Part one: Constructing the sill ctd

Fix into position with two 16mm self-drill screws per side. Fig 3



Lay the sill in position, the inside of the sill to the inside of the outer brick on the base or the outer skin of the dwarf wall. Fig. 4



Check for square by measuring the diagonals inbetween the two sill sections where they meet the wall and the first joint, and for parallel. fig. 5