Aluminum Casthouse: Precast Furnace Block

PERMATECH BIG BLOCK™

PERMATECH is the pioneer of the 'Big Block' furnace concept, and is still recognized today as the world leader in the manufacture of large precast, prefired furnace block.

Only PERMATECH has the expertise and capability to manufacture close-tolerance, crack-free BIG BLOCK™ of all sizes and shapes, and only PERMATECH can ensure the perfect fit that is necessary to deliver enhanced refractory performance.

Pictured below is a completed PERMATECH
BIG BLOCK™ installation, including hearth
block, sidewall block, roof modules, and door.