CastleTop Metal Roof Installation

CastleTop Metal Roof Installation
Best MATERIALS
CastleTop® is a registered trademark of ATAS International, Inc.
KYNAR 500® is a registered trademark of Arkema.
HYLAR 5000® is a registered trademark of Solvay Solexis, Inc.
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Review and understand
complete guide before
beginning installation.
This guide has been prepared
as suggested details to
particular design conditions.
Each condition has certain
limitations to performance, aesthetics
or economics. Professionals qualified to assess the
information regarding suitability for a specific project
should determine that the selection and installation
are made to their requirements. ATAS cannot assume
any responsibility for the actual selection and/or
installation of materials. The panels, flashings and trim
shown in this guide, illustrated over solid and plumb
substrate, assume that the structure has been
designed and prepared in accordance with local
building codes.
Installation Guide
CastleTop is a diamond shaped flat metal shingle. These shingles have a unique
locking feature that allow for easy installation. The overlapping shingles have a
turned down edge on the lower front and a turned up edge on the upper front.
The panel is 15 3/4” square, net coverage is 13 5/8” x 13 5/8”. There are approximately
78 shingles per 100 square feet. The CastleTop shingle is packed 39 shingles
per carton, which equates to approximately half of a square.
Up-turned edge
Expanded
Polystyrene
Backer Board
15
”
/4
-3
Alignment mark
Alignment Point
Alignment
Point
Pre-Punched
fastening holes
Locking Tab
Connecting Area
Locking Tab
Shingle Layout
It is recommended to apply
waterproof membrane, such as
ATA-Shield**, at eave, gable, and
valley. Place ATA-Guard*
underlayment up from the eave.
For re-roof applications, remove
the extended roof material and old
drip edge. After Starter Trim is
installed (see page 2), snap a
horizontal chalk line at 8 3/8” from
the edge after squaring up eave.
Snap vertical lines at 11 1/8” o.c.
Line-up shingle corners with chalk
lines to assure square alignment of
the shingles. To aid in squaring of
shingle, make sure alignment
points meet at the alignment mark
of the lower course. Shingles are
secured with three fasteners per
shingle.
Down-turned Edge
Horizontal chalk line
for first course
Strike square horizontal chalk line
at shingle course as a “benchmark”
to work at opposite side of valley.
8-3/8”
Valley @
Dormer Area
22-1/4”
Eave Line
Published panel width dimensions are to be considered as nominal dimensions. Overall panel
width dimensions may vary during installation due to adjustments to accommodate as built roof
conditions.
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Helpful hint: to square-up the
shingle, line up the top hole with the
vertical line.
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EaveMATERIALS
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2” Ring Shank
Grommetted Nail
1. When applying in a re-roof application, cut back
existing shingles and drip edge to be flush with the
eave and gable lines. Apply ATA-Shield at eave.
Eave Detail
1. Install
When Drip
applying
in a re-roof
application,
cut back
2.
Edge/Starter
Trim.
Place lap joint
of
existingtrim
shingles
andof
drip
edge to
flush
with the
starter
at center
shingles
to be
hide
seam.
eave and gable
Apply ATA-Shield
at eave.
Fasteners
shouldlines.
be located
under the center
of each
shingle.
2. Install Drip Edge/Starter Trim. Place lap joint of
starter
at centertoofentire
shingles
3.
Applytrim
ATA-Guard
roof.to hide seam.
Fasteners should be located under the center of each
shingle.
4.
Remove the foam backer from lower half of the first
row of shingles to assure a flat seal onto the starter
3. Apply ATA-Guard to entire roof.
trim.
2” Ring Shank
Grommetted Nail
Castle Top Shingle
Castle Top Shingle
HCA112
Drip Edge/
Starter Trim
HCA112
4. Cut
Remove
foam
backer edge
from from
lowershingle
half of the
5.
lowerthe
part
of locking
(seefirst Drip Edge/
row of shingles
assure a flat
ontounder
the starter
detail);
bend thetoremaining
tabseal
inward
edge of
Starter Trim
trim. trim to avoid wind uplift. Fasteners must
starter
ATA-Guard*
ATA-Shield**
ATA-Guard*
ATA-Shield**
penetrate solid substrate.
5. Cut lower part of locking edge from shingle (see
detail); bend the remaining tab inward under edge of
starter trim to avoid wind uplift. Fasteners must
penetrate solid substrate.
Gable Detail
1. Install Channel Trim on gable edge, fasten into
the substrate 12” o.c.
Gable Detail
2. Insert cut edge of shingles into channel trim.
1. Install Channel Trim on gable edge, fasten into
theHook
substrate
o.c.over channel, fasten with
3.
