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Buffalo Lumber Company, Inc., Lumber - Retail, Woodbury, TN

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Redwood Siding Patterns

Lumber grading rules are a set of criteria used to determine how various characteristics, such as wane or knots, affect the structural performance of dimension lumber or the aesthetic value of Appearance Grades. Lumber manufacturers are responsible for grading the lumber to these rules and RIS, as part of the American Lumber Standards system, helps assure that Redwood lumber meet stated product quality standards.
The Redwood Inspection Service (RIS) is exclusively authorized by the American Lumber Standard Committee to formulate grading rules for redwood lumber established in accordance with Product Standard 20-94, the American Softwood Standard, issued by the U.S. Department of Commerce. RIS, a division of the California Redwood Association (CRA), publishes and maintains the Standard Specifications for California Redwood Lumber Grades.
BUYER BEWARE WARNING: The pattern measurements below are CRA industry standards. HOWEVER individual mills often have their own pattern standards which vary from the norm (usually smaller). When you get ready to buy be sure to ASK for the exposed width to make sure you are buying enough SQFT of Redwood Siding to complete the job!


Redwood "LAP" Siding Pattern Diagrams

Helpful Pattern Glossary
(1) SHIPLAP Patterns 761-763 one inch S2S
Redwood SHIPLAP Pattern 761-763

(2) COVE/GERMAN/DUTCH LAP Patterns 770-772 one inch S2S
Redwood COVE/GERMAN/DUTCH LAP Patterns 770-772

(3) CHANNEL LAP Patterns 774-776 One inch reveal square channel S2S
Redwood CHANNEL LAP Patterns 774-776

(4) CHANNEL LAP Pattern 773 One & 1/2 inch reveal beveled channel S2S
Redwood CHANNEL LAP Pattern 773

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Redwood BEVEL Siding and Paneling Pattern Diagrams

Helpful Pattern Glossary
(1) Bevel Patterns 320-323R 1/2 inch Rabbeted Resawn S1S2E
Redwood Bevel Pattern 320

(2) Bevel Patterns 329-331R 3/4 inch Plain Saw Textured S1S2E
Redwood Bevel Pattern 329

(3) Bevel Patterns 360-363 1/2 inch Plain Saw Textured S1S2E
Redwood Bevel Pattern 360

(4) Bevel Patterns 371-373 3/4th inch Rabbeted Resawn S1S2E
Redwood Bevel Pattern 371

(5) Bevel Patterns 391-393 3/4th inch Rabbeted Saw Textured S1S2E
Redwood Bevel Pattern 391

(6) Bevel Patterns 422-424 1 1/4 inch Plain Saw Textured S1S2E
Redwood Bevel Pattern 422

(7) Bevel Patterns 476-477 1 1/4 inch Rabbeted Saw Textured S1S2E
Redwood Bevel Pattern 476

(8) Bevel Pattern 400 1/2" x 4 inch Rabbeted Round Edge S1S2E
Redwood Bevel Pattern 400

(9) Bevel Pattern 430 1x6 inch 2 Lap Round Edge Drop S1S2E
Redwood Bevel pattern 430

(10) Bevel Pattern 431 1x8 inch 2 Lap Round Edge Drop S1S2E
Redwood Bevel pattern 431

(11) Bevel Pattern 433 1x10 inch 3 Lap Round Edge Drop S1S2E
Redwood Bevel pattern 433

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Redwood T&G Siding and Paneling Pattern Diagrams

Helpful Pattern Glossary
(1) T&G Patterns 204-206 5-8-inch V1S-S2S 3-32-V
Redwood T&G Patterns 204-206

(2) T&G Patterns 709-713 1-inch V1S-S2S 1-4-V
Redwood T&G Patterns 709-713

(3) T&G Patterns 707-716 1-inch V1S-S2S 3-32-V
Redwood T&G Patterns 707-716

(4) T&G Patterns 709-713R 1-inch V2S-S1S-Saw-1S 1-4-V
Redwood T&G Patterns 709-713R

(5) T&G Patterns 707-716R 1-inch V2S-S1S-Saw-1S 3-32-V
Redwood T&G Patterns 707-716R

(6) T&G Patterns 732-734R 1-inch V2S-S1S-Saw-1S 1-4-V
Redwood T&G Patterns 732-734R

