Last updated posted 2013 jun 27 10 14 pm aest posted 2013 jun 27 10 14 pm aest user 520642 695 posts. To be used outdoors in ground or ground contact.
It is recommended that kiln dried cca treated timbers be allowed to age for 7 fine.
Painting h3 treated pine. The current recommendations for painting preservative treated timber in a range of situations. Cca seasoned kiln dried to aust standards cca treated timbers can be primed and over coated with acrylic water based paints. Exterior solid colour acrylic finish.
Fixing all bolts screws nails plus brackets framing anchors and other hardware in contact with preservative treated pine should be hot dipped galvanised monel silicone bronze or stainless steel. The first step to painting your treated pine is to ensure that your correctly identify it. Posted 2013 jun 27 8 58 pm aest.
Painting and staining unfortunately a perception has developed that treated timber does not need painting. Electroplated fasteners are not suitable due to early break down of the plating. H1 or h2 for interior use only or h3 h4 or h5 for outdoor usage.
The tanalised clear h3 losp treatment is not susceptible to the dye bleeding as discussed for h2. This deﬁnes the treatment level required which is given an h number as per as1604 1. Archive view return to standard view.
It is important to remember that most losp treated pine must be painted or. To be used outside above the ground. See our page on identifying treated pine.
The ﬁrst consideration is the broad application in which the timber is to be used. Ensure that you correctly identify your treated pine for painting over coating or gluing and then refer to our painting and maintenance pages for more information. Or paint finish prior to construction.
H3 exterior above ground use protection from moderate decay periodic wetting and termites. To be used outdoors in ground with water contact. However the presence of water repellent agents may affect the adhesion or some paints.
Used in facia boards doors etc that are maintained with regular painting. The following procedures are recommended for the painting of new losp treated timber for h3 applications. While the preservative treatment will protect against decay and insect attack for decades the timber is still prone to the effects of general weathering such as splitting warping fading and surface discoloration.