TREATMENT AND PROCESSING

Underpinning North Sawn Lumber's commitment to the highest quality and consistency in pine lumber processing is our expertise in preservative treatment. specialists in clear LOSP H3.1 radiata pine treatment of interior and exterior use and have the ability to treat to lengths up 14 meters.  We developed a unique treatment process which enables us to treat LVL lumber.  This, coupled with approval under the AsureQuality quality assessment program, has resulted in us being the only approved Azol treatment provider for New Zealand’s biggest LVL manufacturer.

Northsawn Lumber is certified to AS/NZS standards to treat for export and approved to treat;

• Plywood
• Sawn Timber
• Round Wood
• Laminated Veneer Lumber

QUALITY ASSURED:

Lumber treated by North Sawn Lumber meets multiple quality assurance standards, and is marked with the Assure Quality imprint for preservative purposes. These schemes ensure that our plant, systems, independent testing, and quality control all meet with rigorous New Zealand standards for wood treatment and processing. With North Sawn Lumber you can be sure of consistent high quality treatment.

LOSP H3.1 TREATMENT:

Light Organic Solvent Preservative (LOSP) treatment of radiata pine is an excellent solution for low to moderate hazard timber applications. It is a clear preservative pressure-treatment that maintains the appearance of the wood and doesn't swell it, meaning that it can be applied to machined wood. The active preservation agents are Propiconazole and Tebuconazole and it contains a fungicide. The active insecticide is generally permethrin. The process makes for a resilient pine product that can be used in interior linings, wall framings, roof framing, cladding, fascias and wall framing. Our state-of-the-art plant machinery can treat lengths up to 13.9m in length, twice the size of conventional treatment technology.

LVL TREATMENT:

North Sawn Lumber can help bring the moderate to high hazard exterior protection to the superb structural qualities of Laminated Veneer Lumber (LVL).  Our unique treatment process enables us to treat LVL lumber.  Combined with our approval under the Assure Quality quality assessment program we are now the only approved Azol treatment provider for New Zealand’s biggest LVL manufacturer.

MICRONISED COPPER AZOLE TREATMENT

This treatment product offers a 50 year durability on Hazard classes  from  H3.2 ,H4 and  H5 so suitable for indoor and outdoor timber products.Northsawn offer this product with unique colour infused technology under our Trustwood brand.  This treatment is Green Guard certified and contains no Arsenic or Chrome so can be disposed of safely.

Micronised Copper Azole is the first treated wood process to be certified under the Scientific Certification Systems Enviromentally Preferred Product.(EPP) program based on life cycle assessment.

CCA TREATMENT

CCA  treatment preservative is a waterborne, Chromated Copper Arsenate preservative system developed to provide long-term protection to wood exposed in exterior applications and is applied to wood by pressure treatment. The CCA preservative is an effective fungicide and termiticide providing protection from a broad spectrum of decay fungi & wood boring insects. CCA is one of the most effective wood preservatives available.

NS Lumber can offer the following CCA Treatment Hazard Class Levels either wet treated or re-dried from their 12m long x 1.8 wide treatment tube,

• H3.2
• H4
• H5
• H6

Common CCA Uses:

• Structural timber uses internally and externally
• Fencing products, including posts and rails
• Landscaping products, sleepers, decking, garden edging
• Marine applications
• Walkways, poles and square posts

CUSTOM TREATMENTS:

We can help you with custom treatments according to your requirements.

MACHINING:

As part of our processing facilities, we can machine your lumber to standard sizes and lengths, and even to custom requirements upon request.  We operate a high speed optimising cross cut saw system which maximises timber recovery.  We are able to offer cut to length components in a range of sizes and grades.

PRIMING:

We can pre-prime your lumber, reading for painting.

For all your pine lumber processing and treatment needs in New Zealand, speak with North Sawn Lumber today via this page here or call us on 02 7574 3394.

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