Alternating tread spiral staircase after 1 night + 1 day build time
"Spiral staircase" was a dream feature for our tiny cabin. But is it possible? A standard spiral staircase has a diameter of about six feet making it a bad fit for this tiny space. Lots of tiny homes use ladders, ship's ladders and homemade stair/storage combos to access the loft without taking up valuable floor space.
Solution: the Arke Karina staircase kit with alternating trades (also called "paddle stairs"). Alternating tread stairs allow