Once you've set up the polycarbonate wall panels for your greenhouse, you need a way to properly secure them. This 8-foot aluminum outside corner trim makes the building structurally sound while forming a weather-tight seal. Our 90-degree metal corner trim is lightweight, rustproof and corrosion-resistant. The offset grooves make it easy to abut panels at the corner while covering the joint on both the exterior and interior, improving insulation and safety. Follow the diagram and instruction PDF below to install metal outside corner trim with 8mm twin-wall or corrugated polycarbonate panels. They're an excellent way to finish panels for greenhouses as well as enclosed patios, sheds and other structures. We sell aluminum corners for siding in packs of four - one for each building corner. Create a custom polycarbonate greenhouse using durable aluminum corner trim. Polycarbonate Aluminum Corner Trim Features: 8-foot sections For use with 8mm polycarbonate panels only Pack of four Installation Profile Panel Installation Installing Polycarbonate Panels (PDF)
