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  • Siberian Larch Timber Decking Specification(RIBA/BALI) Painted, Oiled

    Use Siberian Larch for your project

    Siberian Larch Decking and Cladding Painted Sikkens Puidukoda UK Ireland

    Larix Sibirica; Siberian Larch Softwood timber decking is ideal for both internal and external joinery applications it has the significant advantages such as it is naturally durable and can be used externally above ground without the need for any preservative treatment and significantly denser than pine or spruce.It remains the most commonly used natural type of untreated wood decking.

    (Russian) Siberian Larch can be used in various applications such as at ground level, as floating deck above ground or as a raised decking on rooftops, terraces etc. Moreover, it can be used in public, and domestic areas refer to your building regulations and planning permission for guidelines on this.

    Siberian Larch timber Decking Specification support for designers, architects, specifiers and contractors. We can supply Siberian larch in different forms e.g natural without any pre-finishing, fully finished  (oiled, painted, coated, varnished, lacquered etc) moreover we can supply with anti-slip resistant grip aggregate inserts and a fire retardant treatment. Please download the dedicated Siberian Larch decking and cladding brochure for the large range of options we can offer. We can supply in bulk as mixed, half loads or project specific for delivery throughout the UK and Ireland to Contractors, Importers, Joinery, Modular, Prefab, Offsite Companies,  Timber Merchants, Builders Merchants contact us for more information and samples.

    Siberian Larch Timber Decking Specification(RIBA/BALI) Painted, Oiled Puidukoda

    Siberian Larch decking Puidukoda

    We have included installation guidelines to show how easy it is to cut and to easy to fix. It can be supplied in different patterns or profiles, e.g. smooth; ribbed reeded castellated, reversible etc.see some of our stock profiles It can be supplied with anti-slip slip resistance properties to give better grip underfoot. Depending on the intended use area e,g external we can pressure treat, e.g. tantalised, vac-vac to enhance its durability. It can be stained, painted, waxed, oiled or ferrous sulphate applied to enhance its finished look.

    Siberian Larch Timber Decking Specification(RIBA/BALI) Painted, Oiled Puidukoda

    Siberian Larch decking Ferrous Sulphate treated for a Weathered silvery grey look – Puidukoda

    Russian Larch; Siberian Larch is our material of choice for external applications or internal applications where pressure preservative treatment is not required against biological attack (wood-destroying organisms such as insects and fungi). The Siberian Larch we supply is slow grown, and from Russian regions and of good quality, it is important to specify this. The minimum service life of our decking if well installed and specified above ground is 15years.

    Typical end uses:

    Standard and with anti-slip decking.

    Related literature

    The following content references this product:


    Installation guidelines


    Standard product features

    Wood type:

    Softwood. Siberian Larch


    Untreated larch is pale yellowish-brown to reddish-brown, resinous, and usually distinct from the sapwood.


    FSC or PEFC to achieve minimum Good to Excellent BREEAM rating

    Manufactured in an ISO 9001 QMS Certified Organisation


    Planed all round.


    Nordic Regions, Europe,  Russia and Northern Asia.

    Density (16–18% moisture content):

    590 kg/m³.



    Recommend fixings:

    Only top quality stainless steel fixings should be used to avoid corrosion of fixings and blue staining of the profile.



    Common lengths are 3.0mtr 4.0mtr and  6.0mtr  lengths typically offered. Other lengths in 300 mm increments can be offered as well as precision end trim lengths in packs or bundles

    Anti-slip insert strips:

    – Two – for residential use and commercial use:

    United Kingdom Slip Resistance Group (UKSRK) guidelines.

    NBS Specification


    This product is associated with the following NBS Create clause:

    45-45-95 Softwood deck boards

    NBS Specification


    This product is associated with the following NBS clauses:

    Q55 External decks, boardwalks and bridges

    • 380 DECK BOARDS

    Treatment if required any of the following specifications are commonly used although preservative manufactures can develop specifications.

    • National Building Specification NBS Z12 Preservative and Fire Retardant Treatment
    • BS 8417 Preservation of wood. Code of Practice
    • Commodity Specifications ( C1 to C12) in Wood Protection Association (WPA) Manual Industrial Wood Preservation

    Our quality is AB Grade Quality request for images/samples to establish a comparison to BS EN 942:2007 Timber in joinery. General requirements  Quality classes J2,J5,J10,J20,J30,J40,J50

    Please visit our product videos page for more information on timber cladding, flooring, decking, mouldings/profiles, fire treatment –  product, manufacture and installation, fitting information/instructions.

    Product specification contact the manufacturer:



    Hendrik Moora

    Puidukoda OU,

    Karsi Parish

    Karsi 69104



    Tel: (UK) +44 7480317198

    Estonia GSM +372 5248 823

    Tel: Estonia + 372 433 8690

    Website: www.puidukoda.co.uk

    Email: info@puidukoda.co.uk