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In N
ew Z
eala
nd: R
esen
e Pa
ints
Lim
ited,
Vog
el S
treet
, PO
Box
3824
2, W
ellin
gton
Mai
l Cen
tre, L
ower
Hut
t 504
5 Ph
one
0800
RES
ENE
(737
363
) F
ax (0
4) 5
77 0
600
Em
ail a
dvice
@re
sene
.co.n
z or v
isit w
ww.
rese
ne.co
.nz
In A
ustr
alia
: Res
ene
Pain
ts (A
ust)
Limite
d, 7
Pro
duct
ion
Ave,
PO B
ox 7
85, A
shm
ore
City,
Que
ensla
nd 4
214
Phon
e 1
800
738
383
Fa
x 18
00 0
64 9
60
Em
ail a
dvice
@re
sene
.com
.au
or vi
sit w
ww
.rese
ne.co
m.a
u
acces s spec i f i c a t i on i n fo rmat ion on l i ne a t www. re sene. com.au o r www. re sene. co.n zm in im i se the e f f e c t o f you r p ro j e c t on the env i ronment – see the Resene webs i t e
If in doubt about any aspect of your specification please contact Resene.
D803
General
Bitumen substrates start their life as soft solvent sensitive materials but, when exposed to the
atmosphere for long periods, oxidise to hard solvent insensitive materials. If painted early the bitumen
will remain soft underneath and in some circumstances bitumen may be overcoated with very fast
evaporating solventborne paints, such as roadmarking paints. When bitumen is overcoated early in
its life with acrylic systems, the bitumen will remain soft for a very long time. EPDM substrates have a
high mineral oil content that can pull through solventborne paint systems, affecting the adhesion.
The key aspect in painting baked enamel surfaces is adhesion. These surfaces are difficult to
adhere to and require a special adhesion primer. Once primed the materials may generally be
treated as normal. Polyethylene and polypropylene however, are exceptionally difficult and even
special adhesion promoted primers do not develop what could be categorised as excellent adhesion.
Furthermore, these materials soften under the influence of heat and overcoating with dark colours
should not be used.
Building plastics, such as UPVC, may be directly overcoated with good quality adhesion promoted
waterborne finishes. These thermoplastic materials are sensitive to solvents and may also soften
under the influence of heat. Dark colours should not be used to avoid warping.
Canvas may be subject to all weather conditions and is prone to mould growth. Ensure all cloth
surfaces, such as exterior umbrellas, are dry before folding or storing away.
Surface preparation
Baked enamel substrates
Most old COLORBOND®/COLORSTEEL® roofs may be treated as for normal repaints, using a full coat
of Resene Galvo One (see Data Sheet D41) as the primer once the surface has been prepared.
D803.1 Clean surfaces
Thoroughly wash down with Resene Paint Prep and Housewash (see Data Sheet D812) to remove all dirt, dust, grease, chalk, cobwebs
and other contaminants. Rinse thoroughly with clean water. Allow to dry.
D803.2 Remove all moss and mould
Thoroughly clean down to remove all loosely adhered material. Treat areas of moss or mould infestation with Resene Moss & Mould
Killer (see Data Sheet D80) correctly diluted with clean water. Leave for up to 48 hours to achieve full kill. For heavy infestations
further applications may be needed. Wash thoroughly with clean water to remove residues.
Bitumen substrates
Refer above for the following surface preparation clauses.
D803.1 Clean surfaces
D803.2 Remove all moss and mould
Building plastics (UPVC), Perspex, polycarbonate and polystyrene
Refer above for the following surface preparation clauses.
D803.1 Clean surfaces
D803.2 Remove all moss and mould
Feb 2010
Continued over
Miscellaneous surfaces
including bitumen, fabric, plastic
and rubber
Referred to in Resene specification sheets:
10 Bitumen surfaces, butyl and EPDM rubber
11 Baked enamel systems (COLORBOND®/COLORSTEEL®), polyethylene and polypropylene
12 Acrylic sheeting (Perspex), glass reinforced epoxy (GRE), glass reinforced polyester (GRP), polycarbonate, polystyrene and unplasticised PVC
16 Canvas, hessian and Scandatex
For smoke damaged surfaces see D86
For repaints see D87
Continued
In New Zealand: Resene Paints Lim
ited, Vogel Street, PO Box 38242, Wellington M
ail Centre, Lower Hutt 5045
Phone 0800 RESENE (737 363) Fax (04) 577 0600 Email advice@
resene.co.nz or visit ww
w.resene.co.nzIn Australia: Resene Paints (Aust) Lim
ited, 7 Production Ave, PO Box 785, Ashmore City, Queensland 4214
Phone 1800 738 383 Fax 1800 064 960 Email advice@
resene.com.au or visit w
ww
.resene.com.au
acces s spec i f i c a t i on i n fo rmat ion on l i ne a t www. re sene. com.au o r www. re sene. co.n zm in im i se the e f f e c t o f you r p ro j e c t on the env i ronment – see the Resene webs i t e
If in doubt about any aspect of your specification please contact Resene.
Printed on environmentally responsible paper, which complies with the requirements of environmental management systems FSC Chain of Custody and ISO14001, using vegetable-based inks. Please recycle.
CanvasRefer above for the following surface preparation clauses.
D803.1 Clean surfaces
D803.2 Remove all moss and mould
D803.3 Treat with water repellent
Coat canvas with Resene Aquapel (see Data Sheet D65).
Glass reinforced epoxy (GRE) and glass reinforced polyester (GRP)
Refer above for the following surface preparation clauses.
D803.1 Clean surfaces
D803.2 Remove all moss and mould
D803
Recommended