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Building a sustainable future for Sri Lanka’s construction industry

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Sri Lanka’s construction industry has long been a central pillar of sustainable development. From roads and bridges to homes, schools, and hospitals, construction shapes the country’s physical landscape and supports economic progress. As the nation continues to rebuild and modernise, the demand for construction materials and infrastructure keeps rising. However, this growth also brings a significant environmental cost. Cement, steel, bricks, aggregates, and timber all require energy, resources, and transportation, contributing to carbon emissions and environmental damage. If Sri Lanka continues with traditional construction practices, the long-term impact on the environment will be severe.

The encouraging news is that Sri Lanka has many opportunities to adopt more sustainable construction practices while still maintaining the highest standards of quality and safety. Sustainable construction does not mean weaker buildings or lower standards. It means using sustainable materials, reducing waste, improving design, and choosing methods that protect the environment. Many countries have already moved in this direction, and Sri Lanka has the potential to follow the same path with solutions that are practical, affordable, and suitable for local conditions.

A promising option

One promising option is the use of Compressed Earth Blocks (CEB), which are different from the concrete blocks commonly used in Sri Lanka for the past 25 years. CEBs are made from soil mixed with a small amount of stabiliser and pressed using machines. Unlike traditional fired clay bricks, CEBs do not require high-temperature kilns, which consume large amounts of firewood or fossil fuels. This makes CEBs a low-carbon alternative with a much smaller environmental footprint. In Sri Lanka, CEBs are already used in eco-resorts, community housing projects, and environmentally focused developments. They offer good strength, durability, and thermal comfort, making them suitable for many types of buildings. By expanding the use of CEBs, Sri Lanka can reduce energy consumption, lower emissions, and promote locally sourced materials.

Recycled aggregates also offer significant potential for sustainable construction. These materials are produced by crushing concrete, demolition waste, and construction debris. In Sri Lanka, recycled aggregates are already used in road construction, particularly for base and sub-base layers. They are suitable for non-structural building work such as pathways, garden paving, drainage layers, landscaping, and backfilling. Using recycled aggregates reduces the need for newly quarried rock and aggregates, decreases landfill waste, and lowers transportation emissions. With proper quality control and standards, recycled aggregates can become a reliable and widely accepted material in the construction industry.

Timber and sustainability

Timber is another important area where sustainability can be improved. In the past, timber for construction was often taken from natural forests, leading to deforestation and loss of biodiversity. Today, this approach is no longer sustainable. Instead, the focus must shift to legally sourced timber from managed plantations. Sri Lanka’s plantation-grown teak, jak, and kubuk can provide high-quality, legally sourced timber for construction while protecting natural forests and supporting rural economies. Using plantation timber ensures that harvesting is controlled, trees are replanted, and the supply chain remains legal and ethical.

Beyond materials, sustainable construction also involves better design and planning. Buildings that are designed to maximise natural ventilation, daylight, and energy efficiency can significantly reduce long-term operating costs. Simple design improvements such as proper orientation, shading devices, roof insulation, and efficient window placement can reduce the need for artificial cooling and lighting. These measures not only lower energy consumption but also improve indoor comfort for occupants. Sri Lanka’s tropical climate offers many opportunities to incorporate passive design strategies that reduce environmental impact without increasing construction costs.

Waste reduction is another key component of sustainable construction. Construction sites often generate large amounts of waste, including concrete, timber offcuts, packaging, and soil. By adopting better site management practices, recycling materials, and planning construction sequences more efficiently, contractors can reduce waste and save money. Proper waste segregation and recycling can also reduce the burden on landfills and minimise environmental pollution.

Promoting sustainable construction

Public projects such as schools, hospitals, and government buildings can play a leading role in promoting sustainable construction. When government projects adopt greener materials and designs, the private sector follows. This creates a positive cycle where environmentally responsible choices become the industry standard. Public sector leadership can also encourage local manufacturers to produce sustainable materials, improve quality standards, and invest in new technologies.

Sri Lanka also carries a proud and remarkable history in construction, with achievements that continue to inspire the world. The engineering brilliance behind Sigiriya, the advanced urban planning of Polonnaruwa, the precision of the Aukana Buddha statue, and the sophisticated water management systems of ancient tanks and reservoirs all demonstrate the deep knowledge our ancestors possessed. These historic accomplishments show that innovation is not new to Sri Lanka; it is part of our identity. As the world moves toward 2050 with increasing sustainability challenges, Sri Lanka can draw strength from this heritage while embracing modern technologies and sustainable practices. With the combined efforts of skilled professionals, industry experts, academic researchers, and strong government support, the country can introduce new systems that improve efficiency, reduce environmental impact, and strengthen resilience. By working together with determination and sharing knowledge across generations, Sri Lanka’s construction industry can build a future that honours its past while leading the way in sustainable development.

