NBS Source
I'm a manufacturer

Compare variants

Shotblasted Hollow Block - Aggregate concrete blocks
Shotblasted Hollow Block - Aggregate concrete blocks
Shotblasted Hollow Block - Aggregate concrete blocks

Verified 9 months ago

Colinwell Masonry

Cellular

Verified 9 months ago

Colinwell Masonry

Hollow

Verified 9 months ago

Colinwell Masonry

Solid

Summary
Colinwell Shotblasted Concrete Masonry Blocks have matt texture, that exposes more of the aggregate used in the manufacture of the block and leaving a natural weathered texture.
Colinwell Shotblasted Concrete Masonry Blocks have matt texture, that exposes more of the aggregate used in the manufacture of the block and leaving a natural weathered texture.
Colinwell Shotblasted Concrete Masonry Blocks have matt texture, that exposes more of the aggregate used in the manufacture of the block and leaving a natural weathered texture.
Third party certification
Digital objects
Color
Grey, Red, Cream, Green, Gold, Yellow, White
Grey, Red, Cream, Green, Gold, Yellow, White
Grey, Red, Cream, Green, Gold, Yellow, White
Finish
Matt
Matt
Matt
Material
Concrete
Concrete
Concrete
Shape
Rectangle
Rectangle
Rectangle
Length
440 mm
440 mm
440 mm
Width
100 mm, 140 mm, 215 mm
100 mm, 140 mm, 215 mm
100 mm, 140 mm, 215 mm
Height
215 mm
215 mm
215 mm

Specification

Standard
To BS EN 771-3 and BS 5628-1.
To BS EN 771-3 and BS 5628-1.
To BS EN 771-3 and BS 5628-1.
Block description
Cellular, shotblasted face finish, matt texture, graded aggregate, precast concrete masonry blocks.
Hollow, shotblasted face finish, matt texture, graded aggregate, precast concrete masonry blocks.
Solid, shotblasted face finish, matt texture, graded aggregate, precast concrete masonry blocks.
Compressive strength
-
-
-
Mean value
15 N/mm².
15 N/mm².
15 N/mm².
Thermal conductivity
1.25 W/m·K.
1.25 W/m·K.
1.25 W/m·K.
Work sizes (length x width x height)
440 x 100 x 225 mm., 440 x 140 x 225 mm.
440 x 215 x 225 mm.
440 x 100 x 225 mm.
Accessory and special shape types
Not required., Bond-beam blocks., Cavity closers., Cills., Half blocks., Lintels., Quoins., Squints.
Not required., Bond-beam blocks., Cavity closers., Cills., Half blocks., Lintels., Quoins., Squints.
Not required., Bond-beam blocks., Cavity closers., Cills., Half blocks., Lintels., Quoins., Squints.
Tolerance category
D2.
D2.
D2.

Additional properties

Colour
Bracken., Buff., Cream., Green., Honey., Natural., Red., Sandstone., Straw., Whinstone., White.
Bracken., Buff., Cream., Green., Honey., Natural., Red., Sandstone., Straw., Whinstone., White.
Bracken., Buff., Cream., Green., Honey., Natural., Red., Sandstone., Straw., Whinstone., White.
Mortar type
Manufacturer standard., Maroon U53., Beige E74., Cream G89., Green N70., Tan C30., White J88., Orange T36., Yellow D10., Black L62.
Manufacturer standard., Maroon U53., Beige E74., Cream G89., Green N70., Tan C30., White J88., Orange T36., Yellow D10., Black L62.
Manufacturer standard., Maroon U53., Beige E74., Cream G89., Green N70., Tan C30., White J88., Orange T36., Yellow D10., Black L62.
Mortar mix
-
-
-
Joint
-
-
-
Spacing
6–10 m.
6–10 m.
6–10 m.
Material/ Finish
Concrete, shotblasted matt texture.
Concrete, shotblasted matt texture.
Concrete, shotblasted matt texture.
Efflorescence

None.

None.

None.

Average density
2100 kg/m³.
2100 kg/m³.
2100 kg/m³.
Shrinkage
<0.04% (drying).
<0.04% (drying).
<0.04% (drying).
Water absorption
3–6%.
3–6%.
3–6%.
Bond strength
0.15 N/mm² (in shear).
0.15 N/mm² (in shear).
0.15 N/mm² (in shear).
Moisture movement
0.15 mm/m (maximum).
0.15 mm/m (maximum).
0.15 mm/m (maximum).

Sustainability data

Country of material origin
United Kingdom
United Kingdom
United Kingdom
Country of product manufacture
United Kingdom
United Kingdom
United Kingdom
Recycled content
65 %
65 %
65 %