... 10,500tufts/sqmYarn Weight(g/m²):1200(+-5%)Drainage hole diameter(mm):5Holes/m²:50Total Weight (g/m²):2,300Primary Backing:UV ... :UV Resistant (PP) 90g/m²Coating backing:Latex+rubber Styrene-Butadiene Basis, 700g/m²Osmosis:1600L/H/M²Total height(mm):52mmRoll Width ... (m):4,2,3.75Installation:filling With rubber ...