Welcome to Hawai'i!!
We Specialize in building materials that are resistant to termites and the rot and ravages of the tropics.
Castleblock provides you with the building materials that have the longest list of positives and the shortest list of negatives. It is that simple. More bang for the buck.
We focus on high-performance, recycled content materials and systems which offer you, the Hawaiian home builder, the best value for your money. Our materials and methods are all simple in concept and easy to install - perfect for the owner/builder or the professional contractor. We now have the ability to produce high quality, energy efficient, low maintenance homes that will last for generations.
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Castleblock can be reached at 1-800-672-7872