Piotr Audycki
More ideas from Piotr
Fast Stairs - Canadian company that sells 'Stringer' stair DIY kits - you select the model based on the height/space and you supply the treads

Just add steps* to our stair stringers to get 2 ½ to 13 ft solid stairs ready to install in less than 1 hour! 32 models to choose from!