Product Facts
- Product Name
- Selleys Spakfilla Heavy Duty Wall Filler 435g
- Availability
- In Stock
- Condition
- New
- Category
- Home & Garden > Wall Fillers & Putty
- Seller
- Selleys
Selleys Spakfilla Heavy Duty Wall Filler 435g
Tough, durable ready-mixed filler suitable for interior and exterior use. Perfect for filling large gaps and cracks in walls and ceilings. Easy to sand. Suitable for mortar, wood, brick, masonry, stone, plaster, concrete, and primed metal surfaces.
Product Data (OpenAI Spec)
View Full JSON Spec ↗Specifications
| Sanding | Sand to a feathered edge once completely set |
|---|---|
| Packaging | 435g / 385mL Tub |
| Appearance | Paste, light grey |
| Technology | Water‑based filler |
| Limitations | Not for use in wet conditions or below 5 °C. Exterior surfaces must be painted to protect from rain. Not recommended where building movement is expected — use a flexible sealant instead. |
| Dry / Paint Time | 2‑3 hours for 2 mm application; longer for thicker layers or in cold conditions |
| Directions for Use | 1. Clean and dry surfaces; remove loose material. Prime exterior surfaces. 2. Press filler firmly into cracks/holes with a flexible spatula; smooth off. 3. For deeper gaps, build up in 6 mm layers, allowing each layer to dry. 4. Allow ~2‑3 hours drying for 2 mm applications (longer for thicker or in cold conditions). 5. Sand smooth once set; feather edges. 6. Paint over with water‑ or oil‑based paints, undercoat if needed. 7. Clean tools with water before filler sets. |
Product Intelligence
Selleys Spakfilla Heavy Duty Wall Filler 435g
Product Overview
Selleys Spakfilla Heavy Duty is a multipurpose, tough and durable, light grey ready-mixed filler designed for both interior and exterior applications. The product is supplied in a 435g/385mL tub container, offering substantial filling capabilities for various surface types.
Technical Specifications
| Property | Specification |
|---|---|
| Container Size | 435g / 385mL |
| Product Code | 9300697110220 |
| Bar Code | 9300697110220 |
| Technology | Water-Based |
| Colour | Light Grey |
| Appearance | Smooth paste |
| Sanding/Painting Time | 2-3 hours for 2mm applications (allow longer for thicker applications and colder weather) |
Key Features
- Interior and exterior use - Versatile application across multiple environments
- Tough and durable - Provides long-lasting repairs
- Easy to sand - Allows for smooth finishing and feathered edges
- Minimal shrinkage - No need to overfill, reducing material waste
- Water-based formulation - Enables easy cleanup before setting
Recommended Applications
Spakfilla Heavy Duty is ideal for substantial filling in the following materials:
- Mortar
- Wood
- Brick
- Masonry
- Stone
- Plaster
- Concrete
- Primed metal surfaces
Surface Preparation
Before application, surfaces must be:
- Clean and dry
- Free of loose or protruding material
- Primed (for exterior surfaces)
Directions for Use
- Using a flexible spatula, press the filler firmly into the surface
- Smooth off the application
- For deeper cracks, apply in 6mm layers, allowing each layer to dry before applying the next
- Allow 2-3 hours to set for 2mm applications
- Once completely set, sand to a feathered edge for a perfect finish
Storage and Maintenance
- Store in a cool, dry place
- Keep container closed when not in use
- Avoid use below 5°C or in wet conditions
Safety Classification
Based on available information, Spakfilla Heavy Duty is not classified as hazardous according to Safe Work Australia GHS 7 criteria. The product is also not classified as Dangerous Goods under the Australian Code for the Transport of Dangerous Goods by Road & Rail or New Zealand NZS5433 transport regulations.
Cleaning and Finishing
- Cleanup: Use water to clean up before the filler sets
- Painting: Can be painted with water or oil-based paints after applying undercoat
- Protection: Protect from rain until dry and painted over with two coats of paint
References
- [1] Selleys Business Homepage
- [2] SPAKFILLA HEAVY DUTY - Australian GHS Safety Data Sheet
- [4] Selleys Spakfilla Heavy Duty Technical Data Sheet