The blocks are 3 times stronger than a cement block. 1000 psi! They are used in over 100 countries now. They have been tested and approved by the college of engineers and archtects in Costa Rica. There are thousands of homes, and other buildings world wide built using this machinery and block st...
The blocks are 3 times stronger than a cement block. 1000 psi! They are used in over 100 countries now. They have been tested and approved by the college of engineers and archtects in Costa Rica. There are thousands of homes, and other buildings world wide built using this machinery and block st...