Johns Own Concrete Block

Johns Building Supply Concrete Block

Our Own Concrete Block - stronger and more durable than big box products

Since our family started this business in 1948, Johns Building Supply has produced its own comprehensive line of concrete block. We take great pride in this tradition of providing construction professionals and homeowners with the highest quality masonry products. 

Stock Items

All dimensions are nominal, subtract 3/8" for actual. Product colors are standard gray, except where noted. Additional block types may be available, please call 413-442-7846 to inquire.

Hollow Stretchers

  • 12" x 8" x 16"
  • 8" x 8" x 16"
  • 4" x 8" x 16"
  • 8" x 8" x 16" Split Face
  • 8" x 8" x 8" Half Block

Hollow Corner Sashes

  • 12" x 8" x 16"
  • 8" x 8" x 16"
  • 10" x 8" x 16" Double Corner Sash
  • 8" x 8" x 16" Single and Double Bullnose
  • 8" x 8" x 8" Half Block
  • 4" x 8" x 16" Single Bullnose

Open Bond Beams

  • 12" x 8" x 16"
  • 8" x 8" x 16"
  • 6" x 8" x 16"

Solid Block

  • 8" x 8" x 16"
  • 6" x 8" x 16"
  • 4" x 8" x 16" Also available in Charcoal, Red and Yellow
  • 3 3/4" x 2 1/4" 8" Concrete Brick
  • 2" x 8" x 16" Also available in Charcoal, Red and Yellow
  • 4" x 8" x 16" Split Face

Concrete Block Manufacturing