Sigma 26 (Gen III) Accessories the Terra 41 can be

the Terra 41 can be set up with or without a traditional foundation using special frame endings or cleater angles

virtually unbreakable sheet

allowing you to harvest fresh fruits and vegetables well into the colder months

LEXAN™ THERMOCLEAR™ 15 16mm triple wall polycarbonate sheet provides an outstanding balance of impact strength

Sigma 26 (Gen III) Accessories the Terra 41 can beThe Sigma 26 (Gen III) was designed with a focus on spaciousness and stability. This greenhouse is perfect for 3 or 4 seasons of growing, allowing you to harvest fresh fruits and vegetables well into the colder months. Our Sigma greenhouses are built to last, featuring a rounded design and creative construction that brings heavy duty greenhouse engineering into your own backyard. Exact size: 118. 1 x 83. 9 x 315. 7 inches The end to end airflow,