Tools Required:
Caulk Gun
25' Tap Measure
4' Level
Chalkline
Speed Square
1/4", 5/16", 3/8" Hex Head Drivers
#2 Phillips Driver Bit
5/8" Fostner Bit
3/8" Drill Bit
1/4" Drill Bit
7/8" Hole Saw
Mite Saw
Skilsaw
6' Step Ladder
Cordless Drill
Extension Cords
Tools Bags
Tin Snips
Copyright 2008, OPR, Inc.
Lic. CA Contractor 917821
How to Install Lattice Cover
1. Install Ledger Board. (Not included) (see note under step 2)
Note: Use a 2"x8" (1.5"x7.5" true size) Douglas Fir #2 or better for
ledger board. Do not used pressed board, OSB or particle board.
A. Select mounting area on wall. Snap a level chalk along the wall
to loacte the
bottom of the ledger board. Remember, for proper drainage, the panels must
be
installed at a minimum 1/2" slope per foot of projection.
B. Attach ledger board to the side of the house or ends of the roof rafters
as
marked by the chalkline. Fasten the ledger board to the wood framing using
1/4"x4"
lag screws. Refer to Table A below to determine how many lag screws
per stud are required. Studs are assumed to
be 16" o/c.
2. Mark Header and Ledger
A. Using a straight edge, mark the Ledger
as shown. with 24 on center, the ends
should be of equal length.
B. Mark the Header, seam side up, in the
same way.
3. Mount the Rafter Hangers
A. Pre-drill the rafter hangers using a 1/8 bit. Align the rafter hanger on the center of
the marks on the ledger board made in the previous step.
B. Install the top screw of each racket using a #10 x 2screw. Do not
tighten. Locate
additional rafter hangers on 24 centers.
C. Use a level or a framing square to straighten
the bracket and install t he bottom
screw. Tighten the top screw.
D. Apply a bead
of caulk to the top and bottom of the ledger as shown.
5. Install Sideplates on Posts
Note: Sideplates should be stuffed with foam.
A. Place the sideplate so that it is centered
on the post. Measure 12" from the bottom
of the sideplate and drill a 5/8" hole
through one
side and the foam, making
sure not to puncture the other side or dent
the sideplate.
B. Place
a #14x3/4" SM screw through the
sideplate into the post.
C. Measure and mark up 24" on center. Drill a
5/8" hole.
D. Use a level to make sure the sideplate is
centered on the post and plumb.
E. Place a #14x3/4"
SM screw through the
remaining holes.
F. Drill four holes into the sideplate as done
previously
but for the header/sideplate
attachment. (As shown)
G. Place a #14x3/4" SM screw into the four
holes.
H. Place the 5/8" plugs into the holes.
I. Repeat these steps on the opposite side
and for all
remaining posts.
4. Install Rafter Brackets to Header
A. Attach the Rafter Header Brackets to the seam side of the Header using two
#8
x 3/4 sheet metal screws per bracket. These should be spaced equally
from each end with 24 on-center
spacing exactly the same as the Ledger.
Install Bottom Post Brackets
Note: These posts must be at least 4 from the edge of the concrete slab.
A. Snap a chalk line on the
slab parallel to the
ledger board. This distance is generally 12
less than the length
of the rafters. Then
snap a chalk line perpendicular to the
building along the cen¬ter lines
of the first
and last Rafter Hangers. For post spacing
refer to the table on page 10.
B. Drill
2 holes 2 1/2 deep into the concrete
using a 3/8 masonry bit through the holes
in the post
bracket. Brush away concrete
debris and blow the debris out of the hole.
C. Make sure the brackets are square to
the
building wall and attach the post bracket
to the concrete with the 3/8 concrete
anchor. Tighten nut as shown.
6. Install Rafters
Note: The ends of the ledger board may be painted to match the house.
A. Place a rafter with the seam side
up on a
rafter hanger and in a rafter bracket on one
side of the unit
B. Secure
the rafter to the rafter hanger at the
ledger board using one #8 x 3/4 sheet metal
screw.
C. Secure the other end of the rafter at the
header using one #8 x 3/4 sheet metal screw D.
Install 3 more #8 x 3/4 sheet metal screws
into the rafter hanger and 3 more #8 x 3/4
sheet metal screws into the rafter bracket
E. Set the rafter in place at the other side of the
unit. Install as
above. Then install the re-
maining rafters as above
F. Caulk around each rafter at the ledger board
7. Installing Lattice Tubes
Note: Uniform placement of the lattice will overhang equally on each side. The maximum overhang is 16
A. Install the end caps into both ends of the Lattice
tubes.
B. Starting 3 away from the ledger board, set the
first lattice tube in place with the seam side up.
C. Secure the lattice tube to the rafters using the
#8 x 2 1/2 sheet metal screws with rubber
washers. Be careful to not over tighten.
D. Install the remaining lattice
tubes with a 3
space between the each tube. Check peri-
odically to maintain uniform overhang
Now, stand back and admire your work!
Note: Ledgers are not always required. In most cases ledgers are not required on two story homes and eave attachments and some cases single story homes also.
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