Professional Notch Trowels are used to spread adhesive or mastic on the base surface before laying a Hardwood floor. The trowel's notch style and size help control the depth and amount of adhesive applied. These Notch Trowels are made with an aluminum mounting which is attached to a hard-tempered steel blade. The handle is straight and smooth, making it ideal for contractors and installers. Professional Notch Trowels Come in Different Sizes and Shapes. All Notched Trowels in stock. Notched Trowels ship to your door.