Byron Bay Structural Hardwood Timber GOS and Framing
F14, F17, F22 and F27 – Structural Grades and Appearance Grades. We’d like to think that the traditional F14 grade is mainly for the rural scene but in saying that, most draftsmen / architects still to this day tend to specify F14. Normally we would advise F17 for most structural projects where “visual” is becoming a bigger issue nowadays. Most external decks fail prematurely from the sub floor bearers / joists falling apart. Old style 38mm and 50mm bearers split and allow the water into them f