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AGE of a BUILDING - HOW to DETERMINE
ARTICLE INDEX to BUILDING AGE
ARTICLE INDEX to BUILDING ARCHITECTURE
ARCHITECTURE & BUILDING COMPONENT ID
ARCHITECTURE, STYLE, & BUILDING AGE
CEILINGS & WALLS, PLASTER TYPES
CHIMNEYS & FIREPLACES, AGE, TYPES
DOOR HARDWARE AGE
DRYWALL, PLASTER, BEAVERBOARD
ELECTRICAL COMPONENTS AGE, TYPES
FLOORING MATERIAL AGE
FOUNDATION MATERIALS, AGE, TYPES
FRAMING MATERIALS, AGE, TYPES
FRAMING METHODS, AGE, TYPES
MOBILE HOMES, DOUBLEWIDES, TRAILERS
MODULAR HOME CONSTRUCTION
NAILS & HARDWARE, AGE, TYPES
PLUMBING MATERIALS & FIXTURE AGE
ROOFING MATERIALS, AGE, TYPES
SAW CUTS, TOOL MARKS, AGE
WINDOW HARDWARE AGE
This article describes and illustrates different types of marks found on old wood boards and beams:
adze and axe marks, hand sawn lumber, mechanical pit-sawn lumber, circular saw cut marks, and modern planed or sanded smooth dimensional lumber. We include a table of modern dimensional lumber nominal and actual sizes for kiln dried and treated wood.
We include research citations assisting in understanding the history and development of the mechanically-operated reciprocating saw or a mechanical and often portable replacement for the hand-operated "pit saw".
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Below, in rough chronological order, we illustrate different types of saw and tool cut marks in wood: adze cuts, hand sawn pit saw marks, mechanically-operated pit saw marks, circular saw marks, and unmarked, planed modern dimensional lumber.
Adze cut marks in wood - hand hewn beams and planks
Table of Modern Framing Lumber Dimensions
Kiln Dried Size
(S4S - smooth)
|Pressure Treated (wet) Size (SYP) "S4" Extended Life Lumber||Rough Cut not Kiln Dried Size|
|2x2||1-1/2 x 1-1/2||Actual size in depth (width) varies +/- 1/4"||Actual size in depth (width) varies +/- 1/2"|
|2x3||1-1/2 x 2-1/4|
|2x4||1-1/2 x 3-1/2|
|2x6||1-1/2 x 5-1/2|
|2x8||1-1/2 x 7-1/4|
|2x10||1-1/2 x 9-1/4|
|2x12||1-1/2 x 11-1/2|
|4x4||3-1/2 x 3-1/2|
|6x6||5-1/2 x 5-1/2|
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