LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 1 ® ® Safety Guide & Assembly Instructions Featured Components (purchase separately): PS 7836 PS 8876 PS 8840 Gold Design Option Shown PS 8876 PS 8814 PS 7690 (2) PS 8850 PS 7956 Featured Components (purchase separately): Featured Components (purchase separately): PS 7836 PS 8876 PS 8876 PS 8814 PS 7690 PS 7836 PS 8860 PS 7956 PS 8876 PS 7676 We’re Here To Help! PS 7676 PS 7952 PS 8813 PS 7690 PS 8872 Featured Compon
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 2 SAFETY • Follow the instructions provided, do not alter its design in any way. • This product is intended for single-family residential use only, by children ages two to ten and a maximum weight of 105 pounds. Any recommendation over 10 years of age or 105 pounds exceeds the upper limits specified in the American Society for Testing and Materials (ASTM) Home Playground Safety Standard.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 3 SAFETY INSTALLATION: 1. Follow the instructions provided, do not alter its design in any way. 2. Place the playset on level ground, not less than 6' (1.8m) from any structure or obstruction such as a fence, garage, house, overhanging branches, laundry lines or electrical wires. If the area where you will be installing your playset is not level, you must make it level. 3. Playsets must be anchored to the ground.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 4 COMPONENTS INCLUDED (not actual size) Sturdy Frame Brkts.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 5 BOARDS INCLUDED Before starting to assemble your playset, make sure all boards and hardware are identified and stacked by size. This will improve your assembly time. All boards are identified by “nominal” dimensions. The “actual” width and thickness of boards will vary. During assembly process, hide the marked end of the board to the inside so it is not visible on your completed playset.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 6 BOARDS INCLUDED All boards are identified by “nominal” dimensions. The “actual” width and thickness of boards will vary. During assembly process, hide the marked end of the board to the inside so it is not visible on your completed playset.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 7 TEMPLATE and DRILLING INSTRUCTIONS Your building kit includes a Drill Template and an Assembly Tool Kit to help you create some of the pilot holes needed to build your playset. Set the drill bit depth in the ¹ ₈" drill bit/countersink tool to the thickness of the board. Position the template and mark only the holes that need to be drilled according to the patterns shown below. Remove the template before drilling.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 8 PLEASE NOTE E (Letters represent pattern not position) 2" x 4" D Patterns D and E can be created anywhere along the board by turning the template over (arrow side up) and sliding it to the desired position. Use the shaded holes for that pattern. 1" x 4" or 2" x 4" H Pattern F G J and K can be created anywhere along the board by turning the template over (arrow side up) and sliding it to the desired position.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 9 ATTACHING CORNER BRACKETS There are several steps in the assembly of your playset when you will be asked to attach “corner brackets”. Please review these diagrams to understand where to place the brackets, how to attach them, and what hardware to use. POSITIONING THE BRACKETS: The “corner bracket” has one long side and one short side.