Allowing for 5mm quirk from the edge of the door jamb. (Figure 1)

Butt the architrave and skirting together.

Make sure you line the outside edge (groove side) of architrave with the top edge (groove side) of skirting. Mark the width of architrave, e.g. 90mm, onto the end of skirting. (Figure 2)

On the end of the skirting board away from the mark.

Allowing for 5mm quirk from door jamb edge.

Check the bottom joint fits neatly onto the skirting and mark the top mitre cut on the architrave. Cut side architrave top mitre and fix in place. (Figure 5)

Fix in place.

To complete the opposite side of doorway skirting and architrave.

SK342 skirting is installed!