Feb 23, 2022 · Ground Protection Mats – Our Range –. EXTREME HEAVY DUTY. For safe, temporary access across soft ground and in extreme weather nditions, our X mat is the ultimate, extreme, heavy duty mat. Panel Dimesions: 2410 x 1200 x 12mm. (Usable surface area: 2.89m²) Full Details. Panel Dimensions: 3000 x 2500 x 40mm.