Table 1. Specifications of imported OSB for use as test specimens

Usage Sheathing Flooring
Manufacturer A B C D E F G H I J
Thickness (mm) 11.0 11.0 11.0 11.5 11.0 15.0 18.0 18.0 18.0 18.0
Panel grade Rated sheathing Rated sheathing Rated sheathing LB1) LB LB Premium sub flooring Rated stud-I-floor Rated stud-I-floor LB
Bond classification Exposure 12) Exposure 1 Exposure 1 REG3) REG MR4) - Exposure 1 Exposure 1 MR
Formaldehyde emission grade - - - Eo Eo E1 - - - E1
Load bearing: structural or load bearing.
Exposure 1 means panels are suitable for uses not involving long-term exposure to weather.
Regular: for dry conditions only.
Moisture resistant: for humid conditions.
OSB: oriented strand board.