The purpose of a reducer is smooth out the transition between floors of different heights. 51 x 19 mm reducer is to be used with a solid hardwood flooring, 51 x 15 mm reducer goes with 3-layer engineered flooring and 51 x 12.7 mm reducer is to be used with 3-layer Coswick hardwood flooring.

All Coswick reducers are manufactured from solid oak, ash and American Walnut. The length supplied is 2100mm. Reducers are prefinished in all Coswick colors, styles and surface finishes to create a color match between floors of different heights or to unite floorings, which are different in color.