Description
Electrical Sealant Putty for Cable & Junction Box Sealing
Pack & Seal Electrical Sealant Putty is a non-setting, water-resistant sealing compound designed for electrical installations, maintenance and repair work. Ideal for sealing cables, pipes, junction boxes and service penetrations, it helps prevent moisture, dust and debris ingress while providing a flexible, removable seal.
The non-hardening formulation remains workable after installation, allowing easy removal and reuse during future maintenance or modifications. Suitable for a wide range of sealing, packing and gasketing applications, Pack & Seal is widely used by electricians, maintenance engineers and contractors where reliable protection and accessibility are equally important.
Available in both a transparent clear version for visual inspection and a fire-retardant red version for enhanced visibility and fire safety applications.

Key Features & Benefits
- Non-setting electrical sealant putty
- Water-resistant formulation
- Prevents moisture ingress
- Helps block dust and contaminants
- Easy to apply
- Easy to remove and rework
- Reusable after removal
- Suitable for sealing cables and pipes
- Ideal for junction box sealing
- Effective on irregular surfaces
- Flexible non-hardening compound
- Long shelf life
- Available in clear and red variants
- Fire-retardant red version available
- Suitable for maintenance and repair applications
Suitable Applications
- Junction box sealing
- Cable entry sealing
- Cable gland sealing
- Pipe penetration sealing
- Electrical enclosure sealing
- Service penetration sealing
- Moisture protection
- Dust protection
- Gasketing applications
- Hole filling
- Cable management
- Electrical maintenance
- Vibration dampening around cables
- Temporary and removable seals
Available Variants
Pack & Seal Clear
- Transparent finish
- Allows inspection of wiring and labels
- Ideal for electrical enclosures and PCB applications
Pack & Seal Red
- Fire-retardant formulation
- High-visibility colour
- Suitable where fire performance is required
Suitable Materials
- Electrical cables
- Junction boxes
- Service conduits
- Pipework
- Electrical enclosures
- Cable glands
- Uneven sealing surfaces
Technical Information
- Product Type: Non-setting sealant putty
- Water Resistance: Yes
- Reusable: Yes
- Removable: Yes
- Setting Type: Non-curing
- Variants Available: Clear and Red
- Fire-Retardant Version: Red
- Shelf Life: 12 months when stored correctly
Frequently Asked Questions
What is Pack & Seal Electrical Sealant Putty used for?
It is used for sealing cables, pipes, junction boxes and electrical penetrations against moisture, dust and contaminants.
Does the putty harden after application?
No. The formulation remains non-setting, allowing easy removal and future maintenance access.
Can the putty be reused?
Yes. It can be removed and reused where appropriate during maintenance or modifications.
What is the difference between the clear and red versions?
The clear version allows visual inspection of wiring and labels, while the red version is fire-retardant and highly visible.
Is it suitable for junction boxes?
Yes. It is commonly used to seal electrical junction boxes against moisture and dust ingress.
Can it be used around cables and pipework?
Yes. It is suitable for sealing around cable entries, pipe penetrations and service openings.
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