MODERN CARPENTRY, SECTION 1
PREPARING TO BUILD, UNIT 1
BUILDING MATERIALS QUESTIONS AND
ANSWERS
-dans-Wooddthatdisdcutdintodpiecesduniformdindthickness,dwidth,danddlength
Lumberdincludes...d-dans-Boardsduseddfordflooring,dsheathing,dpaneling,danddtrim.
Dimensiondlumberduseddfordsills,dplates,dstuds,djoists,drafters,danddotherdframing
dmembers.
Timbersduseddfordposts,dbeams,danddheavydstringers.
Numerousdspecialityditems.
Wooddisdmadedupdofdlongdnarrowdtubesdordcellsdcalled...d-dans-
Fibersdordtracheids
Tinydstrandsdofd________________________dmakedupdcelldwalls.d-dans-
Cellulose
Thedcellsdaredhelddtogetherdwithdadnaturaldcementdcalled...d-dans-Lignin
Thedgrowingdpartsdofdadtreedare:d-dans-Thedtipsdofdthedroots.
Thedleaves.
Adlayerdofdcellsdjustdinsidedthedbark.
Thedlayerdofdcellsdjustdinsidedthedbarkdofdthedtree.d-dans-Cambium
PREPARING TO BUILD, UNIT 1
BUILDING MATERIALS QUESTIONS AND
ANSWERS
-dans-Wooddthatdisdcutdintodpiecesduniformdindthickness,dwidth,danddlength
Lumberdincludes...d-dans-Boardsduseddfordflooring,dsheathing,dpaneling,danddtrim.
Dimensiondlumberduseddfordsills,dplates,dstuds,djoists,drafters,danddotherdframing
dmembers.
Timbersduseddfordposts,dbeams,danddheavydstringers.
Numerousdspecialityditems.
Wooddisdmadedupdofdlongdnarrowdtubesdordcellsdcalled...d-dans-
Fibersdordtracheids
Tinydstrandsdofd________________________dmakedupdcelldwalls.d-dans-
Cellulose
Thedcellsdaredhelddtogetherdwithdadnaturaldcementdcalled...d-dans-Lignin
Thedgrowingdpartsdofdadtreedare:d-dans-Thedtipsdofdthedroots.
Thedleaves.
Adlayerdofdcellsdjustdinsidedthedbark.
Thedlayerdofdcellsdjustdinsidedthedbarkdofdthedtree.d-dans-Cambium