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Please call 01494 758212.

For Earth and Lime call 01494 490473



Natural Building Blocks

A structural block of clay rich earth and chopped straw, Strocks can be used for internal and external load bearing walls typically up to 3 storeys.

Strocks used together with Warmshell external wall insulation creates a natural and low embodied energy external walling system. See our building systems page.

Strocks are bedded in our thin bed clay mortar from the same clay as the blocks creating a homogenous earth wall.


Internal and external load bearing walls

High mass internal walls

New build homes

Repair of earthen buildings

Structural base to earth floors


Extremely low embodied energy

Structurally proven

100% natural healthy materials 

Easy and quick to lay

Easy and quick to insulate using Warmshell system

Strock 425 x 215 x 95mm
Strock 300 x 150 x 95mm

Technical Characteristics:

Density:                               1350kg/cubic metre

Thermal Conductivity:      0.2 (W/mK)

Compressive strength:     2.6N/mm² (standard)

4.6N/ mm² (high strength)

or call 01494 490473 to speak to one of the team about this project