: 10mm - Makes Artificial Grass Feel Softer Underfoot - Reduces Lines / Streaks When Used On Patio's & Decking - Features Water Drainage Holes ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DD45KCNM | | Best Sellers Rank | 6,310 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 16 in Flooring (Sports & Outdoors) | | Brand Name | Grandismo | | Colour | Green | | Customer Reviews | 4.8 4.8 out of 5 stars (28) | | Expected Plant Height Unit | 40 Millimetres | | Indoor Outdoor Usage | Outdoor | | Item Weight | 4 Kilograms | | Manufacturer | Grandismo | | Material Features | UV Resistant | | Number of Items | 1 | | Number of Pieces | 1 | | Plant or Animal Product Type | Artificial Grass | | Soil Type | Sandy Soil | ## Product Details - **Brand:** Grandismo - **Colour:** Green - **Expected plant height:** 40 Millimetres - **Indoor/Outdoor usage:** Outdoor - **Item weight:** 4 Kilograms - **Material feature:** UV Resistant - **Number of items:** 1 - **Number of pieces:** 1 - **Soil type:** Sandy Soil ## Images ![Grassflow Artificial Grass Underlay - 1m x 10m Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Reduces Lines and Streaks On Decking or Concrete - Image 1](https://m.media-amazon.com/images/I/61l-3UC4vNL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Super easy to install *by M***R on 5 November 2025* Very easy to cut and install, nice and soft under foot,helps with drainage, absolutely essential when installing astro turf on concrete ### ⭐⭐⭐⭐⭐ Great product *by N***C on 12 November 2025* Great product & quick delivery ### ⭐⭐⭐⭐⭐ Quality *by L***N on 3 November 2025* Excellent product ## Frequently Bought Together - Grassflow Artificial Grass Underlay - 1m x 10m Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Reduces Lines and Streaks On Decking or Concrete - Grassflow Artificial Grass Underlay - 1m x 5metre Roll -10mm Thickness - Rain Hole Drainage System - Improves Underfoot Comfort - Shockpad Underlayment - Ideal for Decking or Concrete - (6 TUBES) Astro Pro Green Seaming adhesive for astro turf 310ml tube - professional elastic hybrid seaming adhesive for artificial grass --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/650070828-grassflow-artificial-grass-underlay-1m-x-10m-roll-10mm-thickness](https://www.desertcart.pt/products/650070828-grassflow-artificial-grass-underlay-1m-x-10m-roll-10mm-thickness) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*