Gable12”
trim
appropriate fastners.
2. Insert cut edge of shingles into channel trim.
3. Hook Gable trim over channel, fasten with
appropriate fastners.
Bend Line
Bend Line
HCA200 Channel Trim
HCA201
Gable Trim Cap
Approriate
Fastener
HCA200 Channel Trim
Approriate
Fastener
Valley Detail
Castle TopCut Line
Shingle
Castle Top Shingle
2” Ring Shank
Grommetted Nail
ATA-Guard*
2” Ring Shank
Grommetted Nail
ATA-Guard*
Valley Detail
2. Install the valley with the joggle cleat
1. Install ATA-Shield**
18” up
both
side of
maintaining
a 3” clearance
from
valley’s
the valley
line.
center.
Place
butyl tape between joggle
cleat and pan. Fasten through tape into
2. Install
the valley
the
substrate
6” o.c.with
max.the joggle cleat
maintaining a 3” clearance from valley’s
center.
Place
butyl
tape
joggle
3.
Overlap
valley
pans
bybetween
a minimum
of
cleat andbutyl
pan.tape/caulk
Fasten through
tapeall
into 2” Ring Shank
6”.Apply
between
Grommetted Nail
the substrate
valley
metals. 6” o.c. max.
Remove foam backer from
lower part of shingle
first row only
Remove foam backer from
lower part of shingle
first row only
Cut Line
HCA201
Gable Trim Cap
1. Install ATA-Shield** 18” up both side of
the valley line.
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HCA800
Valley Pan
HCA975
Joggle Cleat
Castle Top Shingle
HCA800
Valley Pan
HCA975
Joggle Cleat
Castle Top Shingle
Butyl Tape
ATA-Shield**
ATA-Guard*
Butyl Tape
3. Cut
Overlap
valley
pans
by a cut
minimum
4.
backer
foam
1” from
edge ofof
2” Ring Shank
6”.Applyand
butyl
tape/caulk
between
all
shingle
turn
shingle under
as shown.
ATA-Guard*
Grommetted Nail
valley metals.
ATA-Shield**
5. Hook shingles onto the joggle cleat and lay in the valley pan and fasten.
4. Cut backer
foam
1” from
cut edge of
Maintain
square
line-up
of shingles.
shingle and turnATA-Guard*
shingle under
shown. based, 100% asphalt free,
Underlayments:
is aas
polyolefin
Underlayments: ATA-Shield** is the recommended self adhesive
high strength reinforced roofing underlayment for use beneath
underlayment for eaves, sidewall and any critical areas exposed to ice
5. Hook
shingles
joggle
cleat and lay
in sq.
theft.
valley
panatand
metal
roofing
on onto
steepthe
slope
applications.
1000
per roll
48”fasten.damming and extensive water run off. Available in 65’-8” x 39 3/8” rolls
Maintain square line-up of shingles.
wide.
(200 sq. ft. per roll).
Underlayments: ATA-Guard* is a polyolefin based, 100% asphalt free,
Underlayments: ATA-Shield** is the recommended self adhesive
high strength reinforced roofing
underlayment
beneath
underlayment for|eaves,
sidewall and any critical areas exposed to ice
Best
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1-800-474-7570
metal roofing on steep slope applications. 1000 sq. ft. per roll at 48”
damming and extensive water run off. Available in 65’-8” x 39 3/8” rolls
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Hip & Ridge Detail
Hip and ridge applications are handled
in the same manner.
HCA303
Ridge/Hip Cap
1. Install Castle Top roof shingles to meet at hip/ridge.
2” x 5/16” Painted
Gasketed Screw
2. Apply expandable sealant tape to ridge cap; place
just behind returned edge of cap.
Soft Cell Closure Tape
3. Secure the cap with 2” x 5/16” painted gasketed
Castle Top Shingle
screws on each side of ridge at approximately 2’-0” o.c.
Make sure the screw penetrates soft cell closure
between metals.
Note: Make sure to fasten the caps to the high point on
the shingle in order to avoid dimpling, and make sure the
screw penetrates the cap through the expandable
sealant tape into the solid substrate. Ridge caps can
accommodate standard ridge venting products. Refer to
venting manufacturer’s instructions and local building
code requirements.
ATA-Guard*
2” Ring Shank
Grommetted Nail
Headwall Detail
1. Install the shingles up to the headwall.
Wall Treatment
Approriate
Fastener
2. Depending on wall treatment, cut reglet in wall.
3. Apply soft cell closure tape to the headwall trim just
behind returned hem of headwall.
