Essential structural engineering and project management tool for solar PV panel roof installations. Solar Tool is a free APP providing roof structural inspection checklist and guidance. Further, it performs rapid structural engineering assessments of the objective roof and provides installation guidelines in compliance with AS/NZS 1170 and other relevant standards. Engineering certificate is available based on assessment outcomes. Your projects in Solar Tool are traceable, manageable and editable. It helps you in writing an accurate and achievable proposal and delivering a standards-compliant and reliable final product.