Draper Expanding Foam Gun - 28618
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Product Information
Full details
The Draper Expanding Foam Gun (28618) is designed for professional builders, DIY enthusiasts, and contractors who require precision control when applying polyurethane expanding foam to gaps, cracks, or insulation voids. Its primary benefit is the ability to achieve clean, metered dispensing without the messy waste associated with straw-based aerosol applicators, though it does require regular cleaning to prevent the internal mechanism from clogging.
All features
| Model Part Number | 28618 |
|---|---|
| Brand | Draper |
Extended Product Information
FAQs
Does this gun fit all foam cans?
It is designed to be compatible with most standard trade-size expanding foam aerosol canisters that feature a screw-top valve.
How do I prevent the foam from clogging the gun?
Always flush the barrel with a dedicated gun cleaner solvent immediately after removing a canister or before long-term storage.
Can I leave a canister attached to the gun?
Yes, you can store the gun with a canister attached for several days to keep the system pressurized, provided the flow control dial is fully closed.
What is the weight of the gun?
The Draper 28618 weighs approximately 0.31kg.
Is this tool suitable for DIY projects?
Yes, it is highly recommended for DIY users who want a cleaner, more professional finish than what is possible with disposable applicator straws.
Troubleshooting
Foam stops flowing during use
Check if the canister is empty or if the flow adjustment dial at the rear is fully closed.
Foam leaking from the adapter
Ensure the canister is threaded correctly and fully tightened into the basket, or check if the internal O-ring seal is damaged.
Trigger is stuck or hard to pull
The internal mechanism likely has cured foam residue. Flush the unit immediately with dedicated foam gun cleaner.
Pros and Cons
Pros
- Precise flow control reduces material waste
- Sturdy zinc and steel build quality
- Lightweight for easy maneuverability
- Fits most standard foam canisters
Cons
- Requires professional foam cleaner for maintenance
- Internal clogging occurs if not purged correctly
- No storage case included
Setup, Compatibility & Care
To set up the gun, screw the expanding foam canister firmly into the basket attachment until it feels secure. Once the canister is seated, slightly open the rear flow control dial and squeeze the trigger to prime the barrel with foam. Always ensure the canister is upright or inverted as specified by your particular foam manufacturer.
Care is critical: if foam is left to cure inside the barrel, the tool will become unusable. After every use, or when swapping canisters, attach a can of professional foam gun cleaner to the adapter and flush the barrel until only clear solvent exits the nozzle. Store the gun with a partially used canister attached to maintain pressure, or thoroughly cleaned if it will be stored for an extended period.