SIA Abrasives
Sia Sponge Sanding Foam Block
Flexible Foam Sanding Blocks for Surface Preparation and Finishing
Sia Sponge Sanding Foam Blocks are high quality flexible abrasives designed for manual sanding across flat, curved and contoured surfaces. Available in multiple grit options, they provide consistent sanding performance for preparation and finishing applications.
These foam sanding blocks are colour coded for easy identification, allowing users to quickly select the correct grit for each stage of the sanding process. The flexible foam construction ensures even pressure distribution, reducing the risk of uneven sanding or surface damage.
Suitable for automotive, marine, woodworking and industrial applications, Sia sanding sponges are ideal for use on primers, fillers, paints and clear coats.
Designed for professional and trade use, they deliver reliable and repeatable results across all sanding stages.
Available Grits
| Medium (180 grit) – General sanding and surface preparation | |
| Fine (240 grit) – Smoothing surfaces before coating | |
| Superfine (320 grit) – Final sanding and finishing work |
Features & Benefits
Key Features
- Flexible foam sanding blocks
- Colour coded grit system
- Available in 180, 240 and 320 grit
- Suitable for wet and dry sanding
- Designed for manual sanding applications
Key Benefits
- Adapts to curved and irregular surfaces
- Provides consistent sanding pressure
- Reduces risk of sanding marks and gouging
- Improves finish quality across sanding stages
- Easy grit identification for efficient workflow
How It Works
- Select appropriate grit for sanding stage
- Apply even pressure across surface
- Foam backing conforms to surface shape
- Progress through finer grits for smooth finish
Key Applications
- Automotive refinishing
- Fibreglass and filler sanding
- Primer and paint preparation
- Woodworking and cabinetry
- Marine surface finishing
Trade Tips
- Start with medium grit and progress to finer grades
- Use wet sanding for improved finish where required
- Rinse regularly during wet sanding to maintain performance
- Combine with guide coat for accurate surface preparation
Sia Sponge Sanding Block FAQs
Q1. What grits are available?
A1. Medium (180), Fine (240) and Superfine (320).
Q2. What do the colours mean?
A2. Orange = 180 grit, Yellow = 240 grit, Green = 320 grit.
Q3. Can they be used wet?
A3. Yes, they are suitable for wet and dry sanding.
Q4. Are they suitable for curved surfaces?
A4. Yes, the foam design allows flexibility for contours.
Q5. What are they used for?
A5. Surface preparation, smoothing and finishing across multiple materials.
Q6. Are they professional grade?
A6. Yes, they are designed for trade and professional use.
Technical Documents
Dispatch & Deliveries
When you make an order with Rite Price Distributors it’s important that you get the goods you need, for the right price, on time. That’s why we charge cost effective shipping rates that get your supplies to you as quickly and safely as possible.
For local orders in and around the Gold Coast we use Aramex Couriers for fast distribution.
For all other deliveries throughout Australia we use Australia Post.
Returns Policy
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted: (if applicable)
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
- Any item that is returned more than 14 days after delivery
