LOSP / H3 Green.

LOSP Light Organic Solvent Process for durability against fungal decay & insect attack, such as termites and borers.
H2 (Hazard level 2) LOSP preservative treated particularly suitable for framing used internally.
H3 (Hazard level 3) LOSP preservative treated suitable for external, above ground use.
MGP Mechanical Grading Process to ensure structural properties.

Used for general purpose construction largely in framing, the durability and usability of machine sized pine makes this the most popular building product for many users.
We stock a diverse range of F7 / MGP H3 LOSP sizes, standard sections are:

  • 42x19 / 70x19 / 90x19 / 140x19 
  • 42x35 / 70x35 / 90x35 / 120x35 / 140x35 / 190x35 
  • 70x45 / 90x45 / 120x45 / 140x45 / 190x45 
  • 240x45 / 290x45
Std. Lengths 2.4 / 3.0 / 3.6 / 4.2 / 4.8 / 5.4 / 6.0 metres

(All product is graded and treated in accordance with the relevant Australian Standards and backed up with in-house & 3rd party Quality Assurance Programs and testing)

Quality, Diversity, Service

Tarmac Queensland own & operate a latest, 'state of the art' LOSP treatment facility, located on-site at the Archerfield premises. Quality assurance is key to reliability and confidence of the product in service. We rely heavily on third party Q&A service to compliment and reinforce the intensive measures taken in house regarding sampling & testing for compliance to relevant Australian Standards and Codes of Practice.
With Machining, treatment & drying facilities on-site, Tarmac Qld is able to provide specific requirements within required timeframes.

  • Treatment upgrades to H3
  • MGP10,12 & 15 available.
  • Custom sizes & profiles.
  • Optimised precision docking facility.
  • Packs docked to length.