Buy Online Magnesium Sulfate Board

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ROCKMAXPAN

About Rockmaxpan
Kunshan Boda Building Material Co.,LTd.is a new company established
in 2010, which is original designer and professional producer of
magnesium oxide cement boards, our production base covers 10000
m2,located in SuZhou City, Jiangsu province, about 60 km from
Shanghai.
We continue to research and develop on
new concrete technology that has been
ahead of industry. Our group company has
been member of CFPA(China Fire
Protection Industry AsNow sociation) since
2003,most of our product has been famous
in local market. we are devoting ourselves to
supplying the first class product to maximize
customer’s fireproof security purposing from
worldwide.

MAGNESIUM-OXIDE BOARDS CAUSE MOISTURE DAMAGE INSIDE
Magnesium oxide board, “MgO-board”, is a factory-made sheathing board
product, which has been widely used in the last 5 years in ventilated
facades on new or renovated buildings in Denmark. In winter 2014/15, a
number of problems began to appear with these boards since the boards
and adjoining building elements seemed to suffer from some sort of disease,
which manifested itself by damages such as significant moisture, boards
leaking salty water (‘tears’),corrosion of fittings and anchors and mould
growth.

Figure 1: Sketch of a typical façade construction where a sheathing board is
used as wind barrier. Adapted from [1]. Figure 2: Photo of 8 mm thick MgOboard
with a glass fibre mesh on both surfaces. The observed damages were
caused by the fact that MgO-boards absorb moisture from outside air.
Water drops containing chloride ions appear on the outside of the boards –
often so many that they run down the vertical boards and out via the air gap
behind the siding boards (see Figures 4 and 5). The metal mountings for the
MgO-boards can corrode heavily within a few years, cf. Figure 6.

Figure 5: The water drops
containing chloride ions run down
the vertical MgO-boards and
drain out of the wall from behind
the wall’s siding boards.
Figure 6: The zink covering of the steel
profile is corroded as a result of direct
contact with salty sweat or ‘tear’ drops from
the adjacent MgO-board.

Contact Us:
Kunshan Boda Building Material Co Ltd
No.18,Yuewang Industry Zone
City : Suzhou
Province : Jiangsu
China
Tel: +86-512-36904020
Fax: +86-512-50130104

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