There are also two other terms under appearance grade cedar.
Cedar lap siding grades.
This is an architect grade.
This siding type can also be supplied kilnd dried or green unseasoned.
Near clear has very few very tiny knots and a median price point for the knot so fond.
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.
For horizontal applications start with the bottom course and work up with the channels pointing upwards.
Clear and knotty or stk.
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 siding can be installed horizontally or vertically.
This is the rarest.
C and better clear.
Do not nail through overlaps.
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.
Clear grades are manufactured to order.
Cedar lap siding grades clear cedar.
The two most common patterns for lap siding are going to be shiplap with a center match pattern or channel rustic.
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.
Appearance grades use letters a through d with a being the highest grade.
For specific western red cedar siding grades please visit the siding grading page.
Appearance grade is primarily for non structural lumber under 2 thick.
Commonly available sizes are 1 x6 1 x8 and 1 x10.
The face side is saw textured.
Channel siding is normally supplied in unseasoned knotty grades.
Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.