2.2
2.3
2.4
G.
a. Interior finish lumber, trim, and millwork that are 1%4-inches or less in
nominal thickness ~ 12 percent on 85 percent of the pieces and 15
percent on remainder.
b. Exterior treated or untreated finish lumber and trim that is 4 inches or
less in nominal thickness - 15 percent.
c. Other Materials - 19 percent.
Preservative Treatment of Wood Products
1. Lumber treated in accordance with AWPA C1 and AWPA C2, and plywood in
accordance with AWPA C1 and AWPA C9 shall be used on wood members in
contact with masonry or concrete. Treatment shall be verified by an
approved inspection agency report, or the AWPB LP22 on each piece.
2. Furnish treated lumber for:
a. All wood members in contact with concrete
b. All wood members installed below grade, interior or exterior
FASTENERS
A.
C.
Nails and staple shall be size and type best suited for the purpose, in accordance
with commonly accepted construction practices. Conform to Fed. Spec. FF-N-15-
105 when applicable, and local building codes.
Fastener Lengths and Nails
1. Sheathing -1-inch into supporting member
2. Siding - 1%-inches into supporting members
3. 1-inch thick lumber - minimum 8d nails
4. 2-inch thick lumber - minimum 16d nails
All fasteners shall be hot dipped galvanized.
INSULATION
A.
Ceiling fiberglass insulation shall be thermal resistance value (R-value) R-19,
ASTM C 665, paper faced vapor barrier, fiberglass batt minimum 3-1/2-inches
thick 5 1/2-inches thick.
Sill Sealer Insulation shall conform to ASTM C665, Type I.
Rigid Insulation shall be closed cell extruded polystyrene foam board, tongue
and groove edges, as manufactured by Dow Chemical Company. Thickness as
indicated on the Drawings.
SOFFIT VENTS
A.
2-inch diameter, plastic or aluminum.
File No. 3066.09 Wood Framing and Insulation 06210 - 3 of 6 December 2017
