Box Gutter Expansion Joint Spacing

Note that gutters require expansion joints at 40 centers.

Box gutter expansion joint spacing.

Maximum allowable length between expansion joints with one end fixed. Most new box gutters these days are made of either copper or stainless steel although many old box gutters were made of terne coated steel. Expansion joint galv 24g 8 box kynar finish. In this example your maximum spacing of downspouts should be 40.

Box gutter expansion joint from aztec are placed over the two box gutter joints. By reducing the downspout spacing to perhaps 35lf you could use a 6 gutter with 9 4 x6 downspouts in lieu of an 8 system. The spacing of the expansion joints depends on the size of the gutter and thickness of the metal but a general rule is that an expansion joint should be included about every thirty feet. The depth shown in the calculations is at the upstream end.

An invaluable inspection resource for owners of standing seam batten seam or bermuda type roofs. Required gutter slope 1 40 to 1 200 there is always some confusion as to how the slope affects the overall depth. And with our box gutter expansion joint vibration and expansion are not a problem. Recommended hanger spacing is 24 on centers.

Therefore any slope on the gutter will make the downstream end deeper or the flashing longer. Available in 9 width by 12 33 and 50 lengths box gutter expansion joint comes with a 20 year warranty and the peace of mind you get with all marco quality products. Copper aluminum zinc and galvanized steel. Presents practical troubleshooting and corrective tips for typical problems of roof panels gutters downspouts fascia copings flashing ridges and hips valleys expansion joints penetrations fasteners and soldering.

They are designed to expand and contract with at the box gutter joints without allowing cracks or leaks.