PFS Pre Formed Strap
PS RANGE Pre Formed Strap
The PS range provides required parallel restraint to block work for joist hangers and, where required, build–in details.
The PFS is an engineered strap that has been designed to provide enhanced performance and greater flexibility while laterally restraining floors and roofs.
Applications can be found on pages 10, 12 and 13
Applications can be found on pages 8 and 9
Features & Benefits — Strap suitable for various blockwork sizes (100-215mm) to include fire and party walls — Higher characteristic capacity values compared to competitor solutions, enabling straps to be installed at a maximum of 2 metre centres — Load values support floor opening details to meet NHBC requirements e.g. stairwell openings — Fewer fixings and connectors are required compared to competitors’ solution — Installation videos available for all detailed applications
Part of the Cullen Gable Restraint System – Pg13
PST–135
Features & Benefits — Typically used for lateral restraint in floor and roof applications — Exceeds minimum performance of 8kN as per BS EN845-1 — 1 solution for floor and roof applications — Engineered strap with reduced thickness and weight compared to traditional straps — Installation videos available for all detailed applications
PST–220
Approvals — CE/UKCA marked in accordance with EN845-1 — Meets NHBC Technical requirements
Engineered bend for increased performance
Material Specification — 35 x 1.5mm Galvanised mild steel – Z600 or Z275 (with edge protection) Approvals — CE/UKCA marked in accordance with EN845-1 — Meets NHBC Technical requirements — Meets Homebond technical requirements
Fixings Code
Description
Box Qty
PSB
Available Sizes
547389 141185
3.4 x 35mm Square Twist Nails – LOOSE 3.4 x 35mm Square Twist Nails – COLLATED*
500
2,500
PSC–220
*For use with Paslode PPNXi
FLAT STRAP
Fixings — Dependant on application
Available Sizes
4mm Ø holes Dimensions (mm)
Minimum Block Work Width (mm)
Maximum Block Work Width (mm)
Strap Material Thickness (mm)
F
Product Code
B (mm)
F (mm)
T (mm)
T
PST
Code
Description
Box Qty
F
547389 141185
3.4 x 35mm Square Twist Nails – LOOSE 3.4 x 35mm Square Twist Nails – COLLATED*
500
PST–135
100
125
100
451.7
135
1.4
F
2,500
F
PST–220 PSC–220
140 100 n/a
215 215 n/a
100 100 100
536.7 536.7 451.7
230 220 135
3 3
T
*For use with Paslode PPNXi
PSC
PSB
1.4
Please refer to page 8 and 9 for guidance on strap requirement
Dimensions (mm)
BENT STRAP
B
F
4mm Ø and 6mm Ø holes
T
PSB
35
1.5
Strap Selection
50
I–Joist Depth (mm)
Open Web Joist Depth (mm)
Hanger Depth
Hanger Depth
Product Code PFS–1000–F PFS–1200–F PFS–1600–F PFS–2000–F
F (mm)
Product Code
F (mm)
B (mm)
195/200
220
240
300
350/360
400
195/202
219/230
253/254
304
375/380
418/424
1000 1200 1600 2000
PFS–900–100–B PFS–1100–100–B PFS–1500–100–B PFS–1900–100–B
900
100 100 100 100
50
195 225 240 250 300 350 400
PST
195 225 240 250 300 350 400
PST
1100 1500 1900
PST
PSC PST
PST
PSC PST PST
PST
PST
PST
PSC
PST
PSC
Load Data
Load Data
Fixings
Performance
Characteristic Tensile Capacity (kN)
Fixings
(3.4 x 35mm)
Performance
Characteristic Tensile Capacity (kN)
(3.4 x 35mm)
Built into 3.5N/mm 2 block work & nailed to min C16 grade timber**
8No
8.80
Built into 3.5N/mm 2 block work & nailed to min C16 grade timber** 8.00 **Tested in accordance with the requirements of EN846-4 (with a vertical precompression of 0.4N/mm 2 to the top of the masonry specimen – equivalent to storey height of blockwork) 8No
Flat Strap
n/a
10.80
**Tested in accordance with the requirements of EN846-4 (with a vertical precompression of 0.4N/mm2 to the top of the masonry specimen – equivalent to storey height of blockwork)
The latest version of the technical guide will always be the digital format on our website.
The latest version of the technical guide will always be the digital format on our website.
4
Technical support: 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk 5
Technical support: 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk
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