When it comes to guttering, you can save yourself some money by taking part in a little DIY, however you must ensure you research the best practice for installing your guttering as otherwise it could end up costing you more money than originally planned. Today we will be sharing our tips and knowledge on how to install guttering.
When planning your guttering installation, you must allow for some room for expansion that can take place in warm weather so plan out a gutter insertion depth mark. Use this depth mark as a guide to allow at least 5mm on each gutter length joint. Begin with fitting the outlet to the guttering so you can connect it to the downpipe. The outlet will be positioned directly on top of said downpipe.
Depending on the positioning of your drainage points you may have stop ends at the end of each gutter run with a running outlet placed centrally or stop end outlets at either end with the high point of your gutter run in the middle.
Step 1: Fit a fascia bracket to the fascia board at the opposite end to the stop end and put it near the top of the fascia board, leaving room for expansion. The guttering needs a fall or slope to enable the water to flow, and this should be 10mm for every 6m length of gutter.
Step 2: Mark out and fit the outlet using a plumb line, holding it directly over the drainage point. This must be no further than 50mm out from the roof tiles.
Step 3: Once these two parts are in place, you can then draw a straight line (or use a string line) from the outlet point to the stop end as a guideline for the other fascia brackets.
Step 4: Next, mark up the positioning for the other fascia brackets and space them out leaving no more than 1m between them or no more than 150mm from any other fitting or union. Your outlet may be in the middle of the gutter so repeat the above steps on either side, not forgetting the fall or slope of the gutter run.
Step 5: Then it’s time to fit the other fascia brackets along the line and add the stop ends to the first piece of guttering and so clip the first gutter length in the fascia brackets.
Step 6: Connect a union bracket to the other end of the first gutter (on the opposite end to the stop end) and then attach the next length to this and carry on this process until you connect the guttering to the outlet and downpipe length. Use a stop end after the outlet to complete the gutter run. If the last length is too long then use a hacksaw to cut it to the correct length.
Once these steps are completed, it is then time to install the downpipes. The installation technique is similar to the guttering however it is fitted vertically.
Step 1: Using a spirit level, draw or mark out a vertical line with string from your outlet to the drain.
Step 2: Measure the points for the downpipe clips and mark with a pencil no more than 1m apart all the way down the wall. Drill a hole where you have made the marking and insert wall plugs into the holes.
Step 3: Begin by fitting your first length of downpipe starting at the top where the outlet is – ensure you leave a 10mm gap between the outlet and socket for expansion during warmer weather. Once the first downpipe is connected to the running outlet, screw the downpipe clip into the wall plugs to ensure they are securely fitted in place. If you require your downpipe to curve around a soffit board, you will need to use two 112 degree offset bends. Attach the first bend to the outlet pointing downwards and then attach a piece of downpipe cut to the desired length which will connect to the other offset bend. Attach the bend so that it returns the downpipe vertically and into the next downpipe section, forming an S shape.
Step 4: Continue attaching the downpipe lengths and continue to attach them with clips all the way down the wall until you reach the bottom. You may find that you will need to cut the last length if it is too long.
Step 5: Connect a shoe to the last downpipe to send the water in the correct direction into an open gully securing it in place with a downpipe clip.
If you don’t clean and maintain your guttering you could end up with clogged or damaged gutters which can create problems for your home. If water gets into your home due to a broken gutter or downpipe, you may find that mould, condensation and damp develop which can be costly and disruptive to repair.
It is super easy to clear a blocked gutter – simply take a garden trowel or a piece of wood and scrape away any debris or leaves from the guttering to allow the water to flow correctly again. To ensure the path is clear, use a bucket of water to check that the water flow is back to normal.
A blocked downpipe can be slightly more complicated to clear as you will need to buy a plumbers snake or drain rod to clear the blockage. Use the tool to push any debris towards the bottom of the downpipe and put a bucket at the bottom to collect the debris – be careful not to let it go down the drain!
We recommend you check your gutters and downpipes every few months just to ensure there are no blockages, as catching it early will make it much easier to control.
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