The line of Clamp-Together duct from Kirk & Blum (www.kirkblum.com) now is supported with free 3-D design software to ensure system performance and easy installation. K&B Duct provides free 3-D designs, working from simple hand sketches. A project inventory of all standard and special parts then is developed. At a customer's request and for no additional cost, components are boxed and marked with sections/segments packed together for efficient staging at the job site.

Assembled with the lifetime-guaranteed Forever Clamp, the duct is available in galvanized or stainless steel in one-inch diameter increments from 3 in. to 24 in. Accessories include in-line mist accumulators, industrial-grade blast gates, swiveling ball joints, sweeps, hoods and all other components required for a complete system. Clamp-Together duct is applicable to any negative-pressure ventilation system up to 40-in. water gauge with entrained dust, sand, fumes, mist, smoke, chips or trim scrap. Higher pressures can be accommodated on request.

Clamp-Together duct ranges from 24 gauge to optional 10 gauge thickness in galvanized and stainless steel with numerous options. The rolled lip on the duct and fittings acts as a stiffening ring to enable Clamp-Together duct to withstand higher pressures than spiral or standard rolled duct.