BIPV/PV Homepage > Defect Library > Green Building Technologies > BIPV/PV Navigation Introduction Defects Good Practices Maintenance and Diagnostics Remedial References Defects of PV Dirt Staining Discolouration of Solar Panels Dust Accumulation Cracking of Solar Panels Sealant Stain Rust and Delamination Microbial Growth Defects of BIPV Low Efficiency in High Temperature Dust and Staining Water Seepage: Deterioration of Façade Joints Water Seepage: Corrosion of Sealant Back to Previous Page