Jaipur-based architects Abhimanyu Singh and Shilpi Dua have turned an unconventional idea into reality with their venture, ‘Hexpressions’. Their innovative approach to homebuilding uses composite honeycomb sandwich panels made from recycled paper, creating sustainable homes in as little as two weeks. These homes are also surprisingly affordable, with prices starting at just Rs 6-10 lakh.
The unique panels are made from sturdy recycled paper, folded into hexagonal shapes and arranged like cells. These cells are sandwiched between two panels made of plywood or cement fibre boards.
Galvanised iron channels on the edges of the panels help maintain their shape, while iron hollow pipes provide additional structural support. The result is a strong, lightweight building material that is fireproof, soundproof and water-resistant.
Shilpi explains, “The triangle is the strongest shape in construction, as it holds its form. And a hexagon is made up of six triangles, making it incredibly sturdy. This technique is similar to what is used in commercial aircrafts, where aluminium sheets are used for their light yet durable structure.”
The panels used to build Hexpressions’ homes are made locally. This means they can be assembled quickly. The structures are also shock-absorbent, which makes them safer. Because the material is lightweight, the homes can be built much faster than traditional houses. Hexpressions’ homes come in different sizes, ranging from 190 sq. ft. to 400 sq. ft.
Some might worry that these homes aren’t durable, but Shilpi explains, “There is no oxygen between the cells, which prevents the paper from catching fire.” Moreover, the panels are dipped in a plant-based, water-resistant resin and their hexagonal cells are filled with fly ash to ensure fireproofing.
The lightweight nature of these homes also makes them easily transportable across states, and trained professionals are sent to assemble the structures on-site. With an 80% lower environmental impact compared to conventional buildings, these homes are not only affordable but also significantly more eco-friendly.
The company has already built 50 structures, including hospitals and institutions. Now, the couple aims to build 500 green homes across India in the next five years. Shilpi says, “One square foot can hold up to 100 kg of load.”
With their game-changing idea, Abhimanyu and Shilpi are proving that sustainable housing is the future.
Edited by Megha Chowdhury
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