Glossary, building terms, word definitions. Define Roofing Underlay

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Word: Roofing Underlay

Definition: A building paper that covers roof frame prior to the cladding being fixed. Reduces air movement and helps avoid the risk of water ingress.

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A-B-C-D-E-F-G-H I-J-K-L-M-N-O-P R-S-T-U-V-W

R
RABBET
RAFTER
RAIL
RAKE
RECTANGLE
REVEAL
RIDGE BOARD
RIP CUT
ROOFING IRON
ROOF PLANE BRACE
ROOFING UNDERLAY
ROUGH OPENING
SHED
SHEETROCK
S
SAPWOOD
SAWN

SIDING
S2S
S4S
SASH
SEALANT
SEASONING
SILICON
SILL
SLAB
SLOPE
SOFFIT
SOFFIT BOARD
SOFTWOODS
SOLE PLATE
SPAN
SPF
SPAN
SPF

SPIKE (NAIL)
SPIRIT LEVEL
SPRAG (NAIL)
SPRIG (NAIL)
SPROCKET
STILE
STRING LINE
STRAP BRACING
SURFACED LUMBER
STUD
T
T & G
TENON
TIMBER PROFILE
TOE KICK
TONGUE AND GROOVE
TOP PLATE

TREATED
TRIMMER
      U
UNDERLAY
UNDER STUD
      V
VENEER
VERTICAL
      W
WALL CLADDING
WALL PLATE
WANE
WENDY HOUSE
WIRE DOG
WOOD
WORKBENCH
WORKTABLE