073129Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
WOOD SHINGLES AND SHAKES Page 1 of 5 073129
SECTION 073129 -WOOD SHINGLES AND SHAKES
PART 1 -GENERAL
1.1 RELATED DOCUMENTS
A.Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to this
Section.
1.2 SUMMARY
A.This Section includes the following:
1.Wood shingle walls.
2.Felt underlayment.
B.Related Sections include the following:
1.Division 06 Section "Finish Carpentry" for wood wall corner trim.
1.3 DEFINITIONS
A.Roofing Terminology: Refer to ASTM D 1079 and glossary of NRCA's "The
NRCA Roofing and Waterproofing Manual" for definitions of terms related to
roofing work in this Section.
1.4 SUBMITTALS
A.Product Data: For each type of product indicated.
B.Samples for Initial Selection: For each type of wood shingle indicated.
1.Include similar Samples of trim and accessories involving color selection.
C.Samples for Verification: For the following products, of sizes indicated, to
verify color selected.
1.Wood Shingles: Full size.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
WOOD SHINGLES AND SHAKES Page 2 of 5 073129
1.5 QUALITY ASSURANCE
A.Installer Qualifications: A qualified installer who is an approved affiliate
member of CSSB.
B.Grading Agency Qualifications: An independent testing and inspecting agency
recognized by authorities having jurisdiction as qualified to label wood
shingles for compliance with referenced grading rules.
C.Source Limitations: Obtain wood shingles through one source from a single
manufacturer.
D.Preinstallation Conference: Conduct conference at Project site to comply with
requirements in Division 01 Section "Project Management and Coordination."
1.6 DELIVERY, STORAGE, AND HANDLING
A.Store underlayment rolls on end on pallets or other raised surfaces. Do not
double-stack rolls.
1.Handle, store, and place roofing materials in a manner to avoid
significant or permanent damage to roof deck or structural supporting
members.
B.Protect unused underlayment from weather, sunlight, and moisture when left
overnight or when roofing work is not in progress.
1.7 PROJECT CONDITIONS
A.Weather Limitations: Proceed with installation only when existing and
forecasted weather conditions permit roofing to be performed according to
manufacturer's written instructions and warranty requirements.
PART 2 -PRODUCTS
2.1 WALL SHINGLES
A.Cedar Wall Shingles: Smooth-sawn atlantic white cedar shingles.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
WOOD SHINGLES AND SHAKES Page 3 of 5 073129
1.Grading Standards:UBC Standard 15-4.
2.Grade: No.1.
3.Size: 16 inches (405 mm)long; 0.40 inch (10 mm)thick at butt.
2.2 UNDERLAYMENT MATERIALS
A.Roof Felt Underlayment: ASTM D 226 or ASTM D 4869, Type I, asphalt-
saturated organic felt.
2.3 ACCESSORIES
A.Roofing Nails: ASTM F 1667; stainless-steel wire nails, sharp-pointed, and of
sufficient length to penetrate a minimum of 3/4 inch (19 mm)into sheathing.
1.Use box-type nails for wood shingles.
2.Where nails are in contact with metal flashing, use nails made from same
metal as flashing.
B.Felt Underlayment Nails: Stainless-steel steel wire nails with low-profile
capped heads or disc caps, 1-inch (25-mm)minimum diameter.
PART 3 -EXECUTION
3.1 EXAMINATION
A.Examine substrates, areas, and conditions, with Installer present, for
compliance with requirements for installation tolerances and other conditions
affecting performance of work.
1.Examine sheathing to verify that sheathing joints are supported by
framing and blocking or metal clips and that installation is within flatness
tolerances.
2.Verify that substrate is sound, dry, smooth, clean, sloped for drainage,
and completely anchored; and that provision has been made for flashings
and penetrations through roofing.
B.Proceed with installation only after unsatisfactory conditions have been
corrected.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
WOOD SHINGLES AND SHAKES Page 4 of 5 073129
3.2 UNDERLAYMENT INSTALLATION
A.Single-Layer Roof Felt Underlayment: Install single layer of roof felt
underlayment on roof deck perpendicular to roof slope in parallel courses. Lap
sides a minimum of 2 inches (50 mm)over underlying course. Lap ends a
minimum of 4 inches (100 mm). Stagger end laps between succeeding courses
at least 72 inches (1830 mm). Fasten with felt underlayment nails.
3.3 METAL FLASHING INSTALLATION
A.General: Install metal flashings and other sheet metal to comply with
requirements of SMACNA.
B.Head Flashings: Extend lower flange over and beyond each leading edge of
window casing and up the vertical surface.
3.4 WALL SHINGLE INSTALLATION, SINGLE COURSED
A.Install wood wall shingles according to manufacturer's written instructions and
recommendations in CSSB's "Design and Application Manual for Exterior and
Interior Walls."
B.Install wood shingles, beginning at base of wall, with a double-layer starter
course in a continuous straight line. Offset joints of double-layer starter
course a minimum of 1-1/2 inches (38 mm).
C.Install first course of wood shingles over starter course. Install second and
succeeding courses of wood shingles, offsetting joints between shingles in
succeeding courses a minimum of 1-1/2 inches (38 mm).
1.Install shingles in continuous straight-line courses.
2.Install shingle courses with butt lines staggered 1-1/2 inches (38 mm)
from true butt line.
3.Fasten each shingle with 2 concealed nails spaced 3/4 to 1 inch (19 to 25
mm)from edge of shingle and 1 inch (25 mm)above butt line of
subsequent course. For shingles wider than 8 inches (200 mm,)add 2
concealed fasteners to the center of shingle spaced 1 inch (25 mm)apart.
Drive fasteners flush with top surface of shingles without crushing wood.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
WOOD SHINGLES AND SHAKES Page 5 of 5 073129
4.Maintain weather exposure to match existing shingles.
END OF SECTION 073129