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Discover our concrete expansion joints, ideal for foundations & concrete driveways. Expansion joints prevent cracking in structures by allowing concrete to expand & contract depending on the temperature. Available in a range of sizes & lengths.
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Related products

Coursing Units are produced from the same material as all H+H aircrete and are suitable for the same applications as conventional size Celcon Blocks, allowing consistency within the building fabric.
Height
65 mm
Length
215 mm
Width
100 mm
Weight
1.10 kg
Colour
Grey
Thermal Conductivity
0.15 W/mK
Compressive Strength
4 N per mm2
Fire Rating
Class A1
BBA Approved
Yes
Type
Coursing Unit
Brand Name
Celcon
Manufacturer Model No
SCP100300
Made To Order
N
£0.68
each (Inc. VAT)
+
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This highly efficient block (thermal conductivity of just 0.11 W/mK) is sufficiently loadbearing for two storey buildings and can be used below DPC. Identified by the distinctive painted blue line, Celcon Solar Grade has a compressive strength of 2.9N/mm2 and is principally used where enhanced thermal performance is required.
Height
215 mm
Length
440 mm
Width
100 mm
Weight
7.08 kg
Colour
Grey
Thermal Conductivity
0.11 W/mK
Compressive Strength
2.90 N per mm2
Fire Rating
Class A3
Pack Quantity
120
BBA Approved
Yes
Type
Lightweight Block
Made To Order
N
Manufacturer Model No
URC100100
Brand Name
Celcon
£212.82
per pack (Inc. VAT)
+
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4.8 (38 reviews)
Celcon Block Standard Grade is BBA certified and has a compressive strength of 3.6N/mm2. Its all-round performance allows a 100mm Standard Grade Celcon Block to be used consistently throughout a build, eliminating on-site confusion
Height
215 mm
Length
440 mm
Width
100 mm
Weight
7 kg
Colour
Grey
Thermal Conductivity
0.15 W/mK
Compressive Strength
3.60 N per mm2
Fire Rating
Class A4
BBA Approved
Yes
Type
Lightweight Block
Made To Order
N
Manufacturer Model No
SRC100100
Brand Name
Celcon
£1.68
each (Inc. VAT)
+
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4.9 (90 reviews)
This solid, dense concrete block from Aggregate Industries is suitable for cavity or solid wall constructions, internal load bearing walls and beam and block flooring. Water resistant with sound insulation properties.
Height
215 mm
Length
440 mm
Width
100 mm
Colour
Grey
Compressive Strength
7.30 N per mm2
Fire Rating
Class A6
BBA Approved
Yes
Type
Dense Block
Brand Name
Aggregate Industries
Manufacturer Model No
1757
Made To Order
N
£2.08
each (Inc. VAT)
+
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H+H Celcon Brick Standard Coursing Unit 65mm
H+H Celcon Brick Standard Coursing Unit 65mm
Coursing Units are produced from the same material as all H+H aircrete and are suitable for the same applications as conventional size Celcon Blocks, allowing consistency within the building fabric.
£0.68 each (Inc. VAT)
H+H Celcon Solar Aerated Concrete Block 2.9N 100mm Pack of 120
H+H Celcon Solar Aerated Concrete Block 2.9N 100mm Pack of 120
This highly efficient block (thermal conductivity of just 0.11 W/mK) is sufficiently loadbearing for two storey buildings and can be used below DPC. Identified by the distinctive painted blue line, Celcon Solar Grade has a compressive strength of 2.9N/mm2 and is principally used where enhanced thermal performance is required.
£212.82 per pack (Inc. VAT)
H+H Celcon Standard Aerated Concrete Block Grey 3.6N 440mm x 100mm x 215mm
H+H Celcon Standard Aerated Concrete Block Grey 3.6N 440mm x 100mm x 215mm
Celcon Block Standard Grade is BBA certified and has a compressive strength of 3.6N/mm2. Its all-round performance allows a 100mm Standard Grade Celcon Block to be used consistently throughout a build, eliminating on-site confusion
£1.68 each (Inc. VAT)
Solid Dense 7.3N Concrete Block Grey 100mm
Solid Dense 7.3N Concrete Block Grey 100mm
This solid, dense concrete block from Aggregate Industries is suitable for cavity or solid wall constructions, internal load bearing walls and beam and block flooring. Water resistant with sound insulation properties.
£2.08 each (Inc. VAT)