Wind brace band tensioning system BL-WRB
Hinge for wind bracing system
BL-WRB-ANCOR-PLATE-BUTERFLY-60MM
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Steel, blue galvanised
Application:
- For wind brace bands AT of widths 40 and 60 mm
- For rafters with widths between 60 and 100 mm
Benefits:
- Clip-on locking system for quick and easy assembly
- Easy to install even in cold weather
- Large range
- Easy retightening
- Simple measurement
- Approval of the ASSY 3.0 joist hanger screw for hardwood in accordance with ETA-11/0190 means it is also ideal for refurbishments.
Combinable components:
- Clip for connecting the ends of two wind brace bands
- Tensioner for use between two bands or for connecting to the anchor plate
- Anchor plate connection not suitable for tensioning
- Anchor plate for connecting to the rafter (60–100 mm)
- Butterfly for connecting both sides of the wind brace band (rafter width 60, 80 or 100 mm)
The ETA-15/0043 and ETA-11/0190 specifications must be observed.
Available work documents:
Load tables and detailed processing instructions can be found on the service page www.wuerth.de/holzverbinder.
Datasheets(X)
Correct, rapid installation of wind bracing in roofs or wall elements, using wind brace bands.
- Attachment of anchor plates to rafter with 6 + 6 ASSY 3.0 joist hanger screws, 5 x 40 mm.
- Assembly of wind brace band connections on anchor plates (1 clamping device and 1 anchor plate connection per strut).
- Laying of wind brace band AT in the connection device and fastening of the securing flaps.
- Clamping of the wind brace band by shortening the clamping device by turning the metric screw.
 | |
Suitable for band width | 40 mm |
Connection type | Bolt |
Width | 175 mm |
Length | 230 mm |
Height | 45 mm |
Suitable for rafter | 60 mm |
Number of D 5 mm holes | 16 PCS |
Number of D 13 mm holes | 2 PCS |
Product weight (per item) | 674.100 g |
Material designation | DX51D |
Material | Sheet steel |
Surface | Hot dip galvanized |
Area of application | Roof |
Additional accessory | Fastening strap WZ |
Suitable for screw | ASSY 3.0 joist hanger screw |
Approval | ETA-15/0043 |
RoHS-compliant | Yes |
| Load-bearing steel strapping tensioner system | ||||
| Steel strapping WZ | BL-WRB steel strapping tensioner or BL-WRB anchor connection | BL-WRB anchor plate type 2 | ||
| 1.5 x 40mm | 1.5 x 60mm | 25° | 45° | |
| Rk [kN] | Rk [kN] | Rk [kN] | Rk [kN] | Rk [kN] |
| 18,9 | 28,4 | 24,2 | 14 | 18,7 |
| Measurement aid Würth steel strapping WZ measurement | ||||||||
| Characteristic load capacity R1,k [KN] minimum of the steel strapping WZ from: | ||||||||
| Width (mm) | Thickness (mm) | Steel or steel strapping WZ | Wood when using Würth ring-shank nail 4.0 mm x L | Wood when using ASSY 3.0 joist hanger screw 5.0 mm x L | ||||
| 40 mm | 50 mm | 60 mm | 40 mm | 50 mm | 60 mm | |||
| Characteristic load capacity Rk [KN] of the steel strapping tensioning system (ETA- 15/0043) | ||||||||
| WRB steel strapping tensioner WRB anchor connection | WRB anchor plate type 2 | WRB Butterfly | ||||||
| 45° | 45° | |||||||
| 40 | 1,5 | 15,7 | 1.68 x n | 1.99 x n | 2.15 x n | 2.15 x n | 2.29 x n | 2.44 x n |
| 60 | 1,5 | 23,6 | ||||||
| 80 | 1,5 | 37,8 | ||||||
| 24,2 | 14 | 18,7 | 15,2 | 17,7 | ||||
| Measurement example steel strapping WZ without WRB tensioning system: Assumptions: Würth steel strapping WZ 1.5 x 60 mm, connection with 12 ASSY 3.0 joist hanger screws 5.0 x 40 mm, usage class 2, load duration class: "short", load Fd = 15.0 kN Calculation: R1,d Wood: 12 pcs x 2.13 kN x 0.9/1.3 = 17.7 kN, decisive => 15.0 kN/17.7 kN = 0.85 < 1.0 R1,d Steel: 23.6 kN/1.3 = 18.15 kN | ||||||||
| Note: n = number of nails at anchor point Values apply to a wood raw density of 350 kg/m³ Design values for load-bearing capacity: Wood: R,d = R,k x kmod/gm (with wood gm = 1.3) Steel: R,d = R,k/gm (with steel gm = 1.3) It should be assessed whether Würth ASSY 3.0 joist hanger screws should be installed based on the edge spacing which is to be maintained. These are guides for planning purposes. The values must be calculated for each project by authorised persons. | ||||||||
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