www.armstrong-europe.com
3
12
/
Special notes
12.1 Office castor chairs
Office castor chairs for use on resilient floorcover-
ings must be fitted with Type W castors in accord-
ance with EN 12529 (DIN 68131), i.e. with soft cas-
tors. This should be taken into account when new
castor chairs are purchased when castor chairs
are used or before they are purchased.
12.2 Discolouration in use
Through long periods of contact, rubber can leave
discoloured marks on all resilient floorcoverings.
These cannot then be removed. The causes of
such discolouration include: car tyres, castors, the
feet of washing machines and refrigerators, and
pram tyres. These discolourations do not appear
immediately, but are the result of the transfer of
substances and their subsequent exposure to light.
To avoid such discolouration, use polyurethane
castors. If this is not possible we recommend the
use of protective plates.
Ta
r, asphalt, mineral oils, grease and coloured floor
polishes that can be ground into the flooring with
footwear can result in discoloured marks in heavily
used areas on lightly coloured flooring, for ex-
ample, in rooms accessed from tarred roads, in
kitchens, or in the offices of petrol stations and car
workshops.
Armstrong DLW Nederland BV
Taxandriaweg 15
1542 PA Waalwijk
Phone:
+31 (0) 41 66 84 198
Fax:
+31 (0) 41 68 42 62
service_netherland@armstrong.com
www.armstrong-europe.com
Armstrong Floor Products UK Ltd
Hitching Court
Abingdon Business Park
Abingdon
OX14 1RB
Tel.: 01235 554848
Fax:
01235 553583
uk-info@armstrong.com
www.armstrong-europe.com
Armstrong DLW Belgium NV
Robert Ramlotstraat 89
B - 9200 Dendermonde
Phone: +32 (0) 52 26 24 11
Fax:
+32 (0) 52 26 24 89
service_belgium@armstrong.com
www.armstrong-europe.com
1
Subfloor
2
Copper strip
3
Conductive adhesive
4
Conductive flooring
5
Earthing strip
2
5
4
1
2
4
3
4
4
2
3
Tiles on copper strip
Sheets on copper strip
Tiles on conductive subfloor
(Frequency of earth connection points)