I Joist
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 3.9m
meyJOIST H2S engineered timber I-joists deliver the straightness and stiffness needed for long-span floors. This 300 x 45mm, 3.9m member is termite-protected (H2S) for internal, above-ground use and suits floors and roofs requiring dependable performance. Lightweight and stable, it installs with standard tools and widely available brackets. Expect reduced bounce, improved spans and fewer supports for faster builds. Suitable for residential and light commercial applications where consistent quality is essential.
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 4.2m
Designed for performance, meyJOIST H2S I-joists bring high stiffness with low weight to site. This 300 x 45mm, 4.2m length is H2S termite-protected for internal, above-ground applications and performs in floors and roof systems. Straight and dimensionally stable, it cuts, drills and fixes easily using standard tools and hangers. Achieve long spans, reduced deflection and clean services routing. Ideal for residential and light commercial framing where predictable results and installation speed matter.
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 4.5m
meyJOIST H2S engineered timber I-joists are built for straight, quiet floors and efficient roofs. This 300 x 45mm, 4.5m member provides termite protection (H2S) for internal, above-ground use and delivers excellent stiffness. Lightweight and easy to handle, it installs quickly with standard tools and common connectors. Achieve longer spans with fewer supports and lower bounce. A dependable choice for residential and light commercial projects demanding consistent quality and fast, accurate installation.
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 4.8m
Engineered for longer spans, meyJOIST H2S I-joists provide high stiffness and straightness. This 300 x 45mm, 4.8m section is termite-protected (H2S) for internal, above-ground applications and suits floors and roof framing. The light, stable member is easy to cut, drill and fix with standard tools and hangers. Expect reduced deflection, fewer mid-supports and clean service penetrations. Ideal for residential and light commercial construction where speed and reliable performance are key.
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 5.1m
Strong, straight and easy to handle, meyJOIST H2S I-joists improve build efficiency. This 300 x 45mm, 5.1m member is H2S termite-protected for internal, above-ground use and provides excellent stiffness for floors and roofs. Factory-straight and dimensionally stable, it installs with standard tools and commonly available hangers. Achieve longer spans, reduced deflection and cleaner services. Suitable for residential and light commercial projects where consistent quality and fast installation are essential.
$100.73
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 5.4m
meyJOIST H2S engineered timber I-joists deliver the stiffness and straightness needed for superior floors. This 300 x 45mm, 5.4m length features H2S termite protection for internal, above-ground use and suits floors and roof systems. Lightweight and stable, it cuts and fixes easily with standard tools and brackets. Expect improved spans with fewer supports and reduced bounce. An excellent choice for residential and light commercial framing where predictable performance and speed matter.
$106.65
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 5.7m
Built for long spans and quiet floors, meyJOIST H2S I-joists combine strength with light handling. This 300 x 45mm, 5.7m section is termite-protected (H2S) for internal, above-ground applications and delivers excellent stiffness. Straight and dimensionally stable, it installs fast using standard tools and widely available hangers. Achieve reduced deflection, fewer supports and clean service penetrations. Ideal for residential and light commercial builds where accuracy, speed and consistent quality are required.
$112.58
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 6.0m
For efficient framing and long spans, choose meyJOIST H2S I-joists. This 300 x 45mm, 6.0m member is H2S termite-protected for internal, above-ground use and offers high stiffness for floors and roof framing. Lightweight and straight, it cuts and fixes with standard tools and common brackets. Expect fewer supports, reduced bounce and simple services integration. Perfect for residential and light commercial projects demanding consistent performance and rapid installation.
$118.50
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 6.3m
meyJOIST H2S engineered timber I-joists provide the stiffness and straightness needed for long-span floors. This 300 x 45mm, 6.3m length features H2S termite protection for internal, above-ground applications and performs in floors and roofs. Lightweight and dimensionally stable, it installs quickly with standard tools and hangers. Achieve longer spans with fewer mid-supports and reduced deflection. Ideal for residential and light commercial construction focused on speed, accuracy and predictable results.
$124.43
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 6.6m
Engineered for demanding spans, meyJOIST H2S I-joists deliver strength, straightness and ease of installation. This 300 x 45mm, 6.6m member is termite-protected (H2S) for internal, above-ground use and suits floors and roof framing. Lightweight and stable, it is simple to cut, drill and fix with standard hardware. Expect improved spans, reduced bounce and clean services routing. Ideal for residential and light commercial projects where consistent quality and build speed are key.
$130.35
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 6.9m
meyJOIST H2S engineered timber I-joists support long spans with reliable stiffness. This 300 x 45mm, 6.9m section includes H2S termite protection for internal, above-ground applications and delivers excellent floor and roof performance. Straight and lightweight, it installs with standard tools and readily available hangers. Achieve reduced deflection, fewer supports and tidy service penetrations. A dependable choice for residential and light commercial framing where speed and consistent results matter.
$136.28
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Blacktown Building Supplies meyJOIST H2S 300 X 45 Engineered Timber - 7.2m
Designed to span further, meyJOIST H2S I-joists combine high stiffness with light handling. This 300 x 45mm, 7.2m member is H2S termite-protected for internal, above-ground use and performs in floors and roof systems. Factory-straight and dimensionally stable, it is easy to cut, drill and fix with standard tools and common connectors. Expect fewer supports, reduced bounce and clean service integration. Ideal for residential and light commercial projects needing speed, accuracy and consistent structural performance.
$142.20
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