FAQ’s
Weathertex (Cladding)
No; Natural Weathertex products may be left to silver off or stained according to your preference. Recommended stains include, Resene woodsman wood oil, or Dulux intergrain ultra deck, based on your specific requirements such as budget and colour. For detailed instructions on staining, please refer to section 1.5 of the New Zealand Installation Manual.
Yes; it is necessary to re-prime the cut edges of pre-primed Weathertex products before painting. Use a tannin blocking exterior primer that is either water or solvent-based. For the appropriate priming technique, consult section 1.4 in the New Zealand Installation Manual.
Yes; You can leave Weathertex Natural uncoated, allowing it to naturally age to a rustic grey. Refer to section 1.5 of the New Zealand Installation Manual for guidance on the effects of leaving the product uncoated.
Yes; While you may use an alternate brand, Weathertex systems are designed to be used with the Weathertex cavity closure. For optimal performance, refer to section 1.7 in the New Zealand Installation Manual.
Natural uncoated products are warranted for 15 years
Pre-primed Weathertex products are warranted for 25 years.
Yes; Weathertex is suitable for garage doors, with a density specification of 10.12kg/m2. Reference section 1.2 of the New Zealand Installation Manual for further details on product specifications.
Yes; For cavity fix and direct fix. #511,512,513,514.
Yes; Trimming is only required at interstory levels when a seismic junction is involved. For more information, please consult the relevant sections of the New Zealand Installation Manual.
Please refer to the Weathertex Screw Hole Filler Technical Bulletin (TB-012, Oct 2024) for full instructions in the Technical Downloads section under the Weathertex Tab. It details the required tools, primers, fillers, and finishing methods to ensure correct installation
Gorilla FixALL High-Tack is the recommended filler for Weathertex products. Application details can be found in section 1.4 of the New Zealand Installation Manual.
Yes, Weathertex products can be directly fixed. For direct fixing techniques, refer to the relevant sections of the New Zealand Installation Manual.
For cavity fixing, use 40x20mm vertical batten, castellated horizontally. This is detailed in section 1.7.7 of the New Zealand Installation Manual.
The best practice is to paint the edge of the sheet first before insertion into the Off-stud joiner, using a brush, roller, or spray gun. For painting instructions, please see section 1.4 of the New Zealand Installation Manual.
Yes; as long as all Weathertex fixings penetrate into a structural element with a minimum of 30mm.
10.12kg m2
Yes; Weathertex comes with a Zero LRV rating. (Dark colours will require more maintenance)
No; Weathergroove can only go vertically. Use Ecogroove Selflok for horizontal lines.
No glues are required when installing Weathertex.
Yes; battens installed at 400mm centres
Resene woodsman wood oil, Dulux intergrain ultra deck.
Only if no coatings have been applied then use Cabot’s deck cleaner.
No; Water blasting will start to lift fibres causing accelerated deterioration
Frequently Asked Questions FAQs | Weathertex
Accoya
Accoya can be in contact with aluminium only if the aluminium is factory coated. This is to prevent any potential reaction between the materials
No; galvanised fixings should not be used with Accoya. Only stainless steel fixings, grades 316 or 304, are recommended to avoid corrosion and ensure longevity
No; you are not required to stain or paint Accoya as it can be left uncoated. Accoya has natural durability and stability, and can weather naturally without the need for protective coatings
Like other wood species, uncoated Accoya wood will weather over time to an elegant slivery grey colour when left outside and exposed to the elements. View more: https://www.accoya.com/nz/faq/what-will-my-uncoated-accoya-look-like-over-time/
The specific type of glue recommended for Accoya can be found in the Accoya wood information guide, section 5, page 13. This can be found in the Technical downloads section under the Accoya tab
Accoya is fire rated under the fire rating of C. This rating is part of a classification system that determines the degree of fire resistance of building materials
You must use a tanning blocking primer- recommended Dulux Ultra Prime / ReseneTrue Prime
Dulux intergrian, Resene woodsman solvent borne wood oil.
Accoya Color
Unlike uncoated Accoya, which slowly changes colour outdoors, Accoya Color Grey is pre-coloured through to the core, giving a consistent grey look from the start.
It typically carries up to a 50-year warranty for above-ground applications, offering peace of mind and long-term performance.
Thermofixx230
Thermofixx230 undergoes heat treatment at 230°C, which removes resins, sugars, and moisture, resulting in enhanced durability, rot resistance, and stability compared to untreated pine.
Yes, it must be coated (stain, oil, or paint) and is supplied with a bandsawn face only.
It includes a 15-year warranty against fungal decay (terms and conditions apply).
Yes, our thermally modified pine cladding is supplied with two factory-applied coats. This provides extra durability, UV protection, and reduces on-site finishing time.
It has improved durability (Class 2), excellent stability in changing weather, and is chemical-free, making it sustainable.
Tricoya
Tricoya is a high-performance exterior-grade MDF panel made via acetylation, delivering exceptional dimensional stability and resistance to swelling, decay, and all-weather exposure.
It offers superior decay resistance—even outperforming oak and tropical timbers like teak.
Yes—it’s fully machinable, accepts conventional paint systems, and can be laminated with veneers, melamine, decorative foils, and adhesives suitable for exterior use
Eziply
EziPly is constructed from FSC-certified radiata pine veneers bonded with exterior-grade phenol-formaldehyde resin, and complies with AS/NZS 2269 standards. It comes in CD and DD grades and offers both untreated and H3.2 (MCA) treated options.
Absolutely. Depending on grade and treatment, EziPly is versatile enough for wall bracing, flooring, ceiling or roof substrates, soffits, and internal panelling. Untreated or H3.2 treated options allow use in both dry and high-moisture environments as specified in NZ building standards.