Dindas LOSP Timber Treatments

For all high-quality H2 and H3 LOSP Timber Treatments

Dindas Australia provides LOSP timber treatment services for engineered wood products, structural framing, landscape products and appearance-grade timber.

The on-site treatment facility supports H2 and H3 LOSP treatment requirements where applicable, with turnaround options for customers and merchants.

LOSP treatment helps support termite and fungal-decay protection where the product, treatment level, application and warranty conditions apply. Product claims, treatment scope and warranty periods should be checked against the relevant technical documentation before publication.

  • Well-suited for re-manufactured and engineered wood products
  • Durable and safe protection
  • Dimensionally stable (due to the LOSP treatment)
  • Non-corrosive to nails and fixings*
  • Long lengths up to 13.2m
  • Treatment DNA traceability to support documentation
  • Twenty-five-year warranty protection** against termite and fungal attack

*Nails and fixings must be compliant with the building codes. **See Limited Guarantee documents for details.

Advantages

  • High-Quality H2 and H3 LOSP Timber Treatments:
    25 years of experience in timber treatment.
    Specialising in structural, outdoor, and above-ground building needs.

  • Advanced Treatment Technology:
    Utilises Koppers PROTIM Chemicals ensuring superior protection.
    Non-corrosive to building code-compliant nails and fixings.

  • Dimensional Stability and Durability:
    Maintains original size, shape, and strength grading.
    No drying process required, allowing fast turnaround on orders.

  • Wide Range of Applications:
    Suitable for solid pine and engineered timber like I-Joists, LVL, laminated beams, plywood, framing, and more.
    Available in translucent blue and red for easy identification.

  • Long-Term Protection:
    25-year guarantee against termite and fungal attacks.
    Water-repellent resin and wax system enhancing stability.

  • Customization and Expertise:
    Ability to treat timber up to 13.2 metres in length.
    Custom services for merchants and wholesalers with expert technical support.

Dindas australia  ewp specialists

Dindas applies product knowledge, technical resources and selected technology systems to support engineered wood products
for Australian construction applications.

The Complete Treatment Solution

Dindas Australia has set the standard in reliability, customer value, and quality for light organic solvent preservative (LOSP) treated timber. Our comprehensive range of treatment classifications caters to both solid pine and engineered timber, including:

    • I-Joists
    • Laminated Veneer Lumber (LVL)
    • Laminated Beams
    • Plywood
    • Framing
    • Outdoor Structural Timber
    • Skirtings and Mouldings

Why Choose Dindas LOSP Timber Treatment?

No Drying Process Required

Unlike water-based pressure treatments, our LOSP treatment does not increase the timber’s moisture content. This means no additional drying is required post-treatment, allowing the timber to maintain its original size, shape, and strength grading.

Fast Turnaround and Cost-Effective

Our LOSP process enables rapid order fulfilment, eliminating the need for large storage and drying facilities. This translates to a reliable, cost-effective solution for our customers.

Dimensional Stability

The consistent moisture levels maintained during and after LOSP treatment ensure dimensional stability, making it ideal for the precise tolerances required in engineered timber products.

Versatile Applications

Our treatment varies in colour, with the H3 option being the only clear, durable choice on the market. This exclusive clear coat preserves the natural tones of timber, making it perfect for visible applications.

Partnership for Excellence

Treatments used by Dindas are supplied by our chemical partners, Koppers Performance Chemicals. We benefit from their regular specialist audits, ensuring the quality and consistency of the treatments applied to our wide range of products.

By choosing Dindas Australia for your LOSP timber treatment needs, you invest in a solution that combines tradition, innovation, and unparalleled expertise.

Dindas australia   losp timber treatement

From architects and building designers to landscapers and homeowners, you can rest assured that when specifying timber from the treated range for all structural, outdoor, and above-ground building needs.

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Appearance

Dindas Australia’s standard LOSP timber treatments feature a coloured dye coating for treatment range identification and tracing purposes. For optimal results, it is recommended to use acrylic coating options, as the dyes can bleed through many paints and decorative finishes.

Dindas australia   losp timber treatement

Water Repellent

All LOSP Timber treatments offered by Dindas Australia feature a specially formulated water-repellent resin and wax system. This solution reduces water absorption during construction, enhancing the timber’s dimensional stability.

Dindas australia osb painting

Coatings and Sealants

Always refer to the label of your finishing product and follow the manufacturer’s instructions for optimal results.

