1-3/4" Bulb Seam

The S-5! Z Clamp is specially designed for “bulb”-shaped standing seam roof profiles, such as Zip-Rib®, BEMO, Kalzip®, and similar configurations having rounded seam lobes. It accommodates bulb-seams up to 7/8″ (22 mm) in diameter. The Z Clamp is constructed as a two-piece unit so it can be installed anywhere along the rib without disturbing the seam’s anchor base. It features two round-point Torx-T30 stainless skeleton setscrews that grip the seam without penetration, preserving roof coating...

The S-5! Z Mini Clamp is an economical, non-penetrating clamp designed for use on round “bulb” seam roof profiles such as Zip-Rib®, BEMO, Kalzip®, and similar. It fits seams with bulb diameters up to 7/8″ (22 mm). The clamp is a shorter version of the standard Z clamp and uses one round-point Torx-T30 stainless steel setscrew instead of two. The M8 bolt for accessory mounting is not included in the Z Mini version. Ideal for lighter rooftop accessories such as signage, conduit, cable trays,...

The S-5! R465 Mini Clamp is a smaller, lighter version of the standard R465 Clamp. It is designed specifically for bulb-shaped, snap-together standing seam roof profiles like the Butler MR-24®. The Mini version provides a reliable, non-penetrating hold without compromising the roof’s warranty or structural integrity. With a reduced size and single setscrew, the R465 Mini is intended for lighter-duty applications such as mounting signage, lighting, satellite dishes, or conduit. Made of...

The S-5! R465 Clamp is designed to attach to bulb-shaped, snap-together standing seam roof profiles such as the Butler MR-24® and similar panel systems. Its unique geometry provides a secure hold without roof penetration, maintaining roof warranties and integrity. Built from high-strength aluminum with stainless steel hardware, the R465 Clamp is suitable for heavy-duty applications including snow retention bars, PV mounting systems, and other rooftop utility attachments. With proven holding...