One of its defining features is its exceptional expandability. When soaked in water, a single compact coconut brick can expand up to eight times its original size, transforming into a fluffy, fibrous mass. This property stems from the natural porosity of coconut fibers, which allows them to absorb and retain moisture efficiently—making it ideal for uses requiring water absorption or cushioning.​

In packaging, coconut bricks have gained popularity as a biodegradable cushioning material. Their fibrous structure provides excellent shock absorption, protecting fragile items such as electronics, glassware, and ceramics during shipping. Unlike plastic foam or bubble wrap, they decompose naturally, reducing environmental impact and aligning with sustainable packaging trends. They also serve as void fillers in boxes, preventing items from shifting without adding excessive weight.​

The material’s high absorbency makes it useful in cleaning and spill management. Crumbled coconut bricks can soak up liquids, including oils and water-based spills, making them effective in industrial settings, garages, or workshops. Their natural fibers trap moisture and debris, and they can be disposed of compostably after use, avoiding the need for harsh chemical cleaners. This absorbency also extends to pet care, where expanded coconut bricks act as lightweight, dust-free bedding for small animals or reptiles, maintaining a dry environment while being gentle on pets’ skin.​

In crafts and decoration, coconut bricks offer a rustic, natural aesthetic. When broken down, the fibers can be shaped into decorative elements for DIY projects, such as wreaths, wall hangings, or table centerpieces. They blend well with other natural materials like wood, stones, and dried flowers, enhancing the organic feel of handmade creations. Additionally, in event design, they serve as fillers for themed displays, adding texture to booths, stage setups, or photo backdrops.​

Coconut bricks also contribute to eco-friendly construction and insulation. Mixed with natural binders, they form lightweight panels used in non-structural elements like wall fillers or soundproofing layers, leveraging their fibrous structure to reduce noise transmission. Their low thermal conductivity makes them suitable for insulating small spaces, such as tool sheds or garden cabins.