close up view of grey folding roof and chimney on waterproofing layer of house under construction

abstract addition aluminium architecture asphalt background black blue build building cladding coated coating commercial construction contemporary corrugated cover design detail diagonal energy exterior fix flat fold folded folg gable gray grey gutter guttering home house improvement industrial industry insulation iron material metal metallic modern new painted panel rabbet rain repair residential roof roofer roofing rooftop safe safety seam shed sheet shingles shiny site sky steel structure surface texture tile tiles tool top urban wall water waterproof waterproofing wave weld work