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    Garapa Guide

    3 Nov 2017, 10:55 AM

    Garapa is often referred to as ‘Brazilian Ash’. It is light yellow to golden brown in colour. It is strong and durable and can be left untreated and weathers naturally to an even silver /grey.

    Technical Information

    Main Species Garapa (Apuleia leiocarpa)
    Wood Type Tropical Hardwood
    Distribution / Origin South of Brazil, Argentina, Venezuela and Peru.
    Allergic Reactions Certain wood dusts can cause respiratory, contact dermatitis and allergic reactions. Care should be taken when working with this wood. Woodtrend recommends working with a mask.
    Density at 12% M.C. 790 kilos/m3
    Average Hardness Janka: 2280 (White Oak: 1360)
    Brinell: 4.4 (White Oak: 3.8)
    Moisture Movement Medium
    General Characteristics Sapwood is narrow and whitish in colour while the heart wood is mainly yellowish, varying from yellowish-brown to pinkish-yellow, tending to acquire a reddish or coppery hue after exposure. The wood is lustrous, with a straight to spiralling grain (occasionally slightly interlocked) and with a fine, uniform texture. The wood is hard, heavy, tough and strong.
    Natural Durability and Treatability Fungi and termite resistance refers to end-uses under temperate climate. Except for special comments on sapwood, natural durability is based on mature heartwood. Sapwood must always be considered as non-durable against wood degrading agents.
    E.N. = Euro Norm

    Funghi (according to E.N. standards): class 3 - moderately durable
    Dry wood borers: durable - sapwood demarcated (risk limited to sapwood)
    Termites (according to E.N. standards): class M - moderately durable
    Treatability (according to E.N. standards): class 3 - poorly permeable
    Use class ensured by natural durability: class 2 – inside or under cover (dampness possible)
    Species covering the use class 5: Yes

    The natural durability of Garapa is very variable. In some cases, this variability can be observed inside the same piece of wood. This species cannot be used without appropriate preservative treatment for end-uses under use class 3 except for some parts of a work such as windows, less exposed than others (entrance doors, shutters, ...).
    This species naturally covers the use class 5 (end-uses in marine environment or in brackish water) due to its high silica content. However, it is not recommended to use it in case of strong structural constraints due to its medium mechanical properties; it is most suitable for end-uses like shipbuilding.
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