GRP Water Tank Panel size: 1m*1m, 1m*0.5m, 0 ... 0.5m can combine any volume tank Thickness: 4mm~24mm GRP Modular Panel Water Tank Materials :Fiber Glass- Low alkali fibre ... or Cleat Angle Stay Roof Support - PVC Vertical Poles and GRP roof panel stiffenerSealant :Non toxic PVC foamBolt, Nuts, Washers :- ... 1x1m, 1x0.5m, 0.5x0.5m“ X “ shapeBall shape1-5mmGRP/FRP/SMC 1x1m, 1x0.5m, 0.5x0.5mBall shape4-24mm