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LVL veneer grades are as per manufacturer's specifications.

As with plywood, LVL can be treated with a range of preservative treatments including CCA (copper chrome arsenate), LOSPs (light organic solvent preservatives) and for veneers, Ruply and ACQ (Alkaline Copper Quaternary Compounds).

For building construction the most suitable treatments are Copper Chromium Arsenic (CCA) and Light Organic Solvent Preservative (LOSP)

Most softwood species can be treated with non-leachable preservative salts, which will impart decay resistance. The level of preservative treatment specified for softwood laminated beams used in Service Class 3 applications should be H3. Similarly LOSP envelope treatment can be used satisfactorily. It is always recommended that you check with individual manufacturers for recommended use.

LVL veneer grades are as per manufacturers specifications.(图1)

LVL veneer grades are as per manufacturers specifications.(图2)