Fischer makes two chemical anchors that buyers ask us about every day: FIS EM Plus (epoxy) and FIS V Plus (vinylester hybrid). Both are injection mortars, both work in concrete, and both hold far more than a mechanical anchor of the same size. But they are built for different jobs. Choose the wrong one and you either wait too long for a fixing to cure, or you use a fast mortar where the design needed an epoxy. This guide comes from our team at Fasteners King, India’s No.1 Fischer channel partner for 5 years in a row.
- FIS EM Plus – choose it for rebar, structural connections, the heaviest loads, deep holes and wet or water-filled holes. It cures slowly, so plan for that.
- FIS V Plus – choose it when you need to load the fixing the same day: elevator brackets and rails, MEP supports, railings and general anchoring.
- Not sure? Send your drawing and load on WhatsApp – we will tell you which one, and how many cartridges.
FIS EM Plus vs FIS V Plus at a glance
| FIS EM Plus | FIS V Plus | |
|---|---|---|
| Mortar type | Epoxy | Vinylester hybrid |
| Curing speed | Slow – hours before full load | Fast – load the same day |
| Working time | Long – good for deep holes and long rebar | Short – work hole by hole |
| Best for | Post-installed rebar, structural steel, heavy loads | Elevator brackets and rails, MEP, railings, general fixings |
| Wet holes | Suitable even for water-filled holes | Check the approval before using in wet holes |
| Who usually buys it | Rebar contractors, structural consultants | Elevator installers, MEP contractors |
When to choose FIS EM Plus
FIS EM Plus is Fischer’s high-performance epoxy. It is the mortar structural consultants specify when the fixing carries a design load and failure is not an option.
- Post-installed rebar – extending slabs, columns and beams, or adding new structure to old concrete.
- Heavy structural fixings – steel base plates, canopies, façade brackets and machine foundations.
- Deep holes and long embedment – the long working time lets you fill deep holes and set long bars without the mortar gelling halfway.
- Wet or water-filled holes – basements, water tanks, bridges and sites where holes fill with water.
We supplied FIS EM Plus to an NCC project, and rebar contractors and structural consultants make up most of our EM Plus buyers.
When to choose FIS V Plus
FIS V Plus is a fast-curing vinylester hybrid. Its biggest advantage is speed: the fixing can take load the same day, so the crew keeps moving.
- Elevator installation – rail brackets, door frames and machine supports, where the next step starts as soon as the bracket is fixed.
- MEP supports – pipe and duct hangers, cable trays and threaded-rod fixings.
- Railings, gates and handrails – general anchoring into concrete.
- Jobs with many small fixings – where waiting overnight for every hole would hold up the site.
We supply FIS V Plus to many elevator companies – Fasteners King has supported 5,000+ elevator installations.
3 mistakes buyers make
- Using the wrong mortar in wet or water-filled holes. If the hole is wet or holds water, choose a mortar approved for it – FIS EM Plus is the safe choice.
- Not waiting for the full curing time. Loading a fixing before the mortar has cured is one of the most common reasons chemical anchors fail. Check the curing time for your temperature on the cartridge before you load it.
- Buying EM Plus when the job needs a fast cure. EM Plus is the stronger choice for rebar, but on an elevator or MEP job it can hold up work for hours. If the fixing must take load the same day, FIS V Plus is usually the better fit.
Installation tips that apply to both
- Clean the hole fully – blow, brush, blow. Dust left in the hole is the main cause of weak chemical anchors.
- Discard the first strokes from a new cartridge until the mortar comes out an even colour.
- Fill from the bottom of the hole to avoid air pockets, then insert the rod or rebar with a slight twist.
- Follow the cartridge’s temperature table – working and curing times change with temperature.
Need to know how many cartridges you will use? Try our free chemical volume calculator: Delhi · Guwahati · Dubai.
Sizes we stock
Frequently asked questions
Is FIS EM Plus stronger than FIS V Plus?
For rebar and the heaviest structural loads, FIS EM Plus is the usual choice. For general anchoring, FIS V Plus gives plenty of strength and cures much faster. The right one depends on the load, the base material and how soon you need to load the fixing.
Can I use FIS V Plus for rebar?
Rebar connections are normally designed with an epoxy such as FIS EM Plus. Always follow the structural consultant’s specification and the product approval.
Why do elevator installers prefer FIS V Plus?
Because it cures fast. Brackets can be loaded the same day, so installation is not held up waiting for the mortar.
Are your Fischer products genuine?
Yes. Fasteners King is India’s No.1 Fischer channel partner and supplies only original Fischer products, with a GST invoice in India and a VAT invoice in the UAE.
Also read: Fischer chemical anchors · Post-installed rebar guide · How to identify original Fischer chemicals