SierraPine is a privately-held composite wood products company specializing in the production of medium density fiberboard (M ... DF) and particleboard. Through strategic acquisitions, SierraPine has grown into one of the major producers of composite panels with an annual capacity of nearly 1 billion square feet. SierraPine has built its reputation around leadership in new product development and process innovation. SierraPine’s commitment to the environment has been best characterized for its line of formaldehyde-free products and has recently developed new sources of sustainable fiber. Our experience in green building and our other environmentally sound practices position us well to serve the growing demand for sustainable building products. Experience what we can offer you read more