What is H3 2 timber used for?

Hazard Class H3.2 For structural wood products used in above ground but exposed to weather and moisture treatment to H3. 2 is required to ensure long life and trouble free service. Typical examples include joists for bearers for decks, pergola beams, fence rails, fence palings and trellis.

What length does 3 by 2 timber come in?

75mm x 47mm
Treated Timber 3×2 | 75mm x 47mm.

How long does H3 timber last in ground?

H3 Treated Pine in Ground This is the type of pine most often used for fence posts, landscaping timbers and pilings. Expect H3 treated pine to last around 30 years in the ground when installed with pressure-treated screws or stainless steel post brackets.

Can H3 timber go in ground?

Treated pine decking of H3 is not suitable for in ground use. This means that this type of timber can be used outside, but only if it doesn’t touch the ground or is driven in ground. Environmental conditions that this type of treated pine can sustain is leaching and moderate, occasional wetting.

What is the difference between H3 1 and H3 2?

1 was developed as a dedicated ‘cladding treatment’ class, and H3. 2 continued for external structural timber not in ground contact. The discontinuance of H3. 1 as a framing treatment allows it to revert to its original purpose as a cladding treatment class.

Do bottom plates need to be pressure treated?

Both wood and concrete wick water well because they are porous materials. Pressure-treated bottom plates deal with the symptoms of the problem when a capillary break between wood and concrete deals with the cause. No direct contact, no need for pressure-treated bottom plates.

What is the actual size of 3X2 timber?

Nominal vs. Actual Measurements of Dimension Lumber

Nominal Size Actual Size
2 x 2 1 1/2 x 1 1/2 inches (38 x 38 mm)
2 x 3 1 1/2 x 2 1/2 inches (38 x 64 mm)
2 x 4 1 1/2 x 3 1/2 inches (38 x 89 mm)
2 x 6 1 1/2 x 5 1/2 inches (38 x 140 mm)

Can you burn H3 treated pine?

Burning treated timber releases toxic chemicals. Never burn treated timber or treated timber waste in outdoor fires, stoves, fireplaces or in confined spaces.

What is the difference between H3 and H4 treated pine?

The ‘H’ denotes the level of treatment and what the treated timber can be used for: H2 protects against termites and is for inside use only. H3 protects against termites and wood rot, and is for outside, above ground only. H4 is for outside, non-structural, in contact with ground, such as posts and garden edges.

Can you burn H1 2 timber?

“Timber treated with preservative should never be used as firewood in a woodburner, or even on a bonfire. “Tanalised timber releases toxic emissions into the atmosphere and produces toxic ash.

Is c3 2 a CCA?

South Pine H3. 2 CCA treated timber products are ideal for common outdoor residential, commercial and other building applications requiring robust protection against decay (also consult NZS3604 for details of use in framing). Do not use aluminium in contact with CCA treated wood.

What is the standard size of a 2 by 4 lumber?

North American Standard 2-by Lumber Nominal Size (inches) Actual Size (inches) Actual Size (mm) 2 x 2 1 1/2 x 1 1/2 38 x 38 2 x 3 1 1/2 x 2 1/2 38 x 64 2 x 4 1 1/2 x 3 1/2 38 x 89 2 x 6 1 1/2 x 5 1/2 38 x 140

What type of wood do you need for a B2 deck?

Table 3: Preservative type and hazard class identification. B2/AS1 has a minimum requirement of using H1.2 timber that is boric treated for enclosed framing. Treatment of framing and other members within enclosed cantilevered decks must be at least H3.2 and cavity battens at least H3.1.

What is the standard length of timber?

Standard timber lengths are 2.4, 3.0, 3.6, 4.2, 4.8, 5.4 & 6.0m. Preservative treatment is used to protect timber from decay, insects, and marine borer attack, and extend the life of timber products. Preservative treatment also makes timber a more viable option for building, construction, and engineering applications.

What is the actual size of 8×8 lumber?

North American Standard 8-by Lumber Nominal Size (inches) Actual Size (inches) Actual Size (mm) 8 x 8 7 1/4 x 7 1/4 184 x 184 Softwood Lumber Lengths Softwood lumber comes in a number of standard lengths as listed in the table below.