SECTION 07 3213
CLAY ROOF TILES
PART 1 - GENERAL
1.01
SUMMARY
A.
Section Includes:
1.
B.
1.02
Clay roofing tile system with secondary waterproofing underlayment.
Related Requirements:
1.
Division 01 - General Requirements.
2.
Section 06 1000 - Rough Carpentry.
3.
Section 07 1326 - Sheet Waterproofing.
4.
Section 07 6000 - Flashing and Sheet Metal.
PROJECT REQUIREMENTS
A.
Performance Requirements: Install flashing, counter-flashing, and thru-roof penetration
flashing as specified in Section 07 6000 – Flashing and Sheet Metal, and in accordance
with manufacturer's recommendations as approved.
B.
Regulatory Requirements:
1.03
1.
Comply with CBC Chapter 1507.3.
2.
Comply with UL requirements for Class A Rating.
3.
Comply with requirements of DSA Interpretation of Regulations:
a.
IR 15-1: Attachment of Clay or Concrete "S" Roof Tile
b.
IR 15-2: Clay and Concrete Roof Tile Materials and Applications
SUBMITTALS
A.
Shop Drawings: Submit plans and details illustrating locations of underlayment, tile,
gutter, downspout, and flashing. Submit details of tile installation and fastening
procedures, connections to sheet metal and adjoining Work, and specific installation
conditions, including eaves, ridges, and gable ends.
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-1
B.
Product Data: Submit manufacturer's Product Data for each material and accessory
proposed for installation.
C.
Samples: Submit Samples of each type and size of clay roofing tile, grout color, and roof
ventilation unit.
D.
Sample Installation: At designated roof area, provide Sample installation for review.
E.
Installation Instructions: Submit manufacturer’s recommended installation instructions.
F.
Certificates: Submit manufacturer's certification that installer is certified by manufacturer
to install the products of this section.
G.
Closeout Submittals: Submit manual including manufacturer’s recommendations for roof
maintenance and repairs.
1.04
QUALITY ASSURANCE
A.
Qualifications of Installer: Minimum five years experience in successfully installing the
same or similar roofing materials and certified in writing by the roofing materials
manufacturer to install the specified roofing products.
B.
Pre-Installation Conference and Inspection: After review of submittals but prior to starting
installation of Work of this section, conduct a meeting at the Project site attended by the
Architect, Project Inspector, OAR, Contractor, roofing installer, and a technical
representative of the roofing material manufacturer. The roofing installer and material
manufacturer's technical representative shall inspect the substrates to receive Work of
these section and report, in writing, defective conditions to Project Inspector, OAR,
Architect and Contractor.
C.
Manufacturer's Representative: Provide arrangements necessary to have a trained
representative of the manufacturer visit the Project site on a weekly basis to observe the
installation of roofing Work.
D.
Unless otherwise specified, all roofing will be provided in accordance with the NRCA
recommendations.
E.
Research/Evaluation Reports: For clay roof tiles, fasteners, and fastener systems, from
the ICC are required for each component.
1.05
1.06
DELIVERY, STORAGE AND HANDLING
A.
Deliver materials to the Project site in unopened packages with legible labels.
B.
Store materials in above grade protected from weather and physical damage in accordance
with roofing manufacturer's instructions.
WARRANTY
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-2
A.
Provide a five year, non-prorated labor and material warranty.
PART 2 - PRODUCTS
2.01
ACCEPTABLE MANUFACTURERS
A.
US Tile Corporation.
B.
M.C.A.
C.
Monier Lifetile
D.
Equal.
2.02
MATERIALS
A.
Clay Roofing Tile: Conform to ASTM C 1167, Type I (high profile), Type II (low
profile), or Type III (flat) as selected, Grade 1 (severe frost) or Grade 2 (moderate frost).
Tile shall be fired clay units of sizes, color, type, finish, and appearance as selected,
complete with gable, ridge, and starter units as required.
B.
Secondary Waterproofing Membrane: W.R. Grace Vycor Ultra, Protecto Wrap Co.
Protecto Jiffy Seal Ice & Water Guard HT, Carlisle Construction Materials, WIP 300HT,
or equal.
C.
Birdstop: Clay to match tile. Birdstops formed of mortar are not permitted.
D.
Nailers: Pressure preservative treated.
E.
Wood Battens Where Occurs (Nailers): Douglas Fir, WCLIB, construction grade treated
moisture resistant, nominal size as indicated on the Drawings.
F.
Nails: Copper ring shank nails, 10 gage, with minimum 7/16 inch diameter head or 10
gage stainless steel ring shank nails with minimum 3/8 inch head and of sufficient length
to penetrate 3/4 inch into substrate. Verify that chemicals used in pressure treatment of
ridge and hip boards are compatible with copper nails.
G.
Mastic: Conform to ASTM D 4586, Type II, asbestos free.
H.
Tile - Tie Strap System: to be 1 inch wide by 24 gage (.024 inch), type 304A stainless
steel strap conforming to ASTM A240, the completed system shall be comprised of like
metals. Tyle-Tye Strap System as manufactured by Newport Tool & Fastener Company,
Inc., Wire Works, or equal.
I.
Strap Fasteners: stainless Steel with a 5/16 inch head minimum, the double plate anchor
system encompassing two 3-inch diameter stamped plates of stainless steel, of sufficient
length to penetrate 3/4 inch into substrate.
