4 Steps for Installing a Gutter Against a Deck
4 Steps for Installing a Gutter Against a Deck
Summary
– Step 1: Dig the trench
– Step 2: Stabilize the trench
– Step 3: Assemble the channel
– Step 4: Connect the drain
The gutter channel stormwater, especially around the house, which can cause significant damage.
A gutter for a pedestrian crossing consists of a body of synthetic material laid at the bottom of a trench, made up of:
– 1 m long elements, usually with a 10 cm square section, covered with a steel grid, and assembled by male/female interlocking;
– elbows for the corners (if existing);
– an obturator to be fixed on the last element;
– an obturator to be fixed on the first element and comprising an outlet for evacuation.
In the case of a gutter bordering a terrace, it is recommended to foresee a draining slope between 0,5 and 1 cm / m, according to the quantity of water to evacuate.
Here are a few steps to install a gutter around your terrace.
1. Dig the trench
– Locate the place where you will make the connection with the drainage system of your house.
– Mark the location of the gutter around your deck with a line drawn between wooden stakes, and mark the path to the drainage system.
– Estimate the number of elements you will need to assemble to make your gutter.
– Dig a trench 15 cm deep and 20 cm wide with a spade (for a 10 × 10 cm channel).
– Start at the furthest point of the connection.
– Level the bottom of the trench with your foot.
2. Stabilize the trench
– Prepare concrete by mixing 1 part cement to 4 parts sand/gravel mixture with a trowel in a mason’s trough.
– Pour this concrete into the trench.
– Spread it as best you can over a thickness of 5 cm, this height is important to respect, the gutter once installed should ideally be 5 mm below the level of the terrace.
– Use the mason’s rule and the spirit level to level the channel, taking into account the slope (the rule measures 2 meters, the difference in height must be 2 cm).
3. Assemble the channel
– Place the channel elements at the bottom of the trench, mark the cut line of the last element to adjust it to the total length.
– Take the elements out of the trench.
– Hacksaw the last element on the reverse side.
– Attach the stop plug to the last element and the exit plug to the first element.
– Assemble the elements in line: fit them together and apply a bead of silicone sealant around the edges for a better seal.
– Install the grates as planned.
– Place the channel in the trench.
– Check the slope, adjust if necessary by sliding wedges under the elements.
– Fill in the spaces along the channel with concrete and a trowel.
– Smooth its surface.
– Do not overflow on the grates, they must be removable.
4. Connect the drain
Connect to your main drainage system using pipes and elbows:
– Allow for a slope of 2 to 3 cm / m.
– Bury the pipes at least 60 cm away from a car passage.
– Indicate the presence of this evacuation with a warning grid.
Depending on the configuration of your premises, this connection may require a somewhat heavy implementation, therefore specific equipment. Contact a professional who will apply the standards in force and will know how to protect your lawn.
Note: you can also choose to connect it to a rainwater collector.
Equipment to install a gutter against a terrace
Spirit level
2 m aluminum ruler
Chalk line
Spade
Cement
Gravel
Trough
Hacksaw
Silicone sealant
Trowel
Security fence
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