DUR-O-WAL LADUR TYPE - Construction Midwest

1 DUR-O-WAL LADUR TypeProduct Information/Submittal SheetDUR-O-WAL LADUR TYPEP roduct Description LADUR type is a prefabricated reinforcement especiallydesigned for embedment in the horizontal mortar joints ofmasonry. Manufactured in 10 ft. 8 in. lengths at 16 on Type consists of two or more parallel, longitudinal rodsweld-connected to perpendicular cross rods to form a ladderdesign. The cross rods are electrically butt welded todeformed side rods in a single at least one longi-tudinal side rod for each bed spacing ofthe side rods is approximately 2 inches less than the nominalthickness of the wall or wythe in which the reinforcement isplaced.

2 DUR-O-WAL truss is manufactured in accordance withUniform Building Code Standard UBC 21-10 and ACI530/ASCE 6/TMS 402 Building Code Requirements forMasonry Uses DUR-O-WAL LADUR Type reinforcement can be used in a num-ber of applications to improve the performance of masonrywalls. Some are: To control shrinkage cracking To provide principal horizontal reinforcement in engineered masonry walls To bond masonry wythes together in composite and cavity walls. To bond intersecting walls. To bond masonry wythes together in multiple wythe grouted DUR-O-WAL recommends mill galvanized (.)

3 10 oz. psf) for interior applications.* DUR-O-WAL recommends hot dipped galvanized ( ) for exterior applications. Also available in Class 1, Class 3 or stainless steel. Check local building code for specification. DUR-O-WAL does not recommend epoxy coating.* Interior application where high moisture content is involved (locker rooms, food centers) hot dip galvanized Tests show that continuous reinforcement improves the perfor-mance of walls by providing: Greater elasticity Higher ductility Better resistance to rain penetration Increased horizontal flexual strengthSpecifications All DUR-O-WAL wire products are made with wire conform-ing to the ASTM STANDARD SPECIFICATION for COLDDRAWN STEEL for CONCRETE REINFORCEMENT,ASTM A82 and ASTM STAINLESS STEEL material conforms toASTM STANDARD SPECIFICATIONS A580.

4 TYPE and Placement Place joint reinforcement directly on masonry and placemortar over wire to form bed Side rods should be lapped 6 at splices in order to provideadequate continuity of the reinforcement when subjected tonormal shrinkage stresses.* Minimum ounces of zinc coating per square foot of uncoated wire surface1 BOCA and SBCC Codes allow this finish for interior Basic wire acquires rust in warehousing, transit, and job site storage. Therefore, DUR-O-WAL does not assume any responsibility for rusted material.** Specify and insist on DUR-O-WAL !

5 DUR-O-WAL will certify on request that its hot dip galvanized (ASTM A153) product will have a minimum of oz. of zinc per square foot-33% more corrosion protection than minimum standard LADUR TYPE More economy Crack Control Butt welded single plane Construction High bond with deformed side wiresReference SpecificationsFinishCoating*ASTM A82 (for cold drawn steel wire)Brite Basic2uncoatedRegular Mill Galvanized ASTM A 6411 Mill Galvanized ounce zinc coatingASTM A641-Class 1 Mill Galvanized ounce zinc coatingASTM A641-Class 3 Mill Galvanized ounce zinc coatingASTM A153-Class B-2**Hot ounce zinc coatingCustomer Service Aurora, IL (800) 323-0090 Folcroft, PA (800) 368-2035 Birmingham, AL (800) 821-9296 Phoenix, AZ (800)

6 235-0024 Technical Service Email: Fax-On-Demand: (800) 254-8958 DUR-O-WAL LADUR TypeWarranty Seller makes no warranty of any kind, express or implied, except thatthe goods sold under this agreement shall be of the standardquality of seller, and buyer assumes all risk and liability resulting fromthe use of the goods, whether used singly or in combination withother goods. Seller neither assumes nor authorizes any person toassume for seller any other liability in connection with the sale or useof the goods sold, and there is no oral agreement or warrantycollateral to or affecting this The information contained in this publication does not constitute anyprofessional opinion or judgement and should not be used as asubstitute for competent professional determinations.

7 Each constructionproject is unique and the appropriate use of this product is theresponsibility of the engineers, architects and other professionalswho are familiar with the specific requirements of the Corners and Tees A complete line of prefabricated corner and tee sections areavailable in all design types and finishes. It is necessary todesignate corners as inside or outside when using Trirod orDouble design Information DUR-O-WAL LADUR type joint reinforcement may be consideredas part of the required minimum horizontal many cases, the minimum steel requirement can be satisfiedentirely by the use of DUR-O-WAL .

8 In others, the use of DUR-O-WAL will reduce the amount of steel required in bondbeams so as to meet code requirements. It should be notedhowever, that the codes also require sufficient steel reinforce-ment to resist all live and dead loads imposed upon the struc-ture. But even when more than the minimum steel is required,the use of DUR-O-WAL joint reinforcement as a part of thissteel will reduce the number of bond beams needed.*See DUR-O-WAL publications; Reinforcing Masonry Walls with joint Reinforcement, A Design Aid, Bulletin 83-7 and Building ReinforcedMasonry Walls with Joint Reinforcement, Bulletin 84-10. Reinforcing Shear Walls with joint Reinforcement, Bulletin 85-12R.

9 For informationon the use of DUR-O-WAL to resist horizontal bending, see Bulletin 7/03 DUR-O-WAL LADUR TYPEMINIMUM AREA OF HORIZONTAL STEEL REQUIRED TO SATISFY CODE REQUIREMENTSN ominal Wall Thickness (in)4 6 8 10 12 14 16 18 20 22 24 Gross Area in2 area of steel in2 x Gross AreaHorizontal ,198 Required in2/ft*Compare area of steel required with area supplied by DUR-O-WAL FOR BOND BEAM AT TOP OF 8 & 12 CM WALLSWHEN DUR-O-WAL LADUR IS USED* LADUR Type8 Wall12 WallSpacing8 12 16 20 24 8 12 16 20 24 STDL adur8 #41#51#51#52#41#61#71#82#71#109 #41#71#82#62#71#72#62#72#82#9 MediumLadur8 #31#31#41#41#42#41#71#82#61#98 #51#61#71#82#61#72#62#72#82#9 Extra HeavyLadur8 #31#31#32#31#31331#51#51#61#73/16 16 #31#51#61#72#51#71#82#72#72#8 AREA OF STEEL SUPPLIED BY DUR-O-WAL LADUR TYPE REINFORCEMENT in2/ftVertical Spacing2-#9 Side Rods2-#8 Side Rods2-3/16 Side Rods4-#9 Side Rods4-#8 Side Rods4-3/16 Side Rods8.

10 And Services Centers 625 Crane StreetAurora, IL 60505(800) 323-0090 Fax: (630) 898-13783 Horne DriveFolcroft, PA 19032(800) 368-2035 Fax: (610) 534-72061401 Meadowcraft RoadBirmingham, AL 35215(800) 821-9296 Fax: (205) 856-09654810 South 40th Street, Suite 3 Phoenix, Arizona 85040(800) 235-0024 Fax: 602-431-9667