Casa Santos Materiais is a construction supplies retailer with 50 years of history in Curitiba, Brazil. The company serves customers undertaking building, renovation, repair, and home projects, offering a broad selection of materials and practical products alongside specialized customer service. Its catalogue includes construction tools and hardware, electrical and hydraulic supplies, paints and accessories, lighting, doors and windows, bathroom and kitchen fixtures, and cleaning and organization products. Shoppers can also find gardening, camping, barbecue, and leisure items, as well as selected household appliances and electronics.

Product examples featured by Casa Santos include power tools, hand tools, safety equipment, wheelbarrows, water tanks and fittings, showers, electric faucets, doors, spray coatings, lamps, and painting kits. The retailer’s online store provides account registration, order tracking, a shopping cart, and product purchasing, with some items showing payment options such as instant-payment discounts or installments. The site also advertises a coupon offering 5% off a first purchase.