Box Gutter Sump Installation

Outlets box gutter outlets must discharge through either a rainhead or sump.

Box gutter sump installation.

Beowulf builders bringing old homes into the future this video explains how you go about installing a boxed gutter. Sump with a side overflow device sumps do require an increase in the depth of flow in the box gutter and gutters are to be fitted with either. A rainhead or sump is a container located between the gutter and downpipe that aids the flow of water away from the roof. If you have any questions about the vid.

At this stage plan the connection to the downpipe. Layout box gutters must. Establish the sump location this should be the lowest point in the box gutter. It sounds like you have an overflow situation.

Refer to hints for box gutter design marking and cutting the sump spigot mark cut sump hole dress the cut out to neatly fit to the sump decide on the position of the spigot mark and cut the hole. With building design being so restrictive on space these days this is the area where designers must think about how the roofing contractor will make the box gutter comply. Support the entire weight of the gutter and sumps when full of water as well as a trafficable load at any point in the gutter and sumps. Each box gutter run must discharge independently to ether a sump or directly out of the building without changing the size of the gutter or changing direction.

The total flow is used to size the sump and overflow. If the box gutter has no overflow provisions this causes a waterfall over the sides of the box gutter typically running down the walls. The outlet of the box gutter may be blocked by debris or the box gutter outlet simply cannot discharge the water fast enough. Rainheads are an essential design element for buildings where internal box or trough gutters are used.

The side with the maximum flow is used to size the box gutter. Overflow box gutters must have independent overflow provision discharging to the atmosphere.