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Shotblasted Hollow Block - Aggregate concrete blocks

Name: Shotblasted Hollow Block - Aggregate concrete blocks
Brand: Colinwell Masonry
SKU: b94mJNToFCpb3iVKqvKsti

Verified by manufacturer 9 months ago

Cellular

Colinwell Masonry

Third party certifications:

BBA Agrément Certificate
Certificate type
NSAI Agrément Certificate
Certificate type

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.

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BOS

+44 (0)28 9061 8145 Website

Application

Suitable for use in the construction of external and internal loadbearing and non-loadbearing walls, including the inner and outer leaves of cavity walls, party walls, partition walls and boundary walls.
Can also be used as reinforced masonry walls through incorporation of bed joint reinforcement.

Description

Masonry block with a shotblasted face finish. Manufactured from cement, graded aggregates, an integral waterproofer and pigment.

Features and benefits:

Versatile.
Suitable for environments where robust, durable finishes are required.
Good weathering characteristics.
Complements other building finishes, including traditional facing bricks, curtain walling and rainscreen cladding.
Water and frost-resistant, helping to retain a fresh, clean appearance.
Cured by steam to give the blocks efflorescence-free performance characteristics.
Manufactured in accordance with BS EN 771-3 and BS 5628-1.
Minimal maintenance required.
Non-combustible and will not contribute to the spread of flame.
Blocks are efflorescence free.
Available in a variety of colours.

General information

Color	Grey Guidance for specification option: Available in a variety of colours. Red Cream Green Gold Yellow White Show more
Finish	Matt Guidance for specification option: Shotblasted with matt texture.
Material	Concrete
Shape	Rectangle
Length	440 mm
Width	100 mm 140 mm 215 mm
Height	215 mm

Uniclass	Pr_20_93_52_01 Aggregate concrete blocksPrimary
CAWS	F10/18 Concrete facing blockwork F10/255 Concrete facing blockwork

Product range	Blocks

Specification data - Aggregate concrete blocks

Standard	To BS EN 771-3 and BS 5628-1.
Block description	Cellular, shotblasted face finish, matt texture, graded aggregate, precast concrete masonry blocks.
Compressive strength	-
Mean value	15 N/mm².
Freeze/ thaw resistance	- Manufacturer guidance Water and frost-resistant, helping to retain a fresh, clean appearance.
Thermal conductivity	1.25 W/m·K.
Work sizes (length x width x height)	440 x 100 x 225 mm. 440 x 140 x 225 mm.
Accessory and special shape types	Not required. Bond-beam blocks. Cavity closers. Cills. Half blocks. Lintels. Quoins. Squints. Manufacturer guidance Non-standard components and specials may be cut from standard units or, depending on quantity, manufactured to individual requirements. Consult manufacturer and insert requirements.
Tolerance category	D2. Guidance for specification option: To BS EN 771-5.
Reaction to fire	- Manufacturer guidance Non-combustible and will not contribute to the spread of flame.

Colour	Bracken. Guidance for specification option: Recommended mortar: Maroon U53. Buff. Guidance for specification option: Recommended mortar: Beige E74. Cream. Guidance for specification option: Recommended mortar: Cream G89. White cement should be used in the mix. Green. Guidance for specification option: Recommended mortar: Green N70. White cement should be used in the mix. Honey. Guidance for specification option: Recommended mortar: Tan C30. Natural. Guidance for specification option: Recommended mortar: Standard. Red. Guidance for specification option: Recommended mortar: Orange T36. Sandstone. Guidance for specification option: Recommended mortar: Cream G89. White cement should be used in the mix. Straw. Guidance for specification option: Recommended mortar: Yellow D10. Whinstone. Guidance for specification option: Recommended mortar: Black L62. White. Guidance for specification option: Recommended mortar: White J88. White cement should be used in the mix. Show more
Mortar type	Manufacturer standard. Maroon U53. Beige E74. Cream G89. Green N70. Tan C30. White J88. Orange T36. Yellow D10. Black L62. Show more Manufacturer guidance Refer to manufacturer recommended mortar in colour specification guidance.
Mortar mix	Guidance for specification option: See manufacturer's literature and insert requirements.
Joint	Guidance for specification option: See manufacturer's literature and insert requirements.
Spacing	6–10 m. Guidance for specification option: Spacing between control joint interval.
Material/ Finish	Concrete, shotblasted matt texture.
Efflorescence	None.
Average density	2100 kg/m³.
Shrinkage	<0.04% (drying). Guidance for specification option: To BS EN 772.4.
Water absorption	3–6%.
Bond strength	0.15 N/mm² (in shear). Guidance for specification option: To BS EN 998.2, Annexure C.
Moisture movement	0.15 mm/m (maximum).