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Red Balau, also known as Batu, is a dense tropical hardwood prized for its rich reddish-brown hues and exceptional durability. Naturally resistant to rot, decay, and insects, Red Balau is ideal for outdoor applications where strength and longevity are essential. Its tight grain and robust structure make it a low-maintenance choice for decks, patios, boardwalks, and other exterior projects. With a warm, vibrant color and a long-lasting performance, Red Balau delivers both beauty and reliability for residential and commercial construction projects.
Naturally strong tropical hardwood designed to perform reliably in outdoor environments Resists rot, decay, and wood-boring insects without the use of chemical treatments Dense, hard surface helps minimize scratching and wear in high-traffic areas Requires minimal maintenance compared to many traditional decking materials All-natural wood product with no added preservatives or chemicals Offers a long service life, commonly lasting up to 30 years with proper installation Performs well in humid, wet, and coastal climates Redish-brown coloration adds natural character and long-lasting visual appeal Suitable for both residential and commercial decking applications
"Proper acclimation and installation are key to ensuring **Red Balau** lumber remains stable, durable, and visually appealing over time.
**Acclimation Before Installation**
Allow boards to adjust to the local environment for **7–14 days** to reach a balanced moisture content before installation. Stack boards off the ground and use spacers between layers to allow airflow around each piece.
**Storage & Handling**
Keep lumber elevated and covered to protect it from rain or direct sunlight while still allowing ventilation. Avoid placing boards directly on soil, concrete, or other surfaces that could affect moisture levels.
**Installation Tips**
Ensure proper airflow and drainage beneath the structure to prevent moisture buildup and minimize warping or cupping. Use corrosion-resistant fasteners and follow recommended joist or framing spacing to maintain long-term stability. Seal all cut ends to reduce moisture absorption and help maintain dimensional stability."
Red Balau is a naturally durable hardwood that performs exceptionally well outdoors with minimal upkeep. Routine care helps preserve its appearance and structural integrity over time. Clean regularly to remove dirt, debris, and organic buildup using mild soap and water. Avoid harsh chemicals or high-pressure washing, which can damage the wood fibers. For those who wish to maintain its original golden color, apply a penetrating hardwood oil periodically. If left untreated, Red Balau will gradually weather to a silver-gray patina without affecting its strength or durability. Inspect fasteners and joints occasionally to ensure your deck remains safe and stable. With simple maintenance, Red Balau decking delivers lasting performance, beauty, and value for decades in any outdoor setting.
"All products sold on this website are intended for construction, decking, and woodworking purposes. Due to the natural characteristics of wood, including variations in grain, color, knots, and moisture content, the appearance of the products you receive may differ from images shown online.
Random Length Orders: Boards included in random length orders may range from 6′ to 18′ in length. Exact lengths are not guaranteed, and customers should account for this variation when planning projects.
By purchasing products from this site, you acknowledge and accept that wood is a natural material, and minor defects or differences in size, color, or texture may occur. It is the buyer’s responsibility to inspect all materials upon delivery and ensure suitability for their intended use."
Species of Wood: Red Balau
Photosensitivity: Yes, Red Balau darkens on exposure to UV light
Density: 850 (KG/m3)
Janka Hardness: 2,100 (pounds)
Modulus of Rupture (MOR): 18,400 (psi)
Modulus of Elasticity (MOE): 2,560 (1000 psi)
Grade: Std + Btr
Grain: All Heart
Usage: S4S E4E
Condition: Kiln Dried
Weight Per 1000 Board Feet: 3150 lb
Size Description: 1×4 (.75×3.5”), 1×6(.75×5.5”), 5/4×4(1×3.5”), 5/4×6(1×5.5”), 2×4(1.5×3.5”), 2×6(1.5×5.5”), 2×8(1.5×7.25”)
Other Names: Shorea guiso, Red Balau, Alan Batu, Selangan Batu, Mangaris, Membatu.