How to build a storage shed, free gable shed plans, pictures with instructions. d-i-y backyard projects. Shop heartland (common: 8-ft x 8-ft; interior dimensions: 7.58-ft x 7.36-ft) belmont gable engineered storage shed in the wood storage sheds section of lowes.com.. Our kids just love our new heartland playset. it’s one of the best purchases we’ve ever made for our family. greg n. – northville, mi. the 8×8 belmont gable shed had.