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100mm Blocks

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Browse our wide selection of trade quality 100mm concrete blocks. Our aerated 100mm concrete blocks are ideal for a range of building projects including external walls and foundations. Choose from low, medium and high densities to suit your construction needs.
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Solid Dense 7.3N Concrete Block Grey 100mm
4.8 (109 reviews)
Product Code: 700064
Solid Dense 7.3N Concrete Block Grey 100mm
Retail price

£2.35

each
£1.96 ex. vat
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H+H Celcon Standard Aerated Concrete Block Grey 3.6N 440mm x 100mm x 215mm
4.7 (45 reviews)
Product Code: 700055
H+H Celcon Standard Aerated Concrete Block Grey 3.6N 440mm x 100mm x 215mm
Retail price

£2.68

each
£2.23 ex. vat
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Solid Medium Density 7.3N Concrete Block 100mm
4.9 (8 reviews)
Product Code: 922113
Solid Medium Density 7.3N Concrete Block 100mm
Retail price

£2.96

each
£2.47 ex. vat
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H+H Celcon Standard Aerated Concrete Block 3.6N 75mm
4.7 (3 reviews)
Product Code: 700054
H+H Celcon Standard Aerated Concrete Block 3.6N 75mm
Retail price

£3.47

each
£2.89 ex. vat
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H+H Celcon Brick Standard Coursing Unit 65mm
Product Code: 753178
H+H Celcon Brick Standard Coursing Unit 65mm
Retail price

£1.22

each
£1.02 ex. vat
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Fibolite Ultra Lightweight Solid Concrete Block 3.6N 100mm
Product Code: 799214
Fibolite Ultra Lightweight Solid Concrete Block 3.6N 100mm
Retail price

£3.17

each
£2.64 ex. vat
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H+H Celcon Hi-7 Aerated Concrete Block 7.3N 100mm
5 (2 reviews)
Product Code: 837344
H+H Celcon Hi-7 Aerated Concrete Block 7.3N 100mm
Retail price

£4.66

each
£3.88 ex. vat
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H+H Celcon Solar Aerated Concrete Block 2.9N 100mm Pack of 120
Product Code: 701733
H+H Celcon Solar Aerated Concrete Block 2.9N 100mm Pack of 120
Retail price

£331.78

per pack
£276.48 ex. vat
£2.76per item
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Solid Medium Density 3.6N Concrete Block 100mm
5 (2 reviews)
Product Code: 869425
Solid Medium Density 3.6N Concrete Block 100mm
Retail price

£3.52

each
£2.93 ex. vat
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Coursing Slips 390mm COS 002
Product Code: 763510
Coursing Slips 390mm COS 002
Retail price

£4.18

each
£3.48 ex. vat
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Solid Ultra Low Density Concrete Block 3.6N 100mm
4 (3 reviews)
Product Code: 334688
Solid Ultra Low Density Concrete Block 3.6N 100mm
Retail price

£4.28

each
£3.57 ex. vat
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Showing 1—11 items of 11

Related products

5 (17 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.
Manufacturer Model No
1764
Brand Name
Aggregate Industries
Made To Order
N
Height
215 mm
Length
440 mm
Width
140 mm
Weight
26.50 kg
Colour
Grey
Compressive Strength
7.30 N per mm2
Fire Rating
Class A5
BBA Approved
Yes
Type
Dense Block

£3.48

each (Inc. VAT)
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Hepworth Terracotta airbricks allow the free movement of air to ventilate buildings. Terracotta airbricks can complement the external finish of a property and will weather well with the surrounding brickwork.
Depth
50 mm
Height
140 mm
Width
215 mm
Weight
2.50 kg
Material
Clay
Colour
Buff
Type
Air Bricks
Brand Name
Hepworth Terracotta
Manufacturer Model No
YB11

£14.10

each (Inc. VAT)
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Provides an unobtrusive solution to cavity wall drainage requirements. Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire Rated Metal Rytweep Cavity Weep Vent.
Depth
115 mm
Width
9 mm
Material
Polypropylene
Colour
Terracotta
Type
Weep Vent
Brand Name
Manthorpe
Manufacturer Model No
G951TR

£1.49

each (Inc. VAT)
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NEW
The only totally transparent weep hole duct on the market. Virtually invisible when installed; showing only the small weep outlet. Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire-rated Metal Rytweep.
Manufacturer Model No
RYTWECL
Height
66 mm
Width
10 mm
Colour
Clear

£84.00

per box (Inc. VAT)
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Solid Dense 7.3N Concrete Block Grey 140mm
Solid Dense 7.3N Concrete Block Grey 140mm
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.
£3.48 each (Inc. VAT)
Hepworth Square Hole Airbrick 215 x 140mm Buff YA14B
Hepworth Square Hole Airbrick 215 x 140mm Buff YA14B
Hepworth Terracotta airbricks allow the free movement of air to ventilate buildings. Terracotta airbricks can complement the external finish of a property and will weather well with the surrounding brickwork.
£14.10 each (Inc. VAT)
Manthorpe Terracotta Peep Weep Vent
Manthorpe Terracotta Peep Weep Vent
Provides an unobtrusive solution to cavity wall drainage requirements. Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire Rated Metal Rytweep Cavity Weep Vent.
£1.49 each (Inc. VAT)
Rytons Rytweep Clear Cavity Weep
NEW
Rytons Rytweep Clear Cavity Weep
The only totally transparent weep hole duct on the market. Virtually invisible when installed; showing only the small weep outlet. Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire-rated Metal Rytweep.
£84.00 per box (Inc. VAT)