Miss Chris Bill of Materials
LUMBER & PLYWOOD: All plywood must be intended for
marine or exterior use; interior grades are not acceptable.
The marine grade panel features higher grade inner ply cores,
while the exterior plywood grade cores may have voids not
apparent to the eye, and may also use cores made from woods
not as suitable for marine applications. In most cases, the
glues used in both the marine and exterior panels are the
same waterproof type, however, the decision to use exterior
panels in lieu of marine panels must lie with the builder,
considering the particular use of the panel in the boat and
the expected service. The letters A, B and C designate the
grade of the exterior veneers with A grade the best, etc.
Douglas-fir plywood is acceptable for all plywood, although
mahogany or other attractive veneers are preferable in many
instances as described in these instructions.
All lumber used should be first grade, free from knots,
shakes, checks, or other defects. All widths are actual
size except for lumber 2" in thickness where widths are
also nominal. All thicknesses are NET. I.e. 1" thick
= 1", 1-1/4" = 1-1/4", 3/4" = 3/4".
All widths are NET. Grouping lumber and purchasing
"random-random" material to resaw to the required
size will result in considerable savings. All lumber sizes
should be checked to the work before purchasing wherever
possible. Lumber typical to the locale and proven in use in
boats of similar type can be used as long as the weight,
strengths, and characteristics are similar. Suitable
boatbuilding woods include white oak, mahogany (Mahog.-
Philippine dark red, American, or African types commonly used
in boats), Sitka spruce (SSP), Alaskan cedar, Port Orford
cedar, Douglas-fir (DF), longleaf yellow pine, apitong, and
teak.
HULL MATERIAL LISTING: The following material listing
is an estimate of the materials required to build the basic
hull. The material listing is intended to serve as a general
guide only and should not be used to purchase materials until
the various options and alternatives have been checked to the
plans, to the work, and to the materials which may be
available in the area in which the hull will be built. The
listing may vary due to the amount of waste and other
variables that cannot be controlled.
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ITEM
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MATERIAL
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SIZE
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NO.
PCS.
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LUMBER: Sizes given as NET thickness and width;
lengths allow extra for trimming and/or multiple
members.
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Framing/beams/transom
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Mahog, DF, SSP
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1-1/4" Nominal random-random stock (1" net),
170 bd. ft. with some widths to 8".
1-1/2" x 7-1/4" x 10' - 1
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Keel
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Mahog, DF
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13/16" min. x 5" x 24'
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2
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Chine logs
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Mahog, DF, SSP
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1" x 2" x 28'
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2
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Motor stringers
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Mahog, DF
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1" x 5" x 21'
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4
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Motor stringer blocking
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Mahog, DF
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1-1/2" x 3-1/2" x 10'
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2
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Battens
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Mahog, DF, SSP
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3/4" x 3/4"
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500'
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Sheer clamps
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Mahog, DF, SSP
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3/4" x 1-1/4"
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150'
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Spray rail
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Mahog
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5/8" x 1-1/2" x 28'
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2
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Deck strongback
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Mahog, DF, SSP
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3/4" x 4" x 16'
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1
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Deck battens
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Mahog, DF, SSP
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3/4" x 1-1/2"
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130'
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Carlings
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Mahog, DF, SSP
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3/4" x 3" x 21'
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2
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Hatch framing
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Mahog, DF, SSP
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3/4" x 2"
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36'
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Covering boards
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Mahog
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3/4" thick x varies with method - see
instructions.
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Hull planking
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Mahog veneer and/or ply, 1/8"-5/32" thick
random-random stock, approx. 1350 sq. ft.
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Deck planking
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Mahog
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1/4" random-random stock, 120 sq. ft.
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PLYWOOD:
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ITEM
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MATERIAL
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SIZE
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NO.
PCS.
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Stem, breasthook, transom, floor timbers
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DF Ext. AB
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3/4" x 4' x 8'
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2
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Gussets, transom
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DF A-B Ext.
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1/2" x 4' x 8'
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3
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Sub-deck
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DF A-B Ext.
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1/4" x 4' x 8'
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3
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Seat/floorboards
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DF A-B Ext.
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1/2" x 4' x 8'
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6
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FASTENINGS:
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Screws: Flathead wood type, bronze or hot
dipped galvanized
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1" #8 = 600
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1 1/4" #8 = 700
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1 1/2" #8 = 1500
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2" #10 = 300
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3" #14 = 36
Nails: Ring type boat nails, bronze or
Monel
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1" #12 = 4 lbs.
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1-1/4" #12 = 3 lbs.
Carriage Bolts: Bronze or hot dipped
galvanized complete with nuts and washers. Size
per schedule; take lengths directly from work.
Adhesives: Epoxy adhesives are advised
throughout the construction. These may be an epoxy
adhesive or epoxy resin. Epoxy resins should be used
with thickeners (silica or equal) per the
instructions with the resin and/or thickening agent.
Due to the noted options, the amount required is
difficult to estimate. Start with a gallon container
of epoxy and after use you will be better able to
estimate the total amount required.
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