DECRA Villa Tile Installation Details DECRA Villa Tile Installation

DECRA Villa Tile Installation Details
© DECRA Roofing Systems, Inc. 2008
Villa Panel – Detail
Deck Preparation – New Construction
Prepare roof deck to meet local
building codes – in areas
susceptible to freeze/thaw, ice &
water shield is recommended
Underlayment is required –
one layer Type 15 or Type 30
greater if required
q
by
y
felt – or g
local code
Deck Preparation – Tear-off / Re-roof
Tear off old roof
Clean and prepare deck to meet
local codes
Underlayment is required – one
layer Type 15 or Type 30 felt – or
greater if required by local code
Deck Preparation
p
– Roof Over Asphalt
p
Cut asphalt
shingles back flush
with the fascia or
rakes as needed
and remove hip &
ridge pieces
Underlayment is
required – one
layer Type 15 or
Type 30 felt – or
greater
t if required
i d
by local code
Install Stacked 2 X 2’s
Over prepared deck, position two stacked 2 x 2s flush along
rake/gables,
g
, up
p the center of the hips
p and along
g ridges
g
Villa Channel
Install Villa Channel at
rake/gable, roof-towall, and along both
sides of the 2 x 2s at
the hip
Villa Channel - Fastening
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Overlap a minimum of
6” – fasteners are
positioned outside the
l t rib
last
ib
Villa Valley
Valley pieces should overlap
minimum 6” – fasteners should be
positioned outside the last rib on
either side – paint the valley
before installing panels
Use Villa Valley or standard
concrete valley metal – minimum
26 gauge pre-finished aluminumzinc alloy coated steel, minimum
16” wide with a minimum 3-1/4”
16
3 1/4
center upstand
Ice & water shield recommended for
f
freeze/thaw
/th
conditions
diti
1 x 4 at First Course
Install a 1 x 4 behind the first
course of panels – 15-1/2”
from the edge of the fascia
15-1/2”
Fasten to the deck with a screw that
will fit flush and is long enough to
penetrate the deck
1 x 4 provides for easier installation
and accurate panel alignment
eave
Panel Installation
Lay out panels and fasten as
you go along - start at the
fascia and work towards the
ridge
Fasten only the back of the
first course of panels at the
eave – the nose of the panel
will be fastened after the Bird
Stop – Eave is installed
Panel Installation
Panels can be laid right to
left or left to right – overlap
area must be covered by
overlapping panel
Periodically check alignment by
snapping a chalk line at 141/2” intervals
Fastener Placement
Bird Stop - Eave
Install and fasten Bird Stop –
Eave after installing
ga
minimum of two courses above
the eave
Required along the fascia
Bird Stop – Eave must be
notched where it terminates
into the Villa Channel –
fasteners placed every 10”
Right and left edges notched in the
same manner
Eave Fastening
Fasteners will go through the
nose of the panel and the Bird
Stop – Eave into the deck
Make sure the Bird Stop – Eave
fits tight to the first course of
panels without gaps
Panel Installation – Valley
y & Hip
p
When installing along valleys and hips, Villa Panels will terminate into
the Villa Channel or Villa Valley
Valley, cut panels at an angle to fit tight
where they terminate
Roof to Wall
Install panels up to the wall
– cut the back of the last
course so it fits tight
g –
install Bird Stop - Ridge
If wall flashing is present,
tuck Villa Channel behind
existing
g flashing
g – cut p
panel
into the Channel
Panel Installation at Ridge
Install panels up to the 2 x 2 at
the ridge – cut back the last
course so it fits tight against the
stacked 2 x 2s – use a hand
bender to turn up the pan
portion
Bird Stop Ridge
Install by lining up with the
back of the cut panel and
attaching it to the stacked 2 x
2s – overlapping the last course
Ridge Ventilation - Examples
If a vented ridge is desired, stack three 2 x 2 battens and
install along the length of the ridge - fasten a 1 x 2 on top
of the 2 x 2s. Use a 1” venting material and fasten to both
sides of the battens along the length of the ridge – secure
the Hip
p & Ridge
g trim through
g the 1 x 2
Hip and Ridge
IInstall
t ll along
l
th
the
rake/gable, hips and
ridges – fasten through
p down into the
the top
stacked 2 x 2s
Use a Tile End Cap to cover
open end of Hip & Ridge pieces
at fascia
Penetrations
Cut a Villa Tile Underpan to fit
tight – fit the pipe-flashing
apron
p
to the Underpan
p
– cut
the Villa panel to fit tight – seal
around base and use Touch-up
Kit
Chimney, Skylights & Dormers
Cut panels to fit around the
chimney,
y, skylight
y g or dormer
Short Course
A short course is inserted by cutting off the back shelf of the lower panel
and running the full panel above over the top – fasten through the nose
into the high point of the panel below
Capri Clay
Venetian Gold
Rustico Clay
Pompeii Ash
Amalfi Sand
Helpful
p
Tools
Villa Installation Guide
Both available at www.decra.com
Villa Estimating Sheet
Ordering
g
• DECRA Manufactured
– Villa panels 25.2/Sq.
– Trim 1/Ft. gable, hip, and
ridge
– Villa
ll Channel
h
l 6’’ 6””
– Villa Valley 6’ 6”
– Colored #9 X 1.5” Screws
– Zinc #9 X 1
1.5
5” Screws
4/Panel
– Eave Bird Stop 5’
– Ridge Bird Stop 5”
– Touch up kit 1/15Sq.
– Underpans 1/penetration
– Barrel Ends
• Other Manufactures
– 1 X 4 Lumber total eave
measurement
– 2 X 2 Lumber gable, hip and ridge
measurement X 2
– Or 2 X 4 lumber at gable
gable, hip and
ridge total measurement
– Pipe flashings
(Alum works best)
– Underlayment
– Screen Mesh
– Ridge Vent material
– Paint
– Standard Gable Metal WZ only
Unique
q Situations – Trouble-shooting
g
• Alternate installation direction every
y other course
• Install panels from the middle out for long runs
• Use a stitch screw at back flange overlap to
“draw up” panel
• Work into valleys and hips
• Lower batten build up and notch Hip & Ridge at
high points so the barrel fits tighter at low points
• Weave jjack in with p
paper
p when using
g Underpan
p
• When cutting panel, cut through the back first –
metal to stone coating