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Ancaster Weatherbed
- 1. Ancaster Weatherbed Limestone Ancaster Weatherbed - Lincolnshire Jurassic, bioclastic Buff Blue limestone. www.blockstone.com
- 2. Ancaster Weatherbed Limestone Early uses include drystone walling and crude buildings Ancaster limestone was first quarried for construction by the Romans in the first Century AD Long term performance an in exterior environment. www.blockstone.com
- 3. Ancaster Weatherbed Limestone The uppermost bed is known as the Ancaster Weatherbed Underlying the Weatherbed are Hard White Basebed bed, Combined thickness of c. 3–4 m. www.blockstone.com
- 4. Ancaster Weatherbed Limestone Weatherbed Technical Characteristics Density 2410 kg/m³ Compressive Strength 85MPa Water Absorption 3.92% Porosity 8.3% Durability Change in flexural strength 0.8% Abrasion Resistance 31.6mm Salt crystallisation-Weight loss -0.51% Average Block Size 1500L x 1000W x 300H Block range 2 – 10 tonnes www.blockstone.com
- 5. Ancaster Weatherbed Limestone Weatherbed has been used for some local and regional buildings. Much harder than the white so limited use. The restoration of the chimneys at Stoke Rochford Hall following the fire in 2005 www.blockstone.com
- 6. Ancaster Weatherbed Limestone Lincoln New façade of The Collection Museum Panter Hudspith Architects www.blockstone.com
- 7. Ancaster Weatherbed Limestone Oxford Clarendon Centre Marchini Curran Associates www.blockstone.com
- 8. Ancaster Weatherbed Limestone Essex University Albert Solomon library Patel Taylor Architects www.blockstone.com
Editor's Notes
- The Ancaster Weatherbed is a Jurassic bioclastic Buff Blue limestone. That is,one made of skeletal fossil fragments of once living marine or land organisms. It is some 170 million years old which put its formation around about the time the dinasaus were walking the earth.
- Early uses of Ancaster Weatherbed include an ancient coffin; drystone walling and crude buildings but Ancaster limestone was first quarried for construction by the Romans in the first Century AD and has proved to have a long term performance an in exterior environment.
- The uppermost bed of the sequence is known as the Ancaster Weatherbed and is approx. 2-3m thick Underlying the Weatherbed are the Hard White and the Basebed beds, which have a combined thickness of c. 3–4 m. The Hard White limestone and the Basebed beds are in general less coarsely fossilised than the Weatherbed.
- As can be seen from the Technical results the Weatherbed is a hard limestone with a low water absorption and excellent durability.
- Although the Weatherbed is a hard stone the hard White was often used in the historical past because of its ease of cutting and working. However this photo shows one of many a set of chimneys masoned by Croft Building & Conservation Ltd from Weatherbed in 2005 after a major fire at Rochford Hall.
- New façade of The Collection Museum in Lincoln designed by Panter Hudspith Architects. The differing colours of Ancaster were used as mainly blue on the ‘sound wall’ leaving a generally buff exterior walling. The flooring however preserved the original and natural mix to great effect.
- This is the Clarendon Centre in Oxford designed by Marchini Curran Associates using the full range of the colour mix in both a natural bed walling and face bedded rainscreen.
- Here the Albert Solomon library at Essex University designed by Patel Taylor Architects again uses the full range of the stone but also brings the different finishes into play. That concludes the look at Ancaster Weatherbed and we will bring you another stone very soon. For further information on this or any of our stones please visit www.Blockstone.com