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-3
J.
Tie Wire: to be 16 gage, (.0625 inch diameter) stainless steel tie wires (18-inch or 28inch). Use three full revolutions for each tie point.
K.
Nose Hooks: from type 300 series (.090 inch diameter) Stainless Steel.
L.
Connectors: Connectors are to be manufactured from (.090 inch diameter) Type 304
Stainless Steel conforming to AISI-304.
M.
Grout: Composed by volume of one part Portland cement, four parts sand, and water to
form a firm mixture, with pure ground mineral oxide coloring pigments added as required
to match the reviewed Sample where grout is exposed.
N.
Roof Tile Adhesive: Manufacturer’s standard asphalt-based, one or two-part, asbestos
free, cold-applied adhesive specially formulated for compatibility and use with
underlayments.
O.
Penetration Flashings: Primary and Secondary Penetration flashings are to be 4 pound
lead as specified in section 07 6000.
PART 3 - EXECUTION
3.01
EXAMINATION
A.
Verify deck is dry, sound, clean and smooth, free of depressions, waves or projections.
Verify that sheathing is supported at all edges and properly nailed, in accordance with
requirements of related Section 06 1000.
B.
Examine substrate to receive roofing system and associated Work and conditions under
which roofing will be installed. Do not proceed with roofing until unsatisfactory
conditions have been corrected.
C.
Coordinate installation of roofing with flashing installation specified in Section 07 6000 Flashing and Sheet Metal. Verify that sheet metal is no lighter than 24 gage.
3.02
PROTECTION
A.
Protect building surfaces against damage from roofing Work.
B.
Protect surfaces where additional Work must continue over finished roof.
3.03
MEMBRANE APPLICATION
A.
Comply with CBC, Chapter 15 and the following.
B.
Install two-ply membrane system in accordance with manufacturer's instructions as
reviewed. Membrane shall be adhered directly to roof deck. Membrane shall be cut into
10 to 15 foot lengths and shall be re-rolled. The release paper shall be peeled back and
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-4
the membrane shall be pressed in place. Lower edges shall be rolled firmly with a
wallpaper or hand roller. Ends and edges shall be overlapped a minimum of 6 inches.
C.
Valley and Ridge Application: The membrane shall be cut into 4 to 6 foot lengths, and
the sheet centered over the valley or ridge, pressed in place working from the center of the
valley or ridge outward in each direction. For valleys, membrane shall be installed
starting at the low point and working towards ridge. Sheets shall overlap a minimum of 6
inches.
D.
Vertical Membrane Flashings: Install primer before the application of membrane, at a rate
of 250-350 square feet per gallon. Membrane shall be turned up walls and other vertical
surfaces. Vertical membrane terminations shall be mechanically fastened. Vertical
terminations shall receive a troweling of mastic as required by the membrane
manufacturer.
E.
Protection: Membrane underlayment shall not be left permanently exposed to sunlight.
Membrane shall be covered with exposed roofing materials as soon as possible.
Membrane damaged due to exposure to sunlight shall be patched prior to the application
of final roof covering.
F.
Primary Penetration Flashings are to be stripped in with two-ply membrane system, in
accordance with the manufactures recommendations.
3.04
INSTALLATION OF NAILERS AND BATTENS
A.
3.05
Cut material to approximate 4-foot lengths, and secure to deck leaving a space of
approximately ½ inch between pieces, or provide spacers between battens and
underlayment to allow for drainage.
INSTALLATION OF TILE
A.
Birdstops: Install birdstops at eaves. Install two 3/8 inch beads of adhesive to the bottom
of the birdstop parallel to its length, ¾ inch in from long edges and terminating ¾ inch
from each of the short edges. Install birdstops flush with edge of roof deck and nail in
place with 2 nails.
B.
Gables, Hips, and Ridges: Install tiles with nails and adhesive and install cement mortar
for decorative purposes only. Soak tiles in contact with mortar, in clean water for not less
than three minutes immediately before installation. Install tiles in a solid bed of colored
grout as required, exposed surfaces finished to match the Sample installation.
C.
Tile Laying: Install clay roofing tile as recommended by manufacturer, as indicated,
specified herein, and to match Sample installation. Install the tiles in straight vertical runs
with bottom edges on horizontal lines across the roof surfaces. Install runs so areas are
symmetrical in pattern. Examine each tile for cracks, chips, or other defects, and discard
defective tiles.
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-5
D.
Install field tiles with 3-inch minimum head lap over specified waterproofing membrane;
tie all tiles as specified. Accurately saw cut tile units as necessary to fit around drains,
pipe, and/or duct roof penetrations, at valley intersections and other architectural features.
Roof layout, coursing, and any necessary adjustments to spacing of tile courses shall be in
accordance with recommended installation instructions of the tile manufacturer.
E.
Install tie strap system fastened to the substrate no more than 5-foot on center. Individual
roof tiles are to be fastened to the strap in accordance with the manufactures
recommendations. Each tile shall be fastened in two locations; the Tie Wire Method will
require the use of nose hooks.
3.06
PROTECTION
A.
3.07
Protect the Work of this section until Substantial Completion.
CLEANUP
A.
Remove rubbish, debris, and waste materials and legally dispose of off the Project site.
END OF SECTION
PROJECT NAME
SCHOOL NAME
10/01-2011
CLAY ROOF TILES
07 3213-6