HCA500
Headwall
Trim
4. Lay headwall trim over shingles while insuring that the
perpendicular section is flush to the wall.
2” x 5/16” Painted
Gasketed Screw
Soft Cell Closure Tape
5. Secure the headwall with 2” x 5/16” painted gasketed
screws at approximately 2’-0” o.c. Make sure the screw
penetrates soft cell closure between metals.
Castle Top Shingle
6. Install counterflashing or wall treatment over headwall.
2” Ring Shank
Grommetted Nail
Shed Ridge Detail
1. Install metal shingle up to the roof peak.
2. Apply soft cell closure tape on the inside of the shed ridge
cap just above the hem.
3. Lay shed ridge trim over shingles while insuring that the
cap is tight against the peak.
Soft Cell
Closure Tape
2” Ring Shank
Grommetted Nail
Castle Top Shingle
4. Secure shed ridge cap with 2” x 5/16” painted gasketed
screws at 24” o.c., making sure to fasten through tape and
shingle into solid substrate.
ATA-Guard*
2” x 5/16” Painted
Gasketed Screw
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ATA-Guard*
HCA342
Shed Ridge
Cap
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Sidewall Detail
1. Install ATA-Shield** along roof plane and up
Approriate sidewall.
Fastener
2. Install channel trim; fasten into the substrate 12”
o.c.
Wall Treatment
HCA200
Channel Trim
3. Place panel into channel, fasten.
HCA410
Sidewall Trim
4. Apply soft cell closure tape in channel.
Castle Top
Shingle
Blocking
5. Install sidewall trim. Secure to the exterior wall.
6. Install wall treatment or counterflashing.
ATA-Guard*
Trim Boards
1” Screw (Shown)
or 2” Screw Shank
Grommetted Nail
Wood Substrate
Note Regarding Trim Details
The application of flashing and trim requires a detailed approach. Consideration should be given to the roof’s geometry and course it creates for
water run-off. Location of gutters and the use of snow retention systems should also be considered. Proper planning regarding the sequence of
material overlap is critical. Sealants, such as butyl tapes and tripolymers, should be used at overlapping trim edges, in conjunction with exposed
fasteners, and to seal flashings. All fasteners should be properly tightened and not overdriven at an angle. Fasteners that are too loose can “back out”
over time. An overdriven fastener may cause a depression in the material, which becomes a collection point for standing water.
Pipe Detail
Step 1
Cut on the proper pipe
diameter marked on the
flashing.
Step 2
Position over pipe and slide
down the pipe.
Step 3
Apply polyurethane sealant
to the bottom of the base.
Step 4
Mold the flexible base to the
panel contours.
Step 5
Fasten with 1/4” x
1 1/8” drilling
fastener every 11/2”
around the base.
Pipe drawings provided by Triangle Fasteners
Tools and Rules:
Basic Equipment Required:
Tie-off ropes, safety harness, long level, ladders, scaffolding with
approved planking, extension cords with approved ground plugs
and services.
Additional Tools:
Metal folding tool, hammer, chalk line, measuring tape, metal
cutting tools - nibblers, drills, hacksaw, utility knife, pop-rivet
gun, caulking guns, layout and combination square, C clamps,
sheet metal shears (including RH, LH, straight and overhand).
Power driven screw gun with proper bits, depth-setting
nosepiece, variable speed.
Choose the correct equipment and tools to do the job in a
safe manner. Wear safety gear and follow OHSA
requirements.
Follow these simple rules:
1. Never cut the panels with an abrasive cut-off wheel or torch, as this will damage
the finish.
2. Do not weld the trim or panels.
3. Remove any small burrs left by cutting, screwing or drilling.
4. Remove protective masking immediately after trim and panels are installed.
5. Caution should be taken when unloading the panels to prevent damage.
6. Use appropriate screws for the type of underlayment and long enough to fully
penetrate and secure the panel.
7. The stored materials should be kept dry.
8. Do not cut on finished roof. Remove all drill spirals, chips and dust immediately.
9. Seal neoprene closures and soft cell foam by applying appropriate sealant to
both surfaces.
10. Put appropriate sealant/butyl tape between overlapping trims.
11. Overlap trims in a manner not to impede the flow of water.
For further information or assistance, contact our Product Support at 800.468.1441
ATAS International, Inc.
Corporate Office - Allentown, PA 18106 www.atas.com (610.395.8445)
LRD0412 LAT230
©2012 ATAS International, Inc. and Accel Roofing Products. All rights reserved. CastleTop® is a registered trademark of ATAS International, Inc.
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