Stone Masonry

Sawn Natural Portland Whitbed

This fine textured limestone was the chosen material of Sir Christopher Wren for the rebuilding of London after the Great Fire. The material is ideal for public buildings and large scale commercial developments and can be formed into almost any architectural embellishment as well as masonry.

Sawn Natural Portland Whitbed

Availability

Block for landscaping or as sawn two sides, sawn six sides or as finished masonry.

Maximum Sizes (metres)

Height on bedLengthWidth
Quarried0.6-0.92.52.0
Sawn Six Sides0.6-0.91.00.5
Blocks1.42.52.0


Specifications

GeologyJurassic portlandian Portland oolitic limestone.
ColourCreamy white stone with comminuted shell clasts.
TextureTight textured with some shell fragments.
Crushing StrengthAir dried 321 - 529kgf/cm2
WeightWater saturated 2400kg/m3
Porosity (%volume)18.0
Saturation coefficient5.1


Recommended Uses

Civil engineering works (bridges, dams)
Landscaping
Retaining walls, batters
Load-bearing masonry
Arches
Columns with limited height
Piers with limited height
Lintels with limited length
Stone slips
Non load-bearing cladding and facings
Window surrounds
Plinths
Copings
Steps, stairs
Walling
Thresholds, sills
Paving
Paving Setts
Flooring
Fireplaces
Boundary walls
Kerbs and quadrants
Decorative work (carving, moulding)
Sculpture, bas-relief


NEED ASSISTANCE?

Our experienced technical consultants would be happy to answer your questions about any of our products or materials. Contact us to discuss what you need.

CALL US ON
01403 785141

Copyright © WT Lamb & Sons Limited, Trading and Lambs Bricks & Stone.
2024 All Rights Reserved Company Registered in England and Wales.
Samples are indicative of the texture and colour of our material.
No warranty is given or implied that goods will in all respects be equal to the sample.