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ARCHITECTURE & BUILDING COMPONENT ID
AGE of a BUILDING - HOW to DETERMINE
ADVANCED INSPECTION METHODS
ARCHITECTURE, STYLE, & Building Age
DEFINITIONS of MOBILE HOME, DOUBLEWIDE
DEFINITIONS of MODULAR, PANELIZED CONSTRUCTION
DEFINITIONS of ENGINEERED WOOD OSB LVL etc
FLOOR, ENGINEERED WOOD, LAMINATES INSTALL
FOUNDATION MATERIALS, Age, Types
FRAMING MATERIALS, Age, Type
FRAMING METHODS, Age, Types
MOBILE HOMES, DOUBLEWIDES, TRAILERS
MODULAR HOME CONSTRUCTION
NAILS & HARDWARE, Age, Types
SAW CUTS, TOOL MARKS, AGE
STAINS on & inBUILDINGS, CAUSES & CURES
STRUCTURAL INSPECTIONS & DEFECTS
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|
Continue reading at AGE of a BUILDING - how to determine or select a topic from the More Reading links shown below.
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