PRODUCTS
PS Range
PS Range
Pre Formed Strap Range (Parralel)
The PS range provides required parallel restraint to block work for joist hangers and, where required, build-in details.
Z450
Galvanised Mild Steel
Up to 8.00kN
Characteristic Tensile Capacity
Strap suitable for various blockwork sizes (100-215mm) to include fire and party walls
Higher characteristic capacity values vs. competitor solutions, enabling straps to be installed at a maximum of 2 metre centres
Fewer fixings and connectors are required compared to competitors’ solution
Floor can be loaded after 3 days of curing for supporting blockwork.
Installation videos available for all detailed applications

Paslode 3.4 x 35mm Electrogalvanised Square Twist Nail
Cullen products have been tested and CE marked to the requirements of ETAG015 using 3.4 x 35mm square twist nails.
These have been issued as guidance only, the overall responsibility lies with the Building Designer. For 3rd floor and above please refer to the building standards or building designer for guidance. All straps require a full storey of block work above to achieve the full 8kN declared load capacity.
Guidance
Align strap with the incoming joists top (PST/PSC) or bottom (PSB) chord/flange depending on application
The strap should be nailed with a minimum of 8 no. 3.4 x 35mm Square Twist Nails into the joist top/bottom flange/chord
Installation Guidance
Explore the step-by-step PS Range installation video
The video demonstrates best practice on site, highlighting each stage of the installation process to help ensure accuracy, consistency, and compliance during fitting.
Related Products
Support you can rely on
Expert technical guidance and customer service, from design to site.