hiwe need frp grating 68% hole-opening rate frp tree grating with promotion frp gratingApplication:Walkway, platform, trench cover,etc.Surface Treatment:Smooth and Pebbled, anti-slip, anty slipTechnique:Pultrusion or moldedDimensions:RequirementColor:Regular Color,Yellow; Green;GreySize:1220mmx3660mmThickness:Regular thickness is 25mm,30mm,38mm,40mm,50mmCertificate:ISO9001,SGSProduct Type:fiberglass walkway gratingMaterial:Fiberglass Reinforced PlasticName:FRP GratingFeature:Corrosion Resistance;light weight;Excellent load abilityProduct name:frp tree grating with promotion frp grating price Show More