HOW IT WORKSThe NTL fire impregnation by BURNBLOCK® process

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Step 1. Wood is delivered!

Timber is delivered by our customers to the NTL fire treatment site

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Step 2. The wood is placed in the autoclave

The timber products are unpacked, stickered and placed in our I.S.V.E. autoclave 

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Step 3. BURNBLOCK impregnation 

Vacuum is applied to remove all air before filling the vessel with the patented, 100% biodegradable, all natural BURNBLOCK® solution.
The concentration of BURNBLOCK® is tailored specifically to the wood species and density, ensuring consistent, optimized fire resistance for all wood products.

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Step 4. Vacuum, vacuum, vacuum

Species-specific vacuum of varied pressure and timing is applied, ensuring BURNBLOCK® penetrates the pores of the wood deeply, for a long-lasting, and safe treatment 

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Step 5. Drying!

The treated wood is then placed in the fully automated SECAL drying kilns which use ultra-sensitive moisture probes to dry the wood to the desired moisture levels.
All under close, continuous inspection from our experienced operators.

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Step 6. Wrap it up..

Once dried, all wood is stickered and packaged as requested by our customers

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Step 7. Bye bye!

Wood is collected by our customers for use in yet another sustainable, certified and safe wood construction

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