Why Cross-Laminated Timber Is the Future of Green Building

jason rany
5 min readJul 14, 2023

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You’ve probably heard about CLT by now. It’s that newfangled wood product that’s taking the construction world by storm. Cross Laminated Timber, as it’s officially known, is made of layers of lumber boards glued together at right angles, creating panels that are strong, durable, and eco-friendly. Forget concrete and steel — CLT is poised to transform buildings and architecture as we know it.

Why Cross-Laminated Timber Is the Future of Green Building

Lightweight but sturdy, CLT panels can be used for walls, floors, and roofs. Structures made from CLT go up fast, are highly fire-resistant and energy-efficient and produce a tiny carbon footprint compared to traditional materials. Architects are designing stunning CLT buildings all over the world, proving that sustainability and style can go hand in hand.

The future is here, and it’s made of wood. CLT represents an exciting new chapter in green building that’s affordable, innovative, and oh-so-photogenic. Get ready to see cities transformed by the rise of this transformative technology. The age of CLT is now. CLT Toolbox provides the best CLT design software.

The Environmental Benefits of CLT

If you care about the environment, cross laminated timber (CLT) should be on your radar. This innovative building material is poised to transform construction in a big way.

Made from layers of lumber glued together, CLT offers numerous eco-friendly benefits.

● It’s sustainable. CLT is made from fast-growing wood that can be harvested and regrown quickly. This renewable resource helps reduce deforestation.

● It stores carbon. The wood in CLT actually traps carbon dioxide, keeping it out of the atmosphere. According to estimates, CLT used in a single average-sized building can store the equivalent of 480 tons of carbon dioxide.

● It’s durable and long-lasting. Properly treated and laminated, CLT can last for generations. Some CLT buildings have been standing for over 20 years and are still going strong.

● It’s adaptable. CLT can be used for walls, floors, and roofs in all types of buildings. It’s also modular, so construction is often faster and more efficient.

If we want to make real progress on climate change and environmental protection, sustainable materials like CLT need to become the norm. By choosing CLT for your next building project, you’ll be doing your part to shape a greener future for us all.

CLT Offers Superior Strength and Stability

When it comes to structural stability, CLT simply can’t be beat. This engineered wood product offers superior strength and durability compared to regular timber.

CLT panels consist of several layers of lumber boards stacked in alternating directions and bonded together with structural adhesives. This cross-directional arrangement gives CLT its characteristic stability and load-bearing capacity.

● CLT can span up to 50 feet without supports, allowing for open floor plans.

● It resists warping, twisting, and structural damage better than regular wood.

● CLT is highly resistant to earthquakes, wind, and fire. Its solid mass helps CLT buildings withstand forces that could damage less robust structures.

Compared to concrete and steel, CLT is more sustainable and affordable. It’s also faster to manufacture and construct with, reducing build times significantly.

If you care about eco-friendly, high-performance building materials, CLT checks all the boxes. This laminated timber solution is transforming architecture and ushering in a new era of sustainable, resilient structures we can feel good about. The rise of CLT is here, so get on board — the future of green building looks bright!

CLT Speeds Up Construction and Reduces Costs

Faster Assembly

CLT speeds up construction timelines significantly compared to concrete or steel. The prefabricated panels are ready to be assembled onsite, cutting down the time needed for drying and curing. This allows buildings to be enclosed more quickly, reducing the construction schedule by up to 50–75% compared to traditional materials.

Lower Costs

The reduced time on site and less specialized labor required for CLT translates into lower overall building costs. CLT panels are also generally cheaper to produce and transport than steel or concrete. The wood itself is a renewable resource, keeping material costs stable. Some estimates indicate CLT can reduce total building costs by up to 25% compared to concrete.

For cost-conscious owners and developers focused on efficient, eco-friendly builds, CLT ticks all the boxes. The innovative material minimizes expenses at every stage while maximizing benefits. As CLT becomes more widely used, production levels will increase and costs will decrease even further, improving affordability and access to sustainable construction.

Innovative CLT Projects Around the World

The Stadthaus, London

The nine-story Stadthaus building in London was the first CLT residential building in the UK when completed in 2009. This innovative building used prefabricated CLT panels for the floors, walls, and roof, cutting construction time in half. The Stadthaus proved that CLT could be used for mid-rise urban buildings, paving the way for more CLT projects in London and beyond.

Forté, Melbourne

Australia’s first CLT building was the 10-story Forté apartment building in Melbourne, finished in 2012. Forté demonstrated that CLT could be used for high-density residential towers. The prefabricated CLT panels were manufactured offsite, then assembled onsite in just 68 days. Forté inspired Australia to change their building code to allow wooden buildings up to 25 stories, opening up more opportunities for CLT construction.

Origine, Quebec City

The 13-story Origine building in Quebec City became the tallest CLT building in the world when completed in 2017. Origine combines CLT with glulam posts and beams, highlighting the strength and versatility of engineered wood products. This eco-friendly building cuts heating and cooling costs in half compared to similar concrete buildings. Origine helped establish Canada as a leader in CLT design and construction, influencing building codes to allow CLT buildings up to 12 stories.

These innovative CLT buildings around the world have demonstrated the viability, sustainability and beauty of this emerging construction method. As CLT continues to gain mainstream acceptance, more architects and builders are pushing the limits of how high and how bold CLT buildings can go. The future of green building is looking more wooden than ever before.

Conclusion

So there you have it, the inside scoop on CLT and why it’s set to revolutionize green building. Strong, versatile, sustainable — what’s not to love? As CLT continues its meteoric rise, you’ll start seeing it in more and more buildings, from offices and apartments to schools and civic centers.

Its eco-friendly, LEED-friendly nature means architects and designers can create eye-catching structures with a minimal carbon footprint. The future is looking bright for CLT, and even brighter for the planet. If you care about sustainable design or just love being on the cutting edge, keep your eyes peeled for CLT coming soon to a city near you. The green building revolution is here, and cross laminated timber is leading the charge into a greener future for us all.

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