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 10 TOWER ASSEMBLY On a flat work surface, lay out two 2" x 4" x 88" boards 38³ ₄" apart. Measure and mark both boards at dimensions shown. Items for STEP 1: (4) (4) (2) (24) 2" x 4" x 88" boards 2" x 4" x 38³ ₄" boards 2" x 4" x 62¹ ₂" boards #8 x 2¹⁄₂" deck screws x 2" Attach two 2" x 4" x 38³ ₄" boards and one 2" x 4" x 62¹ ₂"" board as shown. Make sure the assembly remains square while securing with #8 x 2¹⁄₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 11 Items for STEP 3: (8) (32) (8) (6) (2) (30) (14) Corner Brackets #8 x 1¹ ₄" deck screws ³ ₈" x 3¹ ₂" hex bolts ³ ₈" x 2" hex bolts ³ ₈" x 1¹ ₂" lag screw ³ ₈" washers ³ ₈" lock nuts Lift tower assembly upright and position in desired location. Caution: Ground must be level. Installation on a hill or incline will create unsafe conditions. x 2" x 4" ³|₄ 38 " 6 5 Attach corner brackets.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 12 Items for STEP 4: (1) 2" x 4" x 58¹⁄₂" board (4) #8 x 2¹ ₂" deck screws Predrill the 2" x 4" x 38³ ₄" boards at the dimension shown. D Center the 2" x 4" x 58¹⁄₂" board behind the holes and flush with the top of the 2" x 4" x 38³ ₄" boards. Secure with #8 x 2¹ ₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:49 AM Page 13 Items for STEP 6: (2) 2" x 4" x 88" boards (2) 2" x 4" x 44¹ ₄" boards (36) #8 x 2¹⁄₂" deck screws Attach two 2" x 4" x 88" boards at dimensions shown. Secure with #8 x 2¹⁄₂" deck screws. Attach two 2" x 4" x 44¹ ₄" boards at dimensions shown. Secure with #8 x 2¹⁄₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 14 Items for STEP 7: (2) 2" x 4" x 33³ ₄" boards (1) 2" x 4" x 38³ ₄" board (16) #8 x 2¹ ₂" deck screws Attach one 2" x 4" x 38³ ₄" board at the dimension shown. Secure with #8 x 2¹⁄₂" deck screws. Attach two 2" x 4" x 33³ ₄" boards at the dimension shown. Secure with #8 x 2¹⁄₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 15 Items for STEP 8: A Tight G Attach two pre-drilled and countersank 1" x 4" x 44" boards tight against the sides of the 2" x 4" x 88" boards previously installed as shown. The 1" x 4" x 44" boards should be flush with the top of the tower. Secure each board with #8 x 1¹⁄₂" deck screws. Do not over tighten the screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 16 Items for STEP 10: (1) 1" x 6" x 27¹⁄₄" - Arched board (2) 1" x 6" x 27¹⁄₄" boards (1) 1" x 4" x 33" board (6) #8 x 1¹ ₂" deck screws (2) #8 x 1¹ ₄" deck screws K 1" x 6" x K 1" x Attach one pre-drilled and counter-sank 1" x 6" x 27¹⁄₄" Arched board, flush with the top edge of tower and tight against the sides of the 2" x 4" x 88" boards previously installed as shown. Secure with #8 x 1¹⁄₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 17 SWING BEAM ASSEMBLY Items for STEP 12: (6) 2" x 4" x 88" boards (48) #8 x 2¹ ₂" deck screws 0" 13¹|4" 13¹|4" Mark & Drill 3 Boards as shown 25¹|2" 12¹|4" A 37³|₄" 12¹|4" D 50" D 12¹|4" 62¹|4" 12¹|4" D 74¹|2" 12¹|4" D Assemble swing posts (3 required). D Place one drilled 2" x 4" x 88" board on top of a non-drilled 2" x 4" x 88" board. Make sure boards are flush with each other.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 18 Items for STEP 13: (3) (2) (1) (6) (6) (12) (6) Step 12 Assemblies Right-hand Sturdy-frame Brackets Left-hand Sturdy-frame Bracket #8 x 1¹ ₄" deck screws ³ ₈" x 3¹ ₂" hex bolts ³ ₈" washers ³ ₈" lock nuts Attach two right-hand (R) and one left-hand (L) sturdy-frame brackets onto separate swing post assemblies (brackets are stamped R and L). Use the bracket as a drill guide and drill two ¹ ₈" holes 1" deep into the posts.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 19 Items for STEP 14: (2) ³ ₈" x ³ ₄" hex bolts (2) ³ ₈" lock nuts Mate one right-hand bracket assembly to one left-hand bracket assembly as shown. Secure with two ³ ₈" x ³ ₄" hex bolts and ³ ₈" lock nuts through the two lower holes of brackets as shown (do not use flat washers).