Foundation of sustainable development

Sri Lanka’s construction industry has always been a foundation of sustainable development. Today, it also has the chance to take a leading role in sustainability. By choosing sustainable materials, reducing waste, improving design, and supporting responsible sourcing, the country can build a future that is both modern and environmentally responsible. Sustainability is essential for Sri Lanka’s long-term goals of reducing carbon emissions and limiting the impacts of global warming. As Sri Lanka moves forward, the construction industry must embrace sustainability not only as an environmental responsibility but also as an opportunity to create stronger, smarter, and more resilient buildings for future generations. Sri Lanka has the talent, the heritage, and the technical capacity to shape a more sustainable future, and with the right national direction, the construction industry can become a model for the region. If professionals, policymakers, and communities work together with a shared vision, the country can transform its construction sector into one that protects the environment while supporting long-term progress.

About the Author: P.G.R.A.C. Gamlath Menike,

BSc (Hons) Quantity Surveying (University of Reading, UK), MSc Quantity Surveying (University College of Estate Management, UK), MCIArb, Doctoral Student, Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, is a Senior Quantity Surveyor: Last Project (2022 -2025) Hong Kong International Airport Terminal 2 Construction Project, Gammon Engineering Construction (Main Contractor).

By P.G. R. A. C. Gamlath Menike



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Features

The challenge of keeping value-based politics alive

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Anti-migrant protests in Durban, South Africa. BBC

The current outbreak of anti-immigrant protests in Durban, South Africa is bound to have taken many a subscriber to value-based politics or political idealism quite by surprise. After all, this is evidence that despite the historic accomplishments of nation-builders of the stature of the late President Nelson Mandela it cannot be taken for granted that identity politics, including racism in its worst forms, is no more in South Africa.

At the time of this writing details are scarce on the substantive root causes of the protests but it could very well be that economic grievances, particularly on the part of the majority community in South Africa, are contributing considerably to the disaffection. Shrinking employment and material prospects are likely to figure majorly among the factors igniting the unrest.

Fortunately, the local authorities in Durban are losing no time in calling for peaceful co-existence among the relevant communities and are pointing to the vital importance of stepping-up national integration processes. Apparently, immigrants in sizable numbers from neighbouring countries are present in Durban. However, international TV footage of the protests quoted some local authorities as saying that the majority of the immigrants in some centres that housed them were not illegal migrants and had the documents that entitle them to be in Durban.

In the Durban protests the world has fresh proof of the socially divisive consequences of the gathering globe-wide economic disaffection, touched off particularly by the continuing crisis in West Asia. Going ahead, the world would need to brace for increasing identity-based unrest of the kind it is just witnessing in South Africa.

Considering that the material lot of ordinary people everywhere could only aggravate progressively, with the US and Iran showing no signs of negotiating an end to their confrontation any time soon, it will be left to the more democratic and progressive sections of the world community to initiate positive measures collectively to bring a measure of relief to the discontented.

The swiftness with which such relief will be provided would depend crucially on the importance those sections taking up these undertakings attach to value-based politics as opposed to Realpolitik of power politics.

Going by these yardsticks, Italy could be considered to be moving in the right direction. Recently Italy came to the fore in initiating the collective named, ‘Rome Coalition for Food Security and Access to Fertilizer’, which has as one of its aims the swift provision of fertilizer to economically weak African countries.

In a recent statement Italian Minister of Foreign Affairs and International Cooperation, Antonio Tajani, said that a principal aim of the project was to ensure that the farmers of Africa gained easy access to fertilizer, considering that food security is a growing concern among some of Africa’s economically vulnerable countries.

The statement went on to mention that some 30 countries hailing from the Mediterranean region, the Middle East, the Balkans as well as the FAO had been invited to join the coalition. The venture is far-seeing in that food security is main among the reasons for social discontent which in turn could degenerate into endemic political turmoil and bloodshed. Separatist violence and geographical fragmentation of countries wouldn’t be too far behind these developments, as Africa itself has often proved.

It is hoped that more G7 countries would take the cue from Italy and do what they could to ease the hardships of economically distressed countries, particularly of the global South. In these efforts they would need to break rank with the US, which is today brutally indifferent to the consequences of its policy of making ‘America First’, come what may.

Going by current developments, the Trump administration seems to be blithely oblivious to the wider, deleterious effects of its policy course in West Asia. Besides rendering Iran militarily and otherwise impotent nothing else seems to matter to Washington, as regards West Asia. This is policy short-sightedness of an extreme kind. After all, right now West Asia could be said to be sitting on the proverbial powder keg.

