Faux Boulders and Outcrops: How to Make Fake Rocks with Spray Foam - Spray Foam Kit Supply

Need some rocky props for a play or movie set? Want to add some rugged landscaping to your yard on the cheap? Craft your own faux boulders from spray foam

Dekorra 24-in W x 42-in L x 21-in H Well Pump Cover in the Well Pump Covers department at

How to Make a Fake (but Realistic) Rock Cave! : 7 Steps (with Pictures) - Instructables

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Fake Boulders- how to make rocks

How to Make Faux Rocks : 9 Steps (with Pictures) - Instructables

Tru Pac X Mortar Convert Kit

6 Methods for Creating Beautiful Enclosure Backgrounds – The Bio Dude