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 20 Items for STEP 16: (1) 2" x 4" x 46³⁄₄" board (4) #8 x 2¹⁄₂" deck screws Position assembly as shown. Align the posts so that the outermost points measure 84³⁄₄" as shown. Attach 2" x 4" x 46³⁄₄" board at dimension shown. Secure with #8 x 2¹ ₂" deck screws. 41³|₄" A Note: Brackets are facing down.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 21 Items for STEP 17: (2) (8) (2) (2) (8) (4) corner brackets #8 x 1¹ ₄" screws ³ ₈" x 3¹ ₂" hex bolts ³ ₈" x 2" hex bolts ³ ₈" washers ³ ₈" lock nuts Attach corner brackets. To complete the A-Frame Assembly, flip over as shown and position brackets so that the short side is against the 2" x 4" x 46³⁄₄" board. Use the bracket as a drill guide and drill ¹ ₈" holes 1" deep into the board. Attach with #8 x 1¹ ₄" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 22 You have the option at this step to extend your 8' Swing Station to 10' and add one more swing activity of your choice. However, it must be installed now! During original construction! STOP Purchase additional swing hangers and activities separately. Turn to page 26 for the 10' Swing Station Assembly or proceed to the 8' Swing Station Assembly below and discard the two extra 2" x 6" x 35⁷ ₈" boards.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 23 Items for STEP 19: (1) 2" x 6" x 88" board (8) #8 x 2¹ ₂" deck screws Predrill the 2" x 6" x 88" beam board at the dimension shown. (See Page 8 “How To Use Your Drill Template For Drill Holes” for details.) Attach the drilled 2" x 6" x 88" on top of the existing 2" x 6" x 88". Make sure board is flush with bottom board. Secure boards together with #8 x 2¹ ₂" screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 24 Items for STEP 20: (5) ³ ₈" x 3¹ ₂" hex bolts (10) ³ ₈" washers (5) ³ ₈" lock nuts Lift swing beam assembly and support with saw horses. Note: If you do not have saw horses, rest beam on ground and rotate A-frame and single post simultaneously to the other side (requires two adults). Single post must be supported to keep the bracket from bending. Complete and rotate back to original position.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 25 Items for STEP 21: (4) swing hangers (4) ³ ₈" x 3" lag screws (4) ³ ₈" washers Mark the top beam board, on the bottom edge, at the dimensions shown, for swing hanger locations. Drill a ¹ ₄" hole 2¹ ₂" deep in the center of the top board at each swing hanger location. Screw swing hangers into beam by hand (a long screwdriver will help).
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 26 10' Swing Station Assembly Items for STEP 18: (1) 2" x 6" x 88" board (1) 2" x 6" x 35⁷ ₈" board (4) #8 x 1¹ ₄" deck screws Lay out the single post assembly and the A-Frame assembly approximately 92¹ ₂" apart. Use remaining unused boards to elevate approximately 3". Use brackets as a drill guide and drill ¹ ₈" holes 1" deep into the beam and attach with #8 x 1¹ ₄" deck screws as shown.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 27 Items for STEP 19: (1) 2" x 6" x 88" board (1) 2" x 6" x 35⁷ ₈" board (16) #8 x 2¹ ₂" deck screws Predrill the 2" x 6" x 88" and 2" x 6" x 35⁷ ₈" beam boards at the dimension shown. (See Pages 7 & 8 “How To Use Your Drill Template For Drill Holes” for details.) Attach the drilled 2" x 6" x 88" and 2" x 6" x 35⁷ ₈" board on top of the existing assembly as shown. Make sure boards are flush with bottom board.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 28 Items for STEP 20: (5) ³ ₈" x 3¹ ₂" hex bolts (10) ³ ₈" washers (5) ³ ₈" lock nuts Lift swing beam assembly and support with saw horses. Note: If you do not have saw horses, rest beam on ground and rotate A-frame and single post simultaneously to the other side (requires two adults). Single post must be supported to keep the bracket from bending. Complete and rotate back to original position.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 29 Items for STEP 21: (6) swing hangers (6) ³ ₈" x 3" lag screws (6) ³ ₈" washers Mark the top beam board, on the bottom edge, at the dimensions shown, for swing hanger locations. NOTE: If you are installing the Bronco Rider, follow the installation instructions that are supplied with the Bronco Rider. Drill a ¹ ₄" hole 2¹ ₂" deep in the center of the bottom board at each swing hanger location.