I don't know what kind of sorcery Ikea came up with to create wood that fits together like a jigsaw mat but it's amazing and has solved my outdoor patio problem in
RUNNEN dark grey, Floor decking, outdoor - IKEA
Which Ikea 'RUNNEN' patio flooring will last well in snowy winter : r/IKEA
RUNNEN floor decking, outdoor, beige, 0.81 m² - IKEA