Deks Perform Hammer This hammer from DEKS has been specifically designed for use with DEKS lead alternative flashing. DEKS have over 15 years of experience in the manufacturing and development of a wide range of products for the construction, heating and plumbing industries, and are known for creating innovative solutions to more traditional and outdated practices. The DEKS perform hammer is perfectly shaped to aid the flexible lead alternative flashing used in roofing projects across the country. The curved shape of the Perform hammer allows corners and edges of the flexible lead alternative flashing products to be accurately and efficiently dressed down. Unsure if this is the best product for your latest roofing project? Call the team on 01752 692760 or use the live chat and they will be happy to offer product recommendations specific to your project.