moisture-resistant drywall is screwed with black self-tapping screws into a metal profile frame close-up

drywall cladding ceiling frame partition wall cradle characteristics universal sheet green blue closeup cardboard plaster dough filler humidity gypsum dihydrate lining moisture resistant comfortable practical inexpensive metal profile construction fastening assembly light layout work selftapping screws building materials stiffeners monolithic empty reinforced moisture-resistant screwed black self-tapping into close-up close-up