For the floor, you’d better choose a light colour material with as little reflection as possible, such as vinyl flooring roll or stick floor tiles. The colour you can pick is pure white or light grey. You’d better choose the floor cover without patterns because the projector will cast light on it. Note that there are no requirements for materials. You can select any materials which are being sold in your market. You need to comply with the above conditions.
This is the material we use for our projection floor：