How To Form A Box Gutter

Many people automatically think of lead for linings.

How to form a box gutter.

We use lots of sketches and photos in our building surveys. The outlet of the box gutter may be blocked by debris or the box gutter outlet simply cannot discharge the water fast enough. I fitted support struts between each set of rafters underneath to offer the board maximum support. Build the forms with 2 by 12 boards for the back of the curb and 2 by 6 boards for the front of the curb and front edge of the gutter.

Coat form boards with cooking oil or similar material to prevent concrete from adhering to them. Stand the boards on edge and secure them upright with wood stakes driven into the ground with a hammer behind them. I was up there today and with a 2 6m linear run the width of the gutter at its highest point would be around 2 feet which is shed. If the box gutter has no overflow provisions this causes a waterfall over the sides of the box gutter typically running down the walls.

He mentioned 18mm ply stepped every 1 5m and with a 1 in 40 fall. Roof carpenter told me it needs a box gutter before claiming to have flu and is now onto another job what is the best way to form this gutter. Box gutter sketch how to do it right. I then added boards up the rafter line on each side to form the gutter.

I taped the joints ready for the next stage.