How Do You Maintain Plastic Guttering?

  • January 5, 2016
  • Other

Guttering is a common practice for rainwater harvesting from roofs and channeling of surface water. Plastic gutters are common in modern homes. It involves the installation of gutters made from corrugated plastic around the roof edges for water collection and channeling. The advantages of using plastic gutters include easy installation (because the materials are simple to join and light in weight), cheaper than metal gutter systems, easy to maintain, durability of the system even under harsh climatic conditions, flexibility, and the adaptability of plastic gutters to suit different homes. To get maximum services from plastic gutters, proper maintenance practices are required. Here are some of these practices.


Prevention of gutter blockage

Preventing gutter blockage is a crucial maintenance practice. Gutter blockages may prove expensive in the long-run because they may lead to leakages and water logging around a house. The following methods prevent gutter leakages.

i. Mesh installation on downpipes

Downpipes channel water at a ground level, to common tank or reservoir. Installing plastic caps fitted with a wire mesh helps in trapping dirt and hence preventing a blockage. Guttering systems with mesh wire have less blockages risks and are easy to maintain.

ii. Cleaning of down pipes

Proper cleaning of the downpipes is another important plastic gutter maintenance practice. Downpipes get blockages from debris and dirt particles that pass the guttering systems mesh. When cleaning a downpipe, do not push the dirt down as this might compact it causing a total blockage of the pipe. Instead, use a thin steel pipe or wire to disintegrate the dirt. This makes it simple to pass the debris through the pipe.

iii. Cleaning gutter blockage

Gutters get blocked by the collection of sand and leaves from the roof surface. Cleaning of the system is, therefore, important as the build-up dirt may cause a blockage. System blockage might in turn cause water leakage into inner and outer walls of the house. Plastic gutters should be cleaned by scooping the dirt off with a light tool, to avoid cracking the plastic.

Correction of sagged gutters

Sagged gutters are caused by overload of pipes especially during the heavy rain seasons and faulty screws or loose joints. Plastic gutter systems are slightly flexible compared to metallic ones. This is because they are made of pvc corrugated plastic sheeting material that is lightweight, bendable and flexible. However, checking excessive sagging of pipes is important to prevent breakage and cracks. Sagging can be corrected by changing pipes, provision of support and fixing of the faulty joints.

Cracks and joint leakages

Gutters made from pvc corrugated sheeting wear with time, especially if exposed to excessive temperatures. This causes cracks along the gutters. Checking for gutter cracks helps in prevention of possible leakages when the water is flowing. Cracks can be fixed by replacement of brackets and application of mastic sealer. Joint leakages are corrected by ensuring correct alignment of joints and replacement of gaskets if they are worn out.


Unlike the metallic gutters that rust, plastic gutters do not require painting as they do not rust. Plastic gutters come in different colors that blend with your home theme.

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