FlexiStak® Adjustable Suspension Solution for VRF and Piping

SKU # FS300, FS350

FlexiStak is the fastest method of supporting VRF and Piping solutions, allowing them to be quickly and securely routed around a building services site.

Safe Working Load

Safe Working Load:

35 kg | 75 lbs (3:1 Safety Factor)

Suspension Lengths

Suspension Lengths:

200 mm – 1,500 mm | 7.87 in - 59.05 in

Usable Width

Usable Width:

76 mm | 2.99 in

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Product Downloads

Flexi Stack - Technical Data Pack - ENGBuilding Services Product Guide
SKU # FS300, FS350
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Fast to install, robust pipe support system

FlexiStak is a quick to install, tool-free pipe support system designed for environments where adaptability and speed are key. When working under time pressure on-site, FlexiStak gives you a smarter way to route piping and VRF without compromising on safety, organisation or standards.

Supplied as a ready-to-install kit, FlexiStak is a lightweight yet robust support system, easily attached to Fast Trak tracks. With the ability to stack multiple hangers onto one track, it offers the versatility to support piping whist maintaining a clean, aesthetically pleasing finish.

Installation is tool-free and intuitive, reducing time on-site and helping teams meet tight project deadlines with ease. Its compact design reduces on-site storage needs, and ongoing maintenance is simplified thanks to easy access using the integrated gate feature. Backed by Gripple’s trusted quality, technical support, and proven performance, FlexiStak is the perfect solution for contractors who need speed, flexibility, and reliability.

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Easy Height Adjustment

Easy Height Adjustment

Our push-button mechanism makes height adjustments on the track a breeze, saving you time and effort.

Two Hanger Sizes

Two Hanger Sizes

Small and large variants give you the ability to run single or stacked pipes.

Supports Various Pipe Sizes

Supports Various Pipe Sizes

With its 3” (76.2 mm) OD capacity, it can support both small and large diameter insulated pipework, making it ideal for a range of applications.

Modular Installation

Modular Installation

The ingenious design allows for modular installations, enabling the use of multiple hangers on a single track.

Secure and Reliable

Secure and Reliable

The built-in wire gate ensures your pipework and cables stay securely in place within the hanger.

Strong and Durable

Strong and Durable

Made from robust glass-filled nylon material, it can support an impressive 75 lbs | 35 kg load , providing reliability and peace of mind.

Easy Height Adjustment

Easy Height Adjustment

Our push-button mechanism makes height adjustments on the track a breeze, saving you time and effort.

Two Hanger Sizes

Two Hanger Sizes

Small and large variants give you the ability to run single or stacked pipes.

Supports Various Pipe Sizes

Supports Various Pipe Sizes

With its 3” (76.2 mm) OD capacity, it can support both small and large diameter insulated pipework, making it ideal for a range of applications.

Modular Installation

Modular Installation

The ingenious design allows for modular installations, enabling the use of multiple hangers on a single track.

Secure and Reliable

Secure and Reliable

The built-in wire gate ensures your pipework and cables stay securely in place within the hanger.

Strong and Durable

Strong and Durable

Made from robust glass-filled nylon material, it can support an impressive 75 lbs | 35 kg load , providing reliability and peace of mind.

How it Works:

Our FlexiStak adjustable pipe supports can be installed individually or as part of a trapeze bracket system. See how to install individually below, or download the technical data pack for full install guidance.

 Download the Technical Data Pack
Step 1: Fasten the Fast Trak track to the soffit using the correct fixing.
Step 2: Fully press and hold the button on FlexiStak and slide FlexiStak up the track to the desired height.
Step 3: Release the button to lock in place.
Step 4: Press and push centre section of wire formed gate and lift to open the gate.
Step 5: Lift or pull through line sets / pipework into the hanger (insulated VRF line sets can be stacked into the same hanger).
Step 6: Close wire form gate (click to lock securely) when service installation is complete to secure FlexiStak.
Step 7: Press and hold the button on FlexiStak to make any height adjustments required.
Step 8: If you are using multiple FlexiStaks on the same track (dependent on the track length), please repeat steps 2-7.

Related Products & Accessories

Fast Trak® – Standard

Bracketry Suspension System for MEP Services

Max System Load : 650 lbs | 295 kg
Suspension Space: 176 mm – 1476 mm | 6.9 in – 58.1 in
Drop Height Range: 200mm – 1500mm | 7.9 in – 59.1 in
View Fixing Variant

Fast Trak® – Low Profile

A Low Profile and Pre-Fabricated Trapeze Bracket

Max Single-Point Load: 150 kg | 330 lbs
Max Uniformly Distributed Load: 195 kg | 429 lbs
Bracket Range: 190 mm – 1490 mm | 7.48 in – 58.66 in
View Fixing Variant

Fast Trak® – Side Load

Side-loaded, bracketry suspension system for MEP services

Max Single Point Load: 15 kg | 33 lbs
Max Uniformly Distributed Load: 30 kg | 66 lbs
Track Lengths: 200 mm – 600 mm | 7.87 in – 23.62 in
View Fixing Variant

Common Applications

Pipework

Pipework

Downloads

Fast Trak Low Profile Technical Data Pack (CAN-EN)
Fast Trak Standard (Mechanical & Plumbing) Technical Data Pack (CAN-EN)
Fast Trak Standard (Electrical) Technical Data Pack (CAN-EN)
Fast Trak Side Loading Technical Data Pack (CAN-EN)

Frequently Asked Questions

Yes, you can download the FlexiStak technical information and approval certifications from the ‘technical’ tab on this page, or alternatively, from the ‘My Gripple’ login area

No, the hanger is not fire rated – VRF is not an application requiring fire rating within the US.

FlexiStak is available as an accessory and can be used on any current track length (up to 5ft currently)

No, the FlexiStak hanger is sold separately to give the customer more flexibility over the track lengths they require

Yes, the versatility and design of the FlexiStak allows for modular assembly, giving further flexibility to the customer.

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