
What it is
Rafters carry the roof covering, usually through purlins or battens. They are made of timber, steel or RCC.
Key points
- Run from ridge to eaves
- Support purlins and battens
- Timber, steel or concrete
- Spacing depends on the roofing
Why it matters
Rafter size and fixing decide how well a sloped roof stands up to wind and weight.
How Elamentt handles it
Sloped roofs are designed with the right rafters for the covering chosen.