On the other hand, Iran is not giving the world the impression that it is doing anything constructive to get out of the policy straitjacket that it wove for itself decades ago. Rather than enter into a policy of ‘live and let live’ in relation to Israel in particular and initiate a process of reconciliation with the latter, it has chosen to operate within policy parameters that continue to damn Israel. This has put Israel always on the ‘defensive’ so to speak and prevented the opening up of space for meaningful dialogue.

That said, Israel is obliged to explore the possibilities of entering into a negotiatory process with the Arab-Islamic world that could lead to a de-escalation of tensions and bloodshed. It cannot continue to look at its neighbours through lenses that distort them as archetypal enemies who should be ‘wiped off completely from the face of the earth.’

In other words, the need is urgent for Realpolitik to give way to value-based politicks. Italy is beginning to prove that the latter approach could be pursued with some success. May be the EU and the UK could throw their weight behind these initiatives as well and establish that international politics could be refashioned on the basis of humane, civilized norms. The UN would need to be fully supportive of these moves and prove an organizational nucleus of the operations that follow.

In fact the time is ripe for people of conscience to collectively stand up on the side of peace and say ‘No’ to war and violence. Organizations such as the ICRC, the WHO and Medicines Sans Frontiers have already taken up this call. Referring to the widespread destruction of health facilities and their dehumanizing results these organizations have said, among other things, that ‘This is not a failure of the law. It is a failure of political will.’

True, ‘failure of political will’ among those powers that matter accounts for the runaway, uncontrollable nature of war and destruction in contemporary times, but more fundamentally it is a failure of the human conscience. It could very well be that the phenomenal levels to which violence and war have been unleashed today have had the effect of deadening consciences. This is a matter for urgent study and wide discussion.

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Features

Vesak celebrations … with Cuteefly

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Perfect for celebrations, gifts, and meaningful occasions // Gift pack

I would describe Indunil Kaushalya Dissanayaka as innovative and creative, and she operates under the name of Cuteefly.

Indunil always comes up with something novel to celebrate special occasions, and she does it with candles … and that’s her profession.

She was in the spotlight when she created a happening scene, with candles, for Christmas, Sinhala and Tamil New Year, and Valentine’s Day.

As lanterns light up Sri Lanka for Vesak, the Colombo-based candle maker is quietly turning wax and wick into little pieces of the festival.

Candles reflecting Vesak themes

Her candles reflect Vesak themes – light, peace, remembrance, giving, etc., to enable you to fill your Vesak celebration with devotion and beauty.

Among her Vesak creations is a lotus-shaped soy candle, scented with sandalwood, lavender, etc., meant to burn during this Vesak Poya Day.

Indunil Kaushalya Dissanayaka: Customers
praise her for her creativity

These handcrafted Vesak candles are perfect for offering at the temple, she says.

What makes her creations so novel is that they come in different shapes, scents, themes, and all are handmade.

What’s more, her customers have heaped praise on her for her creativity.

According to Indunil, her creations are perfect as a thoughtful gift … to bring beauty, unity, and light into every moment.

Says Indunil: “Our beautifully handcrafted Unity candles are designed with premium detail and love, making them perfect for celebrations, gifts, and meaningful occasions.”

Cuteefly, says Indunil, is available online.

Readers could contact Indunil on 0778506066 for more details.

He Facebook Page is: Cuteefly.

Handmade with love

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Features

Dark Spots …

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Yes, dark spots do crop up on the skin, especially with sun exposure and, of course, as the skin ages.

However, these tips should be of immense benefit to those who are faced with dark spots.

Lemon and Honey Glow Mask:

You will need 01 teaspoon lemon juice and 01 teaspoon honey.

Mix the lemon juice and honey well and then apply this mixture, only on the dark spots.

Leave for 10–15 minutes and then rinse with cool water.

Benefits:

Lemon helps brighten pigmentation.

Honey moisturises and heals skin.

Gives a natural glow.

* Aloe Vera Gel Treatment:

All you need is fresh aloe vera gel.

Apply the gel apply on dark spots, before going to bed.

Leave overnight and wash in the morning.

Benefits:

Reduces acne marks and pigmentation.

Soothes irritated skin.

Helps skin repair naturally.

Turmeric and Yoghurt Paste:

You will need 01 teaspoon yoghurt and a pinch of turmeric

Mix the yoghurt and turmeric into a smooth paste and apply on affected areas.

Leave for 15 minutes and then wash gently with lukewarm water.

Benefits:

Turmeric brightens skin naturally.

Yoghurt removes dead skin cells.

Helps fade dark spots gradually.

Use these packs 02-03 times a week as results are generally seen over time.

You can also try this out: Mix a ripe papaya into a smooth paste and apply to the face, or directly on to the dark spots. Leave for 15-20 minutes and then wash with lukewarm water.

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