  • Dindas LOSP treated timber is compatible with most industrial alkyd-based joinery primers once the timber has fully dried after treatment.
  • For a long-lasting finish with alkyd-based primers, ensure subsequent on-site preparation and top coating are performed as recommended by the manufacturer.
  • Note that some acrylic primers may not be suitable for timber treated with LOSP preservatives. Consulting the paint manufacturer or a qualified agent is advisable.
  • LOSP timber treatments work well with most sealants and mastics, provided manufacturer instructions are followed.
  • For interior applications, if the timber becomes wet during construction, it should be allowed to dry before being covered or enclosed.

Our commitment to customer satisfaction and product excellence ensures that you always get the best results.

Dindasbrace osb bracing panel power tool Jpg

Nails, Fasteners and Fittings

You can confidently use fasteners and hardware that comply with building codes for their intended use. LOSP H2 treatments do not increase the corrosion risk of fixings and fittings, ensuring safety and durability.

Termite Hazard and Timber Hazard Class Guide

Dindas Australia guarantees that their H2F and H2 treated EWP are protected against structural damage from termite attacks for 25 years. However, H2F is specifically designed to protect against termites in areas south of the Tropic of Capricorn, while LOSP H2 is designed for areas north of the Tropic of Capricorn. In Queensland, the Tropic of Capricorn passes through the Rockhampton city area.

Dindas australia termite risk australia map x

Timber Hazard Class Reference Guide

This guide provides general information about common timber hazard classes. Available Dindas LOSP treatment services depend on the timber product, application and treatment requirements. Confirm availability and suitability with Dindas Australia before ordering.

H1 Timber Treatment Level

H2F Timber Treatment Level

H2 Timber Treatment Level

H3 Timber Treatment Level

<img src="https://dindas.com.au/wp-content/uploads/2024/08/H1-Treatement-Floor-800px.jpg">

<img src="https://dindas.com.au/wp-content/uploads/2024/08/H2F-Treatment-Beams.jpg">

<img src="https://dindas.com.au/wp-content/uploads/2024/08/H2F-Treatment-800px.jpg">

<img src="https://dindas.com.au/wp-content/uploads/2024/08/H3-Treatment-Deck-800px.jpg">

Exposure/Usage:

Inside, Above Ground, Dry

Exposure/Usage:

Inside, Above Ground, Dry – For the South of the Tropic of Capricorn

Exposure/Usage:

Inside, Above Ground, Dry

Exposure/Usage:

Outside, Above Ground

Protection against:

Lyctid borers

Protection against:

Termites and borers

Protection against:

Termites and borers

Protection against:

Moderate fungal decay, termites and borers

Typical Uses:

Susceptible framing, Flooring, furniture, interior joinery

Typical Uses:

Framing, Flooring and similar, Used in dry situations

Typical Uses:

Framing, Flooring and similar, Used in dry situations

Typical Uses:

Decking, Fencing, Weatherboard, Window Joinery, Fascia, Pergola and similar.

Resources

Dindas Australia - Dindas LOSP Timber Treatments Flyer

Dindas Australia - Koppers Product Warranty

Dindas Australia - Koppers Timber Care

Dindas Australia - LOSP H3 Koppers Protim Optimum Brochure

Dindas Australia - LOSP H2 Koppers Brochure

Frequently Asked Questions

LOSP stands for Light Organic Solvent Preservative. It is a treatment process used for suitable timber products where the treatment class, exposure condition and application are appropriate.

LOSP treatment can help protect suitable timber against termite and fungal-decay risks when the correct treatment class is selected and the product is installed as directed.

Dindas Australia provides H2 and H3 LOSP timber treatment services. The correct treatment depends on the timber product, application and exposure condition. Refer to the current treatment and product documentation before specifying.

No. The LOSP treatments presented by Dindas Australia are intended for above-ground applications. Select another treatment system where in-ground contact is required.

Yes, where the timber is dry and compatible coating systems are used. Follow current product guidance and coating-manufacturer recommendations.

Dindas can support treatment for long lengths up to 13.2 m where product and treatment requirements allow.

LOSP and CCA are used for different treatment contexts. Choose the treatment pathway by matching the product, hazard class and exposure condition.

Dindas LOSP warranty or guarantee details are found in the current Dindas warranty or guarantee documentation, including product scope, conditions, exclusions and treatment requirements.

Get In Touch

Do you have questions about your project or want to speak with an Engineered Wood Products specialist? Contact us now for expert advice and guidance.