Supplies for 2 DIY Pipe Shelves (affiliate links used): 4 pipes cut to size (1-inch diameter); 4 caps (1 inch); 4 Galvanized Floor Flanges (1 inch) <– this is where most of the cost comes from (almost $10 each) ; Wood cut to two equal shelves… DIY Wood & Iron Pipe Shelf Introduction. 8 x 3/4″ diameter 24″ Black Iron Gas Pipe; 32 x 3/4″ diameter 16″ Black Iron Gas Pipe; 20 x 3/4″ diameter 15″ Black Iron Gas Pipe These DIY industrial pipe shelves are everything. Fascinating that the Wall Standoffs are forward facing, and Shelf Supports rear facing. To add some visual interest to the two tier shelf that I wanted I decided to use black iron pipe … Whether you are looking to fill an empty wall, create a fun storage option, add rustic charm to a kitchen, office or family room, these industrial pipe shelves … I’ll be including the exact measurements and materials I used to build my gas pipe shelf – make sure you are certain that this will fit in your home, or adjust the measurements for the size you need. An intricate and interesting approach to shelf display using Cast Iron Pipe Shelving. Still based upon Cast Iron Pipe… Making a shelf can be one of the most simplest DIY projects one can make, but when you add in a bunch of iron pipe and fittings it can get interesting. Do-It-Yourself Cast Iron Pipe Shelving Concept.