Truck Roof Top Tirpal Manufacturer in Sikkim, Truck Roof Top Tirpal Supplier in Sikkim, Truck Roof Top Tirpal in Sikkim, Truck Roof Top Tirpal Price in Sikkim. Truck Roof Top Tirpal With best manufacturing facilities, we are able to export the best quality tarpaulin sheets across the globe. Truck Roof Top Tirpal sheets are used for various purposes A tarpaulin, is a large sheet of strong, flexible, water-resistant or waterproof material made of HDPE. .