The 20 pcs galvanized steel roofing panels are designed for versatility and durability. These rust-resistant, weatherproof materials are perfect for both outbuildings and carports, or for building a roof over a deck or patio. The heavy-duty construction ensures long-lasting performance, while the quick and easy installation process allows you to create a secure and stylish shelter in no time. Made from high-quality, galvanized steel, these panels are resistant to corrosion, so they can withstand even the most challenging weather conditions. With 42.52 inches in length and 16.77 inches in width, they provide ample coverage for various building projects. Whether you're building a new roof or repairing an old one, these metal roof sheets are sure to meet your needs.