Box Gutter Expansion Joint Spacing

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.

Box gutter expansion joint spacing.

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. An invaluable inspection resource for owners of standing seam batten seam or bermuda type roofs. Copper aluminum zinc and galvanized steel. Note that gutters require expansion joints at 40 centers.

8 commercial box gutter expansion joint in kynar 500 steel use an expansion joint every 40 50 lineal feet. In this example your maximum spacing of downspouts should be 40. Maximum allowable length between expansion joints with one end fixed. Recommended hanger spacing is 24 on centers.

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. Next we need to check spacing 335lf 8 downspouts 40 centers approximate. They are designed to expand and contract with at the box gutter joints without allowing cracks or leaks. 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. Aztec box gutter expansion joints are made from our signature durable rubber epdm with soft aluminum strips for fixing onto box gutters. The depth shown in the calculations is at the upstream end. Expansion joint galv 24g 8 box kynar finish.

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.