(7) T&G Patterns 726-728R 1-inch V2S-S1S-Saw-1S 1-8-V
Redwood T&G Pattern 726-728R

(8) T&G Patterns 632-634 1-inch S2S-CM
Redwood T&G Pattern 632-634

(9) T&G Patterns 632-634EE 1-inch EE S2S-CM
Redwood T&G Patterns 632-634EE

(10) T&G Patterns 616-617 1-inch V&CV-S2S 1-4-V
Redwood T&G T&G Patterns 616-617

(11) T&G Pattern 606 1-inch S2S
Redwood T&G Pattern 606

(12) T&G Patterns 16-18 1-inch S2S-CM paneling
Redwood T&G Patterns 16-18


CAL Redwood Siding Patterns PDF
CRA Redwood Siding & Paneling Patterns
Complete Guide PDF


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Pattern Glossary

  BEV   Beveled
  BEV   SDG Beveled siding
  BS   Both sides
  CB   Center Beaded
  CB1S   Center bead one side
  CB2S   Center bead two sides
  CG   Center groove
  CG2E   Center groove two edges
  CLG   Ceiling
  CM   Center matched
  CS   Caulking seam
  CSG   Casing
  CV   Center Vee
  CV1S   Center vee one side
  CV2S   Center vee two sides
  D2S   Dressed two sides
  D4S   Dressed four sides
  DB   CLG Double-beaded ceiling
  DB   PART Double-beaded partition
  DBL   T&G Double tongued & grooved
  D&CM   Dressed & center matched
  DKG   Decking
  D/S,DS   Drop Siding
  D   S/L Double shiplap
  DVJM   Double vee-jointed matching
  D&M   Dressed and matched
  E   Edge
  EB1S   Edge bead one side
  EB2S   Edge bead two sides
  E&CB2S   Edge & center bead two sides
  EV1S   Edge vee one side
  EV2S   Edge vee two sides
  E&CV1S   Edge & center vee one side
  E&CV2S   Edge & center vee two sides
  EE   Eased Edges
  EG   Edge (vertical) grain
  EM   End matched
  EV   Edge vee
  FE   Feathered edge
  FG   Flat (slash) grain
  FLG   Flooring
  F&G   Feathered & grooved
  G1E   Grooved one edge
  HB   Hollow back
  MG   Mixed Grain
  N   Nosed
  N1E   Nosed one edge
  N2E   Nosed two edges
  OS   One side
  PAT   Pattern
  P1E   Planed one edge
  P2E   Planed two edges
  P1S   Planed one side
  P2S   Planed two sides
  P4S   Planed four sides
  P1S1E   Planed one side one edge
  P2S1E   Planed two sides one edge
  P1S2E   Planed one side two edges
  PAR   Planed all 'round
  PART   Partition
  PE   Planed edge
  PPE   Planed plain edge
  PSE   Planed square edge
  PSJ   Planed and square jointed
  PTG   Planed tongued and grooved
  R&B   Rabbet & bead
  R/F   Resawn/Rough Face
  Rabbeted   Bevel siding with rabbet (notched cut) on bottom edge
  S   Side, Surfaced
  SB1S   Single bead one side
  SDG   Siding
  SG   Slash (flat) grain
  S/L,   or SL Shiplap
  SQ   Square
  STPG   Stepping
  S&E   Side & edge (surfaced on)
  S1E   Surfaced one edge
  S2E   Surfaced two edges
  S1S   Surfaced one side
  S2S   Surfaced two sides
  S4S   Surfaced four sides
  S1S&CM   Surfaced one side & center matched
  S2S&CM   Surfaced two sides & center matched
  S4S&CS   Surfaced four sides & caulking seam
  S1S1E   Surfaced one side one edge
  S1S2E   Surfaced one side two edges
  S2S1E   Surfaced two sides one edge
  S4SEE   Surfaced four sides eased edges
  T&G   Tongued and grooved
  TG&B   Tongued, grooved, and beaded
  TG&V   Tongued, grooved, and vee-jointed
  T1E   Tongued one edge
  UE   Unedged
  V2E   Beveled V on two Edges
  V4E   Beveled V on four Edges
  VG   Vertical grain
  VJM   Vee-joint matching


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