OmniDeck 1.8m x 0.9m x 38mm Ground Guards Ground Product Details. Overall Size: 1.8m x 0.9m x 3.8cm. Surface Size: 1.67sqm. Surface Area: 1.67sqm. Weight: 24.9kg (HD) / 16.3kg (LD) Material: HDPE. This loading guide is for firm, dry ground. If the weather is likely to turn wet, or the job duration is []