
Firepit Concrete 4-Foot Diameter Molds - Boulder Random Rock
Firepit Concrete Liner Stamp - 4' Boulder Random Rock Sold as a single liner, @ 14" x 75" This Boulder Firepit Mold is designed for 2 of these liners to fit perfect inside a 4' Sonotube. We also have this Boulder style in a shorter form (sold here) liner that 2 of them will fill a 3' Sonotube! PLEASE NOTE- For reference, the pictures shown here are of the smaller 3' Firepit forms. If using these 4' forms, your firepit will be larger scale- If you buy these forms and want to send us some finished pictures, that would be great! Stacked Stone rubber form liner for making concrete firepits and seatwalls. Aggressively textured boulder style stones. Super simple to use to make a concrete firepit: Just get a 4-foot Sonotube (from your local construction supply store), and get TWO of these liners and they will fit inside it. To create the inner ring of the firepit, you can use something as simple as a garbage can filled with water (so it doesn't move!) Size Dimensions of Firepit Concr