| Perforation | Slots per "Block" | Edge - non - slotted | Perforation ratio (board) % |
Board dimensions (Standard sizes) |
Furring channel b mm max |
Edge designs | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lateral | Long | Lateral | Long | Width mm | Length mm | 4 SK | 4 AK | ||||
| 8/18 R | 64 | 30 | 41 | 41 | 12.9 | 1225 | 2448 | 312.5 | • | - | |
| 12/25 R | 43 | 19 | 69 | 69 | 12.8 | 1200 | 2400 | 300 | • | • | |
| 12/25 Q | 43 | 19 | 69 | 69 | 16.3 | 1200 | 2400 | 300 | • | • | |
Block perforation B6
Video
Reference objects
