NATURAL FIBRE & POLYMER COMPOSITESEvidence. Context. Traceability.
wpcWood Plastic CompositeWood Polymer CompositeNATURAL FIBRE & POLYMER COMPOSITES
Reading appearance
faq

Do black spots necessarily mean the board is rotting?

No. They may be surface growth or staining, but persistent moisture and material changes warrant investigation.

Sources & further reading