Home Remodeling Is Our Specialty HAMMER DOWN CONSTRUCTION IS A PREFERRED REMODELING CONTRACTOR IN THORNVILLE, LANCASTER & COLUMBUS, OH. WE SERVE ALL SURROUNDING AREAS. Need an experienced, reliable home remodeling company? Turn to Hammer Down Construction. We're a knowledgeable remodeling contractor with over eight years of experience, and we're known for our excellent customer service. You can rely on us to provide you with high-quality remodeling services. We also build custom wooden and composite decks. When the weather warms up, it's the perfect time to have a new deck built. Contact us today to get a free estimate.