Responsive image

Spacers, also known as cover blocks, provide the specified concrete cover to the reinforcement used in RCC construction both before and during concreting.

KK manufactures spacers from plastic and fiber concrete for both horizontal and vertical applications, i.e., slabs, beams, columns, walls, etc.


QUICK LINKS

Get yours questions answered about Cover Blocks(What/why/how)

PRODUCT PORTFOLIO
Product Picture
Product Code
Concrete Cover
(in mm)
Maximum Bar Size
(in mm)
KK spacers and cover blocks
PS-30
20/25/30
16
KK spacers and cover blocks
PS-50
40/45/50
25
KK spacers and cover blocks
PC-20
20
8
KK spacers and cover blocks
PC-40
40
12
KK spacers and cover blocks
KF 20/25
20 or 25
NA
KK spacers and cover blocks
KF 30/40
30 or 40
NA
KK spacers and cover blocks
KF 35/40/45/50
35/40/45 or 50
NA
KK spacers and cover blocks
KF 50/60
50 or 60
NA
KK spacers and cover blocks
KF 65/75
65 or 75
NA
KK spacers and cover blocks
KPSCL-40
40
12
KPSCL-50
50
12
KPSCL-75
75
12
KK spacers and cover blocks
KPCCL-30
30
12
KPCCL-40
40
12
KPCCL-50
50
12
KK spacers and cover blocks
KPCCL-40 (New)
40
12
KPCCL-50 (New)
50
12
KK spacers and cover blocks
KRWF-25
25
25
KK spacers and cover blocks
KSWF-40
40
40
KSWF-50
50
40
KSWF-75
75
40
KK spacers and cover blocks
KCWF-30
30
40
KCWF-40
40
40
KCWF-50
50
40
KK spacers and cover blocks
KCWF-40 (New)
40
40
KCWF-50 (New)
50
40
KK circular concrete spacers and cover blocks
KC-25
25
10
KC-40
40
16
KC-50
50
32
KC-65
65
16
SPACER | REQUIRED QUANTITIES
Spacer positioning is based primarily on acceptable deflection at maximum loading. Therefore, thinner rebars require more spacers than larger diameter rebars. Below are guidelines for recommended quantities for spacers based on rebar size and application
SLABS
Rebar Diameter
Maximum Distance
Spacers Required
Per sq-meter
All
70 cm
2
BEAMS & COLUMNS
Spacer Distance in the Logitudinal Direction
Rebar Diameter
Columns
Beams
up to 10 mm
50 cm
25 cm
12 to 20 mm
100 cm
50 cm
Over 20 mm
125 cm
75 cm
Spacer Nos Required In The Transverse Direction
Width/Height of Beam/Column
Columns
Beams
up to 100 mm
2
2
Over 100 mm
3 or more
3 or more