For horizontal applications start with the bottom course and work up with the channels pointing upwards.
Cedar lap and gap siding installation.
Trim pieces can be cedar like the siding.
Channel siding is normally supplied in unseasoned knotty grades.
Allow a gap of about 1 4 inch between the top of the last board and the soffit at the top of the wall.
Siding and trim that extends down to a roof dormers second floors etc and decks requires a minimum of a 2 inch gap to avoid wicking.
Trim such as water table or skirt boards must be a minimum of 6 inches above the grade.
For siding up to 6 inches wide use one nail one.
Seal that gap with molding to match the corner trim.
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.
Installing bevel siding clapboards spacing for the siding should be laid out beforehand.
Siding up to 6 inches wide can be blind nailed with one siding nail per bearing toe nailed through the base of each tongue.
Cedar shiplap can be installed horizontally or vertically.
Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.
Do not nail through overlaps.
Commonly available sizes are 1 x6 1 x8 and 1 x10.
The number of board spaces between the soffit and bottom of the lowest piece of siding at the foundation should be such that the overlap is as per the table.
In horizontal application start at the bottom and work up with the groove edges facing downwards.
The face side is saw textured.
Wood structural panels must be a minimum 7 16 category with an apa trademark that contains the consensus standard doc ps 2.
Start with the bottom course using a furring strip to support the lower edge.
2 installing western red cedar siding c ongratulations on your choice of western red cedar siding western red cedar is one of the world s premier quality woods noted for its appearance light weight insulation value and dimensional stability.