Post on 04-Jul-2020
Step 1 - Install a moisture barrier/underlayment over the entire roof.
Underlayment can be applied directly over shin-
gles, or the existing roofing can be removed
to expose the plywood sheathing.
If applying over shingles, once the under-
layment is applied, install purlins or fur-
ring strips over the top of the underlay-
ment to use as screw points for the metal
roof.
American Roofing Products recommends a
synthetic felt underlayment.
American Roofing Products American Roofing Products American Roofing Products Basic Home Roof Installation Guide & Information
Step 2 - If desired, install fascia trim along the gable edges and/or the eaves.
Gab
le
Eave
Using liner panel screws or flat
roofing nails will keep the fas-
cia trim profile flat to the gable
or eave edges.
Fascia
Step 3 - Install drip edge over all the eaves of the roof.
Eave
Drip Edge
Drip edge will overlap
the fascia trim as
shown.
Use low profile screws
or flat roofing nails to
secure the drip edge to
the sheathing or
purlin.
Sidewall trim is installed
under lapped on the building’s siding.
The hemmed side is secured through a
flat area on the panel.
Butyl (tacky) tape is applied to seal the panel to the trim.
Step 4 - Install W valley trim where roof seams meet. W Valley
Install from the eave upward to the ridge, over-
lapping as necessary. Apply two rows of Solar
Seal or butyl tape to minimum 6” overlap ar-
eas.
Use valley seal tape to seal the space between
the W valley and the panel on top of it. Panel
should be 4” from the V in they valley. Screws
that secure both the valley trim and panel should
be placed behind the valley seal tap.
Step 5 - Begin to apply AmeriRib panels.
Ensure the initial panel is square before secur-
ing.
Install the roofing over the drip edge and val-
leys already installed.
See our previous diagram for proper screw
placement.
Ensure that chalk lines used to line up screws
holes are cleaned off the roof after installation.
Step 6 - Install sidewall trim. Sidewall
American Roofing Products American Roofing Products American Roofing Products Basic Home Roof Installation Guide & Information
Butyl Tape
Similar to sidewall, endwall trim is in-
stalled under lapped on the building’s
siding. The hemmed side will shed wa-
ter on the sloped roof. Outside closures
prevent blowback.
Longer screws are needed to attach, generally
2”. Secure the endwall near the hem, through the major ribs and outside closure and into
the sheathing or purlin.
Step 9 - Install ridge caps.
Gable/rake trim overlaps the metal on the
gable edges of the roof.
The top side overlaps the panel and butyl
(tacky) tape should be used to seal the gap.
Step 7 - Install end wall trim.
Endwall
Step 8 - Install gable/rake trim.
American Roofing Products American Roofing Products American Roofing Products Basic Home Roof Installation Guide & Information
Butyl Tape
Gable/Rake
Ridge caps are installed to seal the roof at
it’s peak.
Vented closures allow air to vent prop-
erly from ridge vents.
Longer screws are needed to attach ridge cap, generally 2”. Secure the ridge cap through the
flat near the hem, through the major ribs and vented closure and into the sheathing or purlin.
Outside
Closure
Ridge Cap
American Roofing Products American Roofing Products American Roofing Products Pole Barn Basic Installation Guide & Information
Ridge Caps
Inside Corner
Gambrel
Cannonball Track Cover Rat Guard/Base Guard Outside Corner
Gable/Rake
W Valley
Gable/Rake
Transition
J Channel
● Install underlayment—synthetic felt and/or house wrap.
● Attach rat guard/base guard to the base of the outside walls.
Level and secure the rat guard to the baseboard of the building.
AmeriRib panel should rest on the trim as shown.
● Windows and doors should be wrapped with J channel and drip
flashing. Note that drip flashing should only be used
above doors and windows. The exception to this is
cannonball track cover, which should replace drip
flashing over sliding doors.
Drip Edge
Drip Flashing
Z Flashing
Track
Cover
American Roofing Products American Roofing Products American Roofing Products Pole Barn Basic Installation Guide & Information
Ridge Caps
Inside Corner
Gambrel
Cannonball Track Cover Rat Guard/Base Guard Outside Corner
Gable/Rake
W Valley
Gable/Rake
Transition
J Channel
● Using shears, cut paneling to fit around windows and doors. Install side paneling. Ensure the first panel
on each wall is square before securing and adding additional panel. Use metal self tapping screws if apply-
ing to metal structure. The panel should rest/drain on the rat guard, on
top of drip flashing/cannonball track cover, and securely into the J
Channel.
● In addition to the above, for wainscoting or panel separation, use Z
Flashing to separate and properly flash between the panels.
● Inside building corners are sealed with inside corner trim pieces.
● Outside building corners are sealed with outside corner trim pieces.
.
Drip Edge
Drip Flashing
Z Flashing
American Roofing Products American Roofing Products American Roofing Products Pole Barn Basic Installation Guide & Information
Ridge Caps
Inside Corner
Gambrel
Cannonball Track Cover Rat Guard/Base Guard Outside Corner
Gable/Rake
W Valley
Gable/Rake
Transition
J Channel
● Larger doors can be trimmed out with Overhead Door Trim and Door Post Trim
● Install door hardware. Generally, the door assembly consists of
round track, a trolley that attaches to the door and rolls on the track,
latches, door stops, and side and bottom rails.
Drip Edge
Drip Flashing
Z Flashing
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