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Bekstone - Walling Data

Walling Technical Information

Pack Sizes  
Size (mm) No./ Pack m2 / Pack      
229 x 102 x 65 415 7.44
Water Absorption: Less than 10% absorption by weight after 24 hours
305 x 102 x 65 309 7.30  
380 x 102 x 65*  228 6.67      
229 x 102 x 102 273 7.31      
305 x 102 x 102 207 7.30   Thermal Conductivity:
 Protected     -  1.25W/mk
380 x 102 x 102 150 6.55     Unprotected -  1.35W/mk
229 x 102 x 121 238 7.45      
305 x 102 x 121 180 7.43   Mean Dry Density: 2050 kg/m²
380 x 102 x 121 130 6.64      
229 x 102 x 140 202  7.24      
305 x 102 x 140 153 7.23   Compressive Strength: Average 20 N/mm²
380 x 102 x 140 110 6.44      
229 x 102 x 215 131  7.05      
450 x 102 x 215* 63 6.83   Pack size includes 10mm jointing widths. All dimensions are nominal


* Only available in split or pitched face

Composition

All products are manufactured from accurately controlled proportions of milled limestone, cement and pigments. The
products are manufactured from natural materials and may be subject to slight colour variations. It is therefore
recommended that users work from 3-4 packs to achieve optimum colour blending.

Weathering

Many factors influence weathering characteristics, such as location, degree of exposure, prevailing weather conditions
and design. Bekstone Walling will weather in a similar manner to natural stone. Bekstone will not be held responsible
for the apparent colour fading or any other effect on the appearance of the stone due to efflorescence. This is a temporary phenomenon characteristic of all high cement content products that will reduce over a period of time.

Water Absorption

As with all facing masonry (reconstituted stone, bricks and natural stone) the external envelope is not totally impervious
to heavy driving rain as there is the possibility that water penetration will take place through mortar joints. To avoid this
good building and site practice should be observed. Tests carried out gave a mean average of less than 10% absorption by weight after 24 hours.

Movement Joints

Consideration must be given to the inclusion of movement joints. These should be installed wherever there are changes in height, wall thickness and not greater than 6 metre centres of continuous walling. Bed reinforcement should be included above and below openings extending at least 600mm either side of the opening.

Mortar

We strongly recommend the use of mortars containing lime because their lower permeability gives greater resistance to rain penetration. Cement: Lime: Sand = 1 : 1 : 6 Masonry Cement: Sand = 1 : 4 Plasticised Cement: Sand = 1 : 5