Verified by manufacturer 8 months ago
Reconstructed walling stone.
Cromwell walling from Marshalls provides the appearance of natural stone walling at an affordable price. Using Yorkstone aggregates quarried from the same natural sources as those used for natural stone walling to closely replicate the visual and textured characteristics of natural stone.
Features and benefits:
Color | Yellow Grey Beige |
Material | Concrete |
Shape | Rectangle |
Length | 220 mm 300 mm 365 mm 440 mm |
Width | 100 mm |
Height | 65 mm 140 mm 215 mm |
Uniclass | |
CAWS | F10/295 Manufactured stone blockwork F10/25 Manufactured stone blockwork |
Standard | To BS EN 771-5. |
Block description | Facing block. |
Appearance | Match existing. |
Finish | Pitched face.Guidance for specification option: Pitched Face Walling has a rough effect, with each block displaying a distinctive raised centre. Split face.Guidance for specification option: Split Face Walling is perfect for applications where a flatter, less prominent texture than a pitched face is required. Rustic.Guidance for specification option: Rustic Walling gives finished walling a rounded, softer and less defined finish. |
Colour | York stone.Ash.Brown.Weathered. |
Configuration | |
Form | Homogeneous. |
Bed face voids | None. |
Compressive strength (minimum) | |
Mean value | 20 N/mm². |
Characteristic value | 17.5 N/mm² minimum. |
Freeze/ thaw resistance | Frost-resistant. |
Thermal conductivity | 1.27 W/mK (@50%); 1.52 W/mK (@90%). |
Work sizes (length x width x height) | 220 x 100 x 65 mm.220 x 100 x 140 mm.300 x 100 x 65 mm.300 x 100 x 140 mm.300 x 100 x 215 mm.365 x 100 x 140 mm.440 x 100 x 65 mm.440 x 100 x 140 mm. |
Tolerance category | D1.Guidance for specification option: Length: +3 -5 mm. Width: +3 -5 mm. Height: +3 -5 mm. |
Gross dry density | 2300 kg/m³. |
Reaction to fire | Class A1 to BS EN 13501-1. |
Water absorption by capillarity | Not greater than 3 g/m²s. |
Water vapour permeability | 30/10 μ. |
Bond strength | 0.15 N/mm². |
Dimensional stability | 0.89 mm/m. |
Contains Red List materials | No |
Country of product manufacture | United Kingdom |
Recyclability | Recyclable at end of lifecycle |