Get this great custom made wooden floor kit, guaranteed to fit perfectly in your new trade tested shed. manufactured locally and made from fsc certified new zealand pine, this great kit comes with everything you’ll need to create the perfect foundation and floor for your awesome new shed.. Flooring. related categories: workshops (5) garden shed wooden floor kit 1.55m x 3.07m . pre-order now, new stock arriving 17 jan. $279. add to cart. garden shed wooden floor kit 3.07m x 3.07m . in stock. $519. add to cart. garden shed wooden floor kit 1.55m x 1.55m. In this video we look at part 1 of building a shed, building the floor. while building a shed for under $250 sounds impossible, with enough thriftyness we should be able to pull in off! make sure.