Construction and Warning Roll Construction Roll Low density polyethylene roll – Plain or Printed Used for concrete pouring and construction works thickness: Up to 250 Micron width: up to 4500 mm. Printing: (1-8) color Roll colour: As per customer requirements Warning Tape Low density polyethylene Block or pieces as per customer requirements Usage: Under and above ground (Thickness - Width - Roll Color): As per customer requirements Printing: (1-8) color