This a very popular species for timber cladding, and is also known as Scots Pine, most of which is imported into the UK from Scandinavia.
It is used and has been used for centuries for many Internal and External Joinery applications. The ease of working and quality of finish is dependent upon the size, and number of knots, and degree of resin present.
Grades of Redwood that Brookridge Timber offers
3 to 4 Side Clear – Very low knot content with one knot per meter on average over a 4.5 meter length with some boards being clear.
Unsorted – More frequent knots along the whole length up to a maximum 40mm diameter.
Fifths – More frequent knots than the unsorted along the whole length up to a maximum 60mm diameter.
The quality of the timber is affected by the conditions of growth, climate, soil, elevation, etc, more than most timbers because of its wide and varying distribution, and these factors affect the texture, density, size and number of knots.