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STD BRICKS

STD BRICKSSTD BRICKSSTD BRICKS
Home
Products
  • Fly Ash Bricks
  • Pavers
  • Curb Stone
  • Concrete Cover Blocks
More
  • Home
  • Products
    • Fly Ash Bricks
    • Pavers
    • Curb Stone
    • Concrete Cover Blocks

  • Home
  • Products
    • Fly Ash Bricks
    • Pavers
    • Curb Stone
    • Concrete Cover Blocks

CONCRETE COVER BLOCKS

  • Using Concrete Cover Blocks is adhering to good practices in Construction and provides better bonding with surrounding concrete as it is of same material.
  • A cover block is a spacer that is used to lift the rebar matrix (jali) off the ground for slabs and similarly for beams and columns a space is created between the shuttering and reinforcements so that concrete may flow underneath and around to become a permanent and integral part of the poured concrete. Prevents rebar from corrosion, Protection during fire for a certain time period.
  • Cover Blocks should be placed by ensuring that uniform cover is available providing adequate concrete coverage during the pour.
  • Plastic/PVC Cover Blocks should not be used for the simple reason that it does not bond well with concrete. Plastic has a coefficient of expansion >10 times of concrete and due to temperature variations a gap is formed which ultimately allows a free passage for corrosive agents to reach the steel reinforcements causing it to erode.
  • Protects the reinforcements from environmental effects to prevent corrosion.
  • Provides thermal insulation, this protects the reinforcement bars during fire.
  • Gives reinforcing bars sufficient embedding to enable them to be stressed without slipping.

Quality spacers for good construction practice

Compressive Strength = Minimum 40 N/MM2

We ensure that the cover blocks manufactured are high strength to avoid breakage while use and properly cured before dispatch. 

(Strength of cover blocks used must be equal to or greater than the poured concrete)

Concrete Cover blocks

CB Multi 20/25/30

Ideal for slabs/beams

requiring 20/25/30mm cover.

Recommended For Slabs: 4 Pcs Per Sq Mtr

37 Pcs per 100 Sq Ft


Packing Per Bag 200 Pcs @ Rs 2.50 Per Pc

CB Multi 35/40/45/50

 This cover block can provide a cover of 35/40/45/50mm.

Ideal for beams, columns, footing, etc.

Can be tied to the reinforcement to avoid slippage.


Packing Per Bag 100 Pcs @ Rs 2.50 Per PC

CB Round 40MM

Dia = 92 mm, Center hole = 12 mm,

 Thickness = 20 mm

Provides a clear cover of  40mm.

Ideal for piling, columns, retaining wall, etc

Stirrups can easily pass thru.

The cover blocks act as friction less wheels while inserting the reinforcements inside the piles.

Recommended: 3-4pcs per 1.5-2 RM


Packing Per Bag 50 Pcs @ Rs 5.00 Per Pc

CB Round 50MM

Dia = 113 mm, Center hole = 13 mm

Thickness = 20 mm

Provides a clear cover of 50mm.

Ideal for piling, columns and beams.

Stirrups can easily pass thru.

The cover blocks act as friction less wheels while inserting the reinforcements inside the piles.

Recommended: 3-4pcs per 1.5-2 RM


Packing Per Bag 50 Pcs @ Rs 7.00 Per Pc

CB Round 75MM

Dia = 170mm, Hole Size = 20mm

Thickness = 25 mm

For Heavy Piles/Columns

For Piling of Bridges, Tall Buildings, etc


Packing Per Bag 20 Pcs @ Rs 18.00 Per Pc

CB H-Type 75MM

For Raft Foundation, Thick Slabs, Double Reinforcement, Pile Caps,  etc

Can be easily tied to reinforcement


Packing Per Bag 50 Pcs @ Rs 8.00 Per Pc

Effects Of too Little Cover

Slab Failure

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