1-2 of about 2 matches for site:marshield.com constructing blocks
https://marshield.com/specifiers-and-architects-resource-hub
Blankets and Snakes MarShield Non-Lead Radiation Shielding Materials Blanket Racking Systems High Density Concrete Blocks Lead Shot Tungsten Radiation
https://marshield.com/radiation-shielding-design-consultation/
Blankets and Snakes MarShield Non-Lead Radiation Shielding Materials Blanket Racking Systems High Density Concrete Blocks Lead Shot Tungsten Radiation