This is the rarest.
Cedar lap siding grades.
Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.
4 3 1 2 2 1 2 4 80 1 60 6 5 1 2 4 1 2 2 67 1 33 8 7 1 2 6 1 2 1 85 1 23 10 9 1 2 8 1 2 1 41 1 18 12 11 1 2 10 1 2 1 14 1 14.
This is an architect grade.
Do not nail through overlaps.
Near clear has very few very tiny knots and a median price point for the knot so fond.
Western red cedar exterior siding or cladding comes in a spectrum of patterns including the one that is just right for your home s style and your budget.
The face side is saw textured.
Appearance grade is primarily for non structural lumber under 2 thick.
Lap siding can be installed horizontally or vertically.
Appearance grades use letters a through d with a being the highest grade.
Cedar lap siding grades clear cedar.
Lap sidings can come in a variety of different sizes patterns and grades.
Larger overlaps can be used on wider bevel sidings such as 10 and 12 in pieces see wrcla publication installing cedar siding for more information.
Cedar is also graded based on appearance which is called appearance grade or select lumber.
Highest grade fewest knots is the top of the line wood.
Lap sidings are normally supplied in a variety of patterns either green unseasoned or dry in clear or knotty grades and with a smooth or saw textured face.
Commonly available sizes are 1 x6 1 x8 and 1 x10.
Western red cedar siding grades.
There are also two other terms under appearance grade cedar.
This siding type can also be supplied kilnd dried or green unseasoned.
Clear grades are manufactured to order.
For horizontal applications start with the bottom course and work up with the channels pointing upwards.
For specific western red cedar siding grades please visit the siding grading page.
The two most common patterns for lap siding are going to be shiplap with a center match pattern or channel rustic.