Guttering and Spouting Supply and Installation Australia

Guttering Spouting Supply Installation


Australia gets its fair share of rainfall, making guttering and downpipes essential features to any structure.


Guttering helps run rainwater to the downpipes and away from the structure. Guttering is installed directly below the drip edge at the top of the wall just under the roof. Guttering and downpipes stave off water damage to walls as well as foundations.

Guttering types range from the conventional quad gutters with exterior brackets that are found on older homes, to contemporary square and half-round styles attached to steel fascia via suspension clips. Whatever type it is, the guttering should conform to the house, typically in a color matching the roof and facade. The kind of system depends on the flow speed needed to cope with the quantity of water run-off that spills from the roof. A large roof generally needs bigger guttering and downpipes.

Guttering and Downpipes 101


  1. Calculate and measure the perimeter of the house where the guttering is to be placed. Get the sum of the total linear feet of each side to establish how many pieces of gutter will be required for putting in. Get the square footage of the roof. The formula is multiplying the width by the height to get the roof’s square footage specifications. The bigger the roof, the wider the guttering that will be needed for the rainwater to properly drain. If there is a Uniform Plumbing Code available, refer to it for suggestions based on roof size.
  2. Make a chalk line in a straight line across the eaves of the roof where the gutter will be put in. Go down .5cm for every 3m of span and draw another line to figure in the essential slope across the entire roof. Draw a diagonal line from the top corner of the first line to the bottom corner of the second line. This is the angle the gutters will be installed on.
  3. Put in place a bracket into the guttering 15cm before the end and every foot-and-a-half down the initial gutter. Align the initial gutter at the start of the house along the second chalk line.
  4. Drive in a screw through the initial bracket and into the eaves of the structure. Next, go to the second bracket and drive in a screw there too. Proceed down the gutter attaching screws to all of the brackets with the gutter screws.
  5. Overlap the next gutter by approximately 5cm and attach it the same way that the initial one was put in. Link all of the other gutters on the first side of the structure in the same method until getting to the end. Cut the guttering to size using tin snips. Now screw in little miter joints at the points that each of the gutters overlaps to hold the gutters in place so they don’t budge.
  6. Put in gutters on the additional sides of the house and go on along each side until all of the guttering has been installed. Fasten an end portion to the guttering at the end of the house, overlapping it over the gutter and fasten it with a miter joint. Place a downpipe into the hole in the end piece. Fasten the downpipe with a screw to the end portion using gutter screws and run it to the bottom of the house. Secure the downpipe in place using a downspout band, screwing the band to the house.
  7. Structures with eaves need a downpipe offset to return the downpipe to the wall. These can be purchased with a slip joint or you can create your own.

Get ready with the lower offset first and place it against the wall to line up with the upper offset. The downpipe face must be cut with this joint.  

Now make use of a plumb line from the external edge of the spout down the side of the downpipe and make a mark. This lower mark is the centre point of the upper offset cut. The downpipe seam at the rear is cut using this joint. The next length of downpipe is used to connect the downpipe to the stormwater using a 45-degree angle.

Measure the length required to attach the downpipe inside the storm water and mark this around the downpipe. To make a 45-degree angle on the face, you must make a line half the width of the downpipe on each side of the first line and cut out until the lower offset. Now slide the bottom part of the downpipe into the upper section. Put it in making for a snug fit between the guttering and storm water. Bracket or rivet the downpipe sections at the back, then bracket or rivet the downpipe to the spout. Attach the downpipe to the wall using two brackets in addition to masonry anchors.

Guttering and spouting are simple and relatively easy to do in just about any structure. They are, however, vital parts of any building, providing the management of rainfall away from your home. Construct them well and do regular maintenance, ensuring many years of trouble-free service.