5 Factors That Are Clogging Your Drains and How to Avoid Them

Name: Blocked Drain Sydney
Brand: Sydney Blocked Drains Plumbers
Rating: 5 (3 reviews)

Posted by Sydney Blocked Drains Plumbers on 22 Nov 2025

Blocked drains are a common problem that can cause a lot of inconvenience and frustration. They can lead to unpleasant odors, slow draining water, and even sewage backups. Understanding the common causes of blocked drains will help you prevent them in the first place.

Blocked drains can be caused by many reasons and, if left untreated, can cause costly damage to your home or business. Here are five common causes of blocked drains and how to prevent them:

1. Foreign objects

Blocked drains can be caused by foreign objects like hair, food particles, soap residue and paper products. These substances stick to pipes and block water flow.

To prevent these blockages from occurring:

Dispose of cooking oil in the trash and not down the drain
Avoid pouring leftover food debris or coffee grounds into the sink
To prevent hair accumulation, install drain covers in bathtubs, sinks, and shower stalls
Toilet paper should be used sparingly when flushing

2. Tree roots

Tree roots often grow toward water sources such as cracked pipes or pipe joints where they can infiltrate and eventually cause a complete blockage within the pipe.

To prevent tree root intrusion:

Hire professionals to properly install pipes so they’re level
Avoid planting trees next to sewer lines

3. Grease buildup

Blockages can be caused by grease buildup. Hot grease is often poured down the kitchen sink. It’s liquid form allows it to escape from dishes, but it congeals quickly once it cools and gets deep within your pipes, causing blockages.

To avoid grease buildup in your kitchen sink dispose off all greasy wast like cook oils via trash bin instead pouring it down into your kitchen drainage system.

4. Structural damage

Blocked drains can be caused by cracked or collapsed pipes, whether they are due to weather changes or age. The following are signs of pipe damage:

Slow draining water
Multiple blocked fixtures
Mold growth
Foundation cracks

To prevent structural damages:

Get your sewer lines inspected regularly with the help of CCTV inspections so that professional repair company could detect any issues and fix it immediately.

5. Incorrect pipe installation

Bad pipe design or incorrect installation can cause blocked drains. It is possible for large debris to build up in unreliable areas, causing blockages.

Hire professionals to install pipes correctly and make sure they meet all standards.

Conclusion

If left unattended, blocked drains can cause serious problems. Be proactive about preventing blockages by taking preventative measures, hiring professionals for regular maintenance checks, following plumbing code requirements during constructions, placing catch baskets on screen traps in sink an drain shower outlets to capture any debris before it reaches the drainage system. Take care of your pipes today to ensure that they remain clear tomorrow and in years ahead.

Key takeaways

Here are some essential things you should remember after reading this article:

Foreign objects like hair, soap residue, paper products and food particles are common causes of Blocked Drains.
Tree roots growth toward water sources such as cracked pipes causing complete blockage within a pipe.
Grease buildup deep inside your pipes causes stubborn clogs leading ultimately leads to Blocked Drains.
Cracked or collapsed pipes caused by weather, age or ground shifts can cause structural damage that impair smooth water flow.
An incorrect installation of pipes can leave tight bends that are susceptible to large debris, causing accumulation blockages. from the wastes that are going through the drainage system.
Instead of waiting for an emergency, hire only certified plumbers for routine check-ups.
Follow standard local plumbing codes during construction.
Place catch baskets on screen traps at outlets to capture any debris before it reaches the drainage system.