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 30 CONNECT TOWER AND SWING BEAM Items for STEP 22: (1) ³ ₈" x 4¹ ₂" bolt (2) ³ ₈" washers (1) ³ ₈" lock nut On the post of tower assembly where the beam will be attached, measure and mark hole location (7" down and 1⁵ ₈" from edge) as shown. (Fig. 1) Drill a ³ ₈" hole completely through the board.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 31 Items for STEP 23: (1) (2) (4) (8) (1) (3) (8) (4) 2" x 4" x 28" board corner brackets #8 x 2¹ ₂" deck screws #8 x 1¹ ₄" deck screws ³ ₈" x 3¹ ₂" hex bolt ³ ₈" x 2" hex bolts ³ ₈" washers ³ ₈" lock nuts Position 2" x 4" x 28" board approximately 34³ ₄" up from bottom of tower flush with the tower and swing beam posts as shown. Attach with #8 x 2¹ ₂" deck screws. Attach corner brackets.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 32 If you purchased the optional Adventure Tunnel Kit (PS 8876) it must be installed now. STOP Follow the building instructions included with the Adventure Tunnel Kit. Then continue with these Instructions on page 36. If you are not installing the Adventure Tunnel Kit, proceed with the instructions below.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 33 Items for STEP 25: (2) (4) (2) (4) (2) 2" x 4" x 46³ ₄" boards #8 x 1¹ ₄" deck screws ³ ₈" x 2" hex bolts ³ ₈" washers ³ ₈" lock nuts Attach two 2" x 4" x 46³ ₄" boards to corner brackets as shown. Bottom corner of board must rest on the ground and the top corner of board must be flush with the back side of 2" x 4" x 88" boards.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 34 Items for STEP 26: (1) 2" x 4" x 46³ ₄" board (2) 1" x 4" x 21⁷ ₁₆" boards (12) #8 x 1¹ ₂" deck screws Attach two pre-drilled and counter-sank 1" x 4" x 21⁷ ₁₆" boards as shown. Secure each board with #8 x 1¹⁄₂" deck screws. Do not over tighten the screws. Center the 2" x 4" x 46³ ₄" board behind and flush with the top board as shown. Secure with #8 x 1¹ ₂" deck screws. Center the 2" x 4" x 46³ ₄" board behind bottom board as shown.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 35 Items for STEP 27: (12) 1" x 4" x 21⁷⁄₁₆" boards (72) #8 x 1¹ ₂" deck screws Attach twelve pre-drilled and counter-sank 1" x 4" x 21⁷ ₁₆" boards in between the two boards you attached in the previous step. Start at the top and keep boards tight to each other. Secure with #8 x 1¹⁄₂" deck screws. Do not over tighten the screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 36 Items for STEP 28: (2) 2" x 4" x 58¹⁄₂" boards (2) 2" x 4" x 33³ ₄" boards (16) #8 x 2¹ ₂" deck screws Attach two 2" x 4" x 33³ ₄" boards centered in the tower as shown. Secure with #8 x 2¹⁄₂" deck screws. 2" x 4" x 333|4" Attach two 2" x 4" x 58¹⁄₂" boards as shown. Secure with #8 x 2¹⁄₂" deck screws.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 37 STOP If you purchased the optional Climbing Bar Kit (PS 7766) it must be installed now. Follow the building instructions included with the Climbing Bar Kit, then continue with these instructions below. If you are not installing the Climbing Bar Kit, proceed with these instructions. Items for STEP 29: (1) 2" x 4" x 62¹⁄₂" board (1) 2" x 4" x 38³⁄₄" board (16) #8 x 2¹ ₂" deck screws 2⁵|₈" D Attach the 2" x 4" x 62¹⁄₂" board.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 38 Items for STEP 30: (1) Tarp roof (10) snap screws Align end of tarp (with the five snaps) approximately 1³ ₄" from the bottom edge of the 2" x 4" 58¹ ₂" board and pull outermost edges into position as shown. (Fig.1) Using a pencil, identify and mark each snap location center (should be approximately 2¹ ₄" from the bottom edge of the 2" x 4" 58¹ ₂" board). Drill ¹ ₈" hole ¹ ₈" deep in the center of the marked locations.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 39 STURDY-FRAME BRACE INSTALLATION STEP 31: Remove the top ³⁄₈" x 3¹⁄₂" hex bolt, washers and lock nut from the post support as shown. (Save these parts because they will be used in the next step.) ³⁄₈" x 3¹⁄₂" hex bolt NOTE: It is easiest to remove this bolt by continuing to rotate in a counterclockwise direction.