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2010K3
wood
| Term | Definition |
|---|---|
| This component is placed between the wallplate and honeycomb sleeper walls in a suspended GROUND floor. | DPC |
| This component is placed on top of a DPC and the honeycomb sleeper walls in a suspended GROUND floor. | Wall plate |
| The two main problems with ‘built in’ joists | Damp and sound transmission |
| The traditional method of forming joints between joists. | Tusk mortise and tenon joint |
| The term used to describe the timber noggins which are the same depth as the joists, are cut to fit tightly between each joist and skew-nailed in place. A disadvantage of this method is that it tends to loosen when the joists shrink. | Solid bridging or strutting |
| The term used to describe timber battens (usually 50 × 25 mm) cut to fit diagonally between the joists. A small saw cut is put into the ends of the battens before nailing to avoid the battens splitting. This will remain tight even after joist shrinkage. | Herringbone (timber) strutting |
| This method of strutting is quick to install as there is no cutting required. The disadvantage for this method is that the strut size must match the depth and spacing of the joists. | Herringbone (steel) strutting |
| This form of joist is considered quite environmentally friendly as it uses small sections glued together to build up to the depth of joist | Gluelam (laminated) joists |
| This form of joist is also considered quite environmently friendly. They are extremely light and use 12mm stirling board (OSB) to form the main upright section and a plywood section at the top and bottom of the joist | i type joists |
| The bow often found in solid timber joists | Camber |
| This is applied to the ends of joists if they are built into a wall | Timber preserve |
| An opening through a wall to the void below a suspended timber floor. This provides necessary ventilation in order to minimse the possibility of timber decay | Air brick |
| A type of nail used to secure floor boards. | Lost haed |
| A wall within the void below a suspended timber floor (GROUND FLOOR ONLY). This wall provides intermediate support for the ground floor joists. The wall is often referred to as a ‘honeycomb’ wall, because large gaps. | Sleeper wall |
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