Isle of Man - Turkeyland
Situated at Turkeyland Quarry, adjacent to the main runway at
Ronaldsway Airport, C.Kniveton Ltd is the largest producer of
concrete bricks and blocks on the island.
The Company manufactures products that are compliant with the
requirements of BS EN 771-3 under a British Standards
Institute Kitemark Licence (certificate reference
KM41121). Our in house sampling and testing occurs at a
frequency 0.02% of the daily manufacture for a given product and
test records are available for inspection ,by request.
Thermal Conductivity @ 3% moisture content on bulk dry density
Solid blocks: Height 215mm, Length 440mm and
available in the following standard widths 100mm and 140mm, with
average densities of 1800 and 2020kG/m3 respectively.
Cellular blocks: Height 215mm, Length 440mm,
Width 140mm. Average void space 25%. Average density 1407kG/m3.
Bricks: Height 65mm, Length 215mm and Width
100mm. Average density 2100kG/m3.
Stength and Finish:
The minimum crushing strength supplied is 7N/mm2 . However, we
are able to supply 10,14 and 21 N/mm2 to order.
All products are supplied as a common finish. The
Company can also manufacture (to order) its products with a
fair face finish, suitable for painting without rendering.
Carboniferous limestone aggregates and sand compliant with the
requirements of BS EN 12620 and cement compliant with the
requirements of BS EN 197-1 2000. Water is drawn from the public