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 40 ANCHORING Items for STEP 34: (7) Playset Anchors (7) ³ ₈" x 1¹ ₂" lag screws (7) ³ ₈" washers At locations shown screw Playset Anchors into ground by hand (a long screwdriver will help). Use the anchor as a drill guide and drill a ¹⁄₄" hole 1" deep into the board. Attach with ³ ₈" x 1¹ ₂" lag screw and ³ ₈" washer. Note: If soil conditions permit anchors to be pulled out easily, such as in sandy soil conditions, cementing is required.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 41 COMPONENTS – Mounting Instructions SWING SEAT • GYM RINGS 1. Attach coated ends of chains onto play component using Quick-Link Connectors provided. Tighten securely with an adjustable wrench. Adjustment Zone 2. Hook uncoated ends of chain onto Swing Hangers provided. 3. Customize the height of your swing or gym rings anywhere in the Adjustment Zone, to fit your child.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 42 SLIDE – Mounting Instructions Scoop Slide - PS 8813, Scoop Wave Slide - PS 8814 1. Align slide at right angle (90˚) to 48" play deck. Lip of slide should rest on the play deck 1¹ ₂". Using the slide as a template, mark play deck through the three holes in the slide. Drill three ¹/₈" holes at marked location. 2. Attach slide temporarily to play deck with three #14 x 1¹/₄" pan head screws provided. 3.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 43 CLIMBING BARS – Mounting Instructions Items for this STEP 1: B (1) 2" x 4" x 28" board (6) #8 x 2¹ ₂" deck screws 2" x From the inside of tower attach 2" x 4" x 28" board at dimension shown. Secure with #8 x 2¹ ₂" deck screws. 4" x 28 " B 411/2" SEE PAGE 7 FOR HOLE PATTERNS Items for this STEP 2: (5) Climbing Bars (20) #14 x 1¹ ₄" pan head screws Attach Climbing Bars at dimensions shown.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 44 PICNIC TABLE – Mounting Instructions Items for this STEP: (4) (4) (16) (12) (12) 2" x 6" x 35⁷ ₈" boards Picnic Table Brackets #8 x 1¹ ₄" deck screws ³ ₈" x 1¹ ₂" lag screws ³ ₈" washers 2" x 6" x 35⁷|₈" (4) 14¹|₄" 25¹|₄" Position brackets at dimensions shown with edge flush with the side of 2" x 4". Use the indentations in the bracket as a drill guide and drill three ¹⁄₄" holes through the bracket 1" deep into the board.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 45 ARCH CLIMBER – Mounting Instructions ARCH CLIMBER (PS 8872) 1. Place top end of the Arch Climber on top of the mounting board. Using the Arch Climber as a template, mark the mounting board through the four holes in the Arch Climber. Drill four ¹⁄₈" holes 1" deep at the marked locations. help.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:50 AM Page 46 CLIMBING WALL – Assembly Instructions 1. Align top of Climbing Wall at right angle 90˚). Lip of climbing wall should rest on the play deck 1¹ ₂". Using the Climbing Wall as a template, mark play deck through the three holes in the climbing wall. Drill three ¹⁄₈" holes at marked locations. (Fig. 1) 2. Attach Climbing Wall temporarily to play deck with three #14 x 1¹⁄₄" pan head screws provided. 3.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:51 AM Page 47 CLIMBING STEPS – Assembly Instructions 1. Place the left (L) step side rail on a flat work surface. Insert one 2" x 6" x 21" top step into the top hole. 3. Insert the right (R) step side rail on top of the existing boards until the standard boards are flush with the outside of the side rail. (Fig. 2) Note: This hole does not go completely through the side rail. 2.
LT 6442 R5 Legend Instr_AS Instructions '04 R1 1/7/11 11:51 AM Page 48 IMPORTANT – PLEASE READ Thank You for choosing PlayStar. Because it is our intention to make this a positive family experience, we have taken great care in preparing this product. All boards have been properly dried, thoroughly inspected for quality and dimensionally correct prior to packaging. Occasionally a piece of lumber may develop a slight twist or bow due to changing humidity levels during transportation or storage.
