The essence of efficient drains plumbing can't be overemphasized, especially in urban and suburban homes. In recent years, numerous technological advancements have revamped the sector, introducing innovative ways of managing blocked drains. This report extensively deals with the new-age techniques that have emerged in the plumbing industry for resolving blocked drains, their effectiveness, advantages, and potential disadvantages.

To start, there has been a significant upswing in the use of advanced equipment in the field. For instance, plumbers now use handheld drain augers and motorized drain snakes that have revolutionized the way drain blockages are cleared. Where these tools fail to provide a solution, plumbers use high-pressure water jets that deliver power between 1500 to 3000 psi, highly effective for dislodging stubborn obstructions.

A popular technique that has gained significant prominence is hydro jetting. This method uses a high-pressure water source to eradicate waste build-up and debris in drains and pipes. Professional plumbers have lauded this approach due to its thoroughness and the less likely reoccurrence of blockages after the hydro jetting process.

Apart from hydro jetting, a technique called drain rodding is also increasingly popular. Unlike conventional methods, drain rodding does not involve any excavation or digging to reach the blockage. Instead, a steel rod is inserted into the pipe to break down the obstruction, making it a less invasive but effectively potent technique.

Video inspection technology also deserves mention for its ground-breaking impact on drain plumbing. Cameras attached to flexible rods allow for a comprehensive inspection of a blocked drain unblocking wimbledon and help identify the blockage source, type, and location. This accurate pinpointing method reduces the guessing game, speeds up the process, and saves the unnecessary cost of trial and error.

Chemical drain cleaners, often sulfuric and hydrochloric acid-based, have also encountered substantial deployment. However, this method can harm the environment and pipework in the long run, leading to a shift towards green alternatives. Today, enzyme-based drain cleaners are considered more environmentally friendly and less harsh on the plumbing system.

In line with sustainability, new material alternatives have also been sought for pipes to prevent blockages. High-density polyethylene (HDPE), for instance, has emerged as a viable replacement to PVC and clay pipes, minimizing pipe damage and root intrusion.

However, these cutting-edge techniques are not without their caveats. For example, hydro jetting requires professional handling to avoid pipe damage and flooding, while video inspections may not pick up smaller cracks. Enzyme cleaners, although eco-friendly, may not be as effective against severe blockages.

In conclusion, the advancements in blocked drains plumbing techniques have significantly facilitated easier, swifter, and more effective unblocking of drains. While bearing in mind the caveats, these technological developments in the plumbing industry have led to cost-effective and less time-consuming ways of managing blocked drains, revolutionizing the sector amidst the quest for sustainable solutions. Future research may focus on more economical, greener, and easy-to-use approaches to handle blocked drains.