The Armstrong Airtec Foundation Block is a sturdy, reliable, and high-quality building material in natural shade. Manufactured to a size of 620 x 140 x 300 mm, these blocks offer superior strength and durability, making them ideal for use in various construction projects. The blocks are lightweight, making them easy to handle and install. These blocks provide an excellent base for your building projects, ensuring a solid foundation that withstands the test of time.