Knock-Out
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net area.
Size available:
16" x 6" x 8"
16" x 8" x 8"
16" x 10" x 8"
16" x 12" x 8"
This product is proudly made in Ontario by:
Concrete Blocks
100% Solid
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
45° Corner
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
75% Solid
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Ashlar
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Double Bullnose
Rainbow Concrete Industries Limited
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net...
Half Double Bullnose
Rainbow Concrete Industries Limited
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net...
Half Single Bullnose
Rainbow Concrete Industries Limited
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net...
L-Corner
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Lintel (Bond Beam)
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Plain End (Pier)
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Plain half
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Plain Half
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Rebar Knock-Out
Rainbow Concrete Industries Limited
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net...
Semi-Solid
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Single Bullnose
Rainbow Concrete Industries Limited
All blocks are manufactured as per CSA-CAN3-A165-M94, and are 15MPa standard based on their net...
Splitter
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All...
Standard
Rainbow Concrete Industries Limited
Approximately 30% of blocks on a skid of 8" std. have 1 smooth end to be used for corners. All 4"...