Rupes Foam Interface Pad- 150mm (Set of 2)
R 580.00
- Flexible foam conforms to curves and contours
- Multi-hole design for efficient dust extraction
- 12mm precision foam thickness for consistent pressure
- Reduces disc clogging and extends abrasive life
- 12mm foam cushions pressure across curves and flat panels
- Multi-hole design keeps dust extraction clear and discs cutting
- RUPES-engineered for consistent, uniform material removal
- Free shippingOn orders over R1000
- Fast delivery2-4 business days
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Total price R 5,860.00
Precision Sanding Control
Consistent pressure across every panel shape
The 12mm flexible foam construction lets the sanding disc follow curves, contours and body lines without losing contact, so you get uniform material removal rather than high spots and flat-spotting from a rigid setup.
Why Interface Pads Matter
Better prep starts with better pressure distribution
Four reasons the foam layer between plate and disc makes a real difference.
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Conforms to Contours
Flexible 12mm foam keeps the disc in contact over curves and body lines where a rigid plate would lose conformity.
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Clear Dust Extraction
Multi-hole design aligns with perforated discs so extraction stays efficient, keeping the work surface visible and the disc cutting cleanly.
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Reduces Surface Marking
The cushioning layer minimises pressure points and localised loading, lowering the risk of uneven sanding marks on paintwork.
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Extends Disc Life
Better pressure distribution and cleaner extraction reduce premature disc loading, so you get more usable passes per disc.
Interface Pad vs No Interface Pad
What changes when you add the foam layer
Skipping an interface pad is common, but it comes with trade-offs. Here is how running a RUPES foam interface pad stacks up against mounting a sanding disc directly on a standard rigid backing plate.
| Feature | DetailerSA | Alternative |
|---|---|---|
| Conforms to curved panels | Yes | No |
| Even pressure distribution | Yes | No |
| Vibration dampening for the operator | Yes | No |
| Compatible with 150mm sanding discs | Yes | Yes |
| Works on flat panels | Yes | Yes |
| Additional accessory cost | Yes | No |
Built by RUPES
Engineered in-house for professional results
These interface pads are designed and manufactured by RUPES themselves, so the multi-hole pattern aligns correctly with RUPES sanding discs, dust extraction stays clear, and disc life is extended session after session.
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Questions
Frequently asked
What size backing plate do these interface pads work with?
These pads are designed for 150mm backing plates. They sit between the plate and your sanding disc, so you need a 150mm plate and matching 150mm perforated sanding discs for the multi-hole pattern to align correctly.
Why use an interface pad at all - can't I just run the disc directly on the backing plate?
Running a disc directly on a rigid backing plate concentrates pressure unevenly, which can cause flat-spotting on curved panels and uneven material removal. The 12mm foam layer distributes pressure more consistently, especially over contours, door edges and bumpers where the panel shape changes direction.
Do the holes in the interface pad align with the holes in the sanding disc?
Yes - the multi-hole configuration is designed to line up with standard perforated sanding discs so dust extraction is not blocked by the interface pad. Always check that your disc's hole pattern is compatible for best extraction performance.
Will these work with both DA (dual-action) and rotary machines?
Yes, the interface pads are compatible with both DA and rotary sanders fitted with a 150mm backing plate. They are particularly useful on DA machines where the pad's flexibility can help reduce the risk of localised pressure marks during longer sanding passes.
What grits or disc types can I use with these interface pads?
The interface pads are disc-agnostic - they work with any hook-and-loop sanding disc that fits a 150mm plate. Whether you are running a coarser grit for defect removal or a finer grit for finishing before compounding, the pad functions the same way by cushioning and distributing pressure.
How many pads come in the set?
Each purchase includes 2 foam interface pads at 150mm diameter and 12mm thickness.
How do I clean and maintain the interface pads?
Blow or brush off sanding dust after each session. If the foam becomes loaded with residue, a gentle rinse with water and a mild detergent followed by thorough air drying before reuse is sufficient. Avoid solvents that can break down the foam cell structure. Replace the pad if the foam shows signs of compression, tearing or delamination from the hook-and-loop backing.
Do these pads reduce vibration I feel through the machine?
Yes - one of the stated benefits of the 12mm foam layer is that it absorbs some of the vibration generated during sanding. Over longer correction or prep sessions this reduction in vibration transfer can make a noticeable difference to operator fatigue and overall control of the machine.