13
Frame 1 Construction
•WARNING•
Avoid splitting your
lumber by offsetting
your screws at least
3/4’’ from edge.
2-1/2'' screw
Frame 1
5/4
'' x
6''
x 4
7-1
/2'
' C
en
ter
ed
Ar
ch
5/4
'' x
4''
x 4
5-3
/4'
'
(3)
2-1/2'' screws
(per joint)
A. Frame 1 Construction cont.
2.
Attach upper and lower 5/4'' boards as shown
in
(Fig. 1a)
.
Fig.1a
72-1/4''
1-3
/4'
' G
AP
Double check to make
sure structure is square
(3)
2-1/2'' screws
per joint
(3)
2-1/2'' screws
per joint
(2)
2-1/2'' screws