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Kiln Dried Ash Wood Rain Screen Internal Cladding
MODEL KDAWRSC
- Light, elegantly rustic look of English ash
- Kiln dried to 8–12% moisture, for internal use
- Rain screen (splayed) profile gives bold shadow lines
- Suggested gap between boards: 5 mm
- Choice of First or Character Grade, with optional end matching for quicker fitting and less waste
- 142 x 20 mm boards
Our Kiln Dried Ash Wood Rain Screen Internal Cladding is rain screen cladding in English ash, for internal use.
About English ash
English ash with a light, elegantly rustic look. Boards contain sound knots of varying size, some colour variation, fissures and areas of tight, straight grain, and will expand and contract as they acclimatise. Kiln dried to 8–12% moisture content.
Profile and fitting
Rain screen (also called splayed) cladding gives bold shadow lines between boards.
Our suggested gap between boards: 5 mm.
Visible face approximately 122 mm on the 142 mm board.
Grades and options
- First Grade: completely sap free, with straight grain. Colour may vary.
- Character Grade: knots and wavy grain. Boards can be heavily discoloured.
- End matching (tongue and groove on the board ends) lets you place joints where they fall rather than on a batten, which speeds up fitting and reduces wastage.
Sizes and pricing
- 142 x 20 mm (visible face approx. 122 mm; suggested gap 5 mm): from £41.99 per m² ex VAT
- Supplied in random lengths between 1200 mm and 3600 mm.
- Set lengths are available for an extra charge using Set lengths (Internal Cladding): surcharge £15.00 per m² ex VAT up to 3500 mm, £18.00 per m² ex VAT above 3500 mm. Add the same number of m² of set lengths as cladding.
Specifications
| Species | English ash |
|---|---|
| Origin | English |
| Profile | Rain screen |
| Use | Internal |
| Grade(s) | First, Character |
| Sizes | 142 x 20 mm |
| Suggested board gap | 5 mm |
| Lengths | Random 1200–3600 mm (set lengths extra: £15.00 per m² ex VAT up to 3500 mm, £18.00 per m² ex VAT above 3500 mm) |
| Moisture content | Kiln dried, 8–12% |
| Treatment | None (untreated) |
| Finish as supplied | Machined |
| Priced per | m², ex VAT |
Finishing and aftercare
Supplied untreated. To protect the surface or hold the colour, see our cladding treatments.
Drawings and downloads

Tap the drawing to open it full size.
Good to know
- Natural timber varies: expect some differences in colour and grain from board to board and from the photos.
- Sizes are nominal and can vary slightly with moisture content.
- Not sure? Order up to two cladding samples first.
- Questions? Please contact our Sales Team on 01536 267107.
You might also like
- Light, elegantly rustic look of English ash
- Kiln dried to 8–12% moisture, for internal use
- Rain screen (splayed) profile gives bold shadow lines
- Suggested gap between boards: 5 mm
- Choice of First or Character Grade, with optional end matching for quicker fitting and less waste
- 142 x 20 mm boards
