"That means you don't have to pull out the last six feet manually, which gives you a better adjustment, less tightening down and results in a better gutter."įor commercial installations, he relies on a Knudson KR 60 model 6-inch machine, which can run up to 0.032 gauge steel and up to 0.040 gauge aluminum gutter coil at 50 feet per minute. Miles maintains their best feature is that both the bottom and top set of rollers on each machine are chain driven. At around $6,000 apiece, each is capable of producing 35 feet of gutter per minute. His installers operate six Knudson 1770A 5-inch machines, which produce Old Gothic (O.G.) or K-style straight-back gutters and hook gutters. Miles is both a distributor for Knudson Manufacturing Inc. For contractors looking for new sources of revenue, adding gutters to their repertoire is one viable option that can boost business in a variety of specific markets. Gutter machine manufacturers point out that the savings over the cost of purchasing pre-manufactured gutters from a subcontractor or supplier can pay for a machine in less than a year. With proper use and care, they will generally last 15 to 25 years, and some manufacturers claim a life span of 30 years or more. The initial cost of a gutter machine is tempered by its high durability and low maintenance. Gutter machines range from basic 5-inch K-style gutter maker to 5-inch and 6-inch combination machines to premium 6-inch half-round gutter machines and commercial 7-inch models. Portable gutter machines allow contractors to custom-manufacture seamless gutters on site, lowering material and labor costs while increasing productivity, versatility and visibility. (Photo courtesy of Kearns Brothers Inc.) Contractors looking to close a sale, add profit to the job, and ensure a clean, crisp roofline are looking in the gutter. Serves as a rolling billboard to advertise your services. The fixings are located in pre-drilled holes in the fixing brackets and driven through the back of the gutter into the fascia.Operating a gutter machine from a trailer provides weather protection and storage space.The gutter is positioned and fixed with 4mm diameter, 30mm long stainless steel, self tapping screws.At the downpipe positions in the gutter a hole is formed using a Q-Max cutter into which a low-density polyethylene outlet/leaf trap is fitted and sealed with mastic. The corners and connectors do not require mechanical fixing and allow for thermal movement.Connector expansion joints are installed in the same manner.Corners are formed by mitring the ends of the gutter lengths and connecting with a two-piece polycarbonate locking corner fitting, which is then sealed with a specific sealant and secured with stainless steel screws.The formed gutter is cut to length and a stopend fitted to the remaining open end.Aluminium fixing brackets are clipped into position at centres not exceeding 450mm as roll-forming is continued. Roll-forming to the exact gutter length is then completed.The completed fitting is sealed inside the gutter with at least three beads of sealant, minimum diameter 7mm. The end cap is pressed home activating the internal slotted securing clips to fully engage over the fixing nib, ensuring a non-removable fitting.The gutter is crimped centrally near the edge of the rear, front and base to create raised fixing nibs.An initial 1m length of the gutter section is roll-formed and the process stopped for an end cap to be fitted to the open end.An exact measurement is taken of the length of gutter required, noting the marked positions of the downpipes. ![]() Downpipes are positioned and marks corresponding to their centres are made on the fascia board.
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