Click here to buy PVC Sheet. PVC Sheet is one of the most widely known and most popular materials available to customers today. Within this category there is an engineering grade which is known as industrial grey PVC Sheet which is the most popular within the fabrication and engineering industry. This material is the most commonly used when it comes to producing tanks, vessels and ducting because of a number of reasons and one of the most important reasons is that it is very economical. PVC Sheet has a more modest price due to its use of petrochemical by-products and very efficient manufacturing facilities. Another important reason for its popularity is its ease of fabrication. PVC Sheet can be simply formed with modest localised heat and re-formed as required. It can also be bonded very successfully with common adhesives and also welded to form strong fabricated components using inexpensive heat welding equipment.