DuraMax | Flat Roof Insulated Building Extension - 10' x 3' Greenhouse Kit Includes a heavy-duty door 31

Includes a heavy-duty door 31

Constructed from solid fir wood (which is rot resistant)

Year-Round Weather Resistance: Wind

Provides additional air ventilation

3 year warranty with U

DuraMax | Flat Roof Insulated Building Extension - 10' x 3' Greenhouse Kit Includes a heavy-duty door 31The Duramax Insulated Flat Roof Building is an energy efficient modular insulated building. Walls are manufactured with durable coil coated galvanized steel that sandwiches a fire retardant CFC Free Poly Urethane insulation. This construction provides a strong, long lasting wall that reduces heat gain in summer or heat loss in winter. It can be added to either the left or right side of a Duramax Insulated Flat Roof Building of 10' depth to extend its