Learn how to effectively use sponge floats after plaster application to eliminate trowel marks. Explore the benefits and types of sponge floats for your projects. When to use: Use a sponge float after the plaster is applied with a metal trowel, but before it's fully dry. How to use: You can use a water brush to dampen the surface before using the sponge float. Benefits: Sponge floats can help remove trowel marks and air pockets from sprayed plaster. Types of sponge floats: There are different types of sponge floats, including coarse sponge floats, orange rubber sponge floats, and sponge floats made with different foam options. Check out our entire range of products on our online platform or chat with us on our WhatsApp 24/7 chat commerce assistant. Client : Supply for RSPM property management Project : House construction 24/7 Chat commerce assistance: +918217869982 Buy retail. Pay Wholesale.