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  "title": "Selleys Spakfilla Rapid - Fast-Drying Wall Filler 07",
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  "content": "## AI Summary\n\n**Product:** Selleys Spakfilla Rapid\n**Brand:** Selleys (a division of DuluxGroup Australia Pty Ltd)\n**Category:** Ready-mixed wall and surface filler\n**Primary Use:** Repairing and filling holes, cracks, and surface defects in plaster and wood surfaces prior to painting.\n\n### Quick Facts\n- **Best For:** Trade and DIY users repairing plaster walls, ceilings, and painted timber surfaces in Australia and New Zealand\n- **Key Benefit:** Pre-mixed formulation requires no mixing or water activation — open and apply directly\n- **Form Factor:** Ready-mixed white paste\n- **Application Method:** Press into surface with a filling knife or flexible scraper; sand smooth once dry\n\n### Common Questions This Guide Answers\n1. Does Spakfilla Rapid need to be mixed before use? → No — it is pre-mixed and ready to apply straight from the container with no water or preparation required.\n2. How deep can a single application of Spakfilla Rapid be? → Approximately 5–6 mm maximum per layer; deeper repairs must be built up in thin layers, each dried fully before the next.\n3. Is Spakfilla Rapid classified as Dangerous Goods? → No — it is not classified as Dangerous Goods under Australian or New Zealand transport standards and is non-combustible and thermally stable.\n\n---\n\n## Overview: Selleys Spakfilla Rapid\n\nSelleys Spakfilla Rapid is a ready-mixed white paste filler for repairing plaster and wood surfaces. Made by Selleys, a division of DuluxGroup Australia Pty Ltd, it's become a reliable choice for trade and DIY wall repair work across Australia and New Zealand. The pre-mixed formula means you open the container and start filling — no prep, no guesswork. Whether you're a seasoned tradie or picking up a filling knife for the first time, the results hold up.\n\nThis guide covers what Spakfilla Rapid is, how it works, how to use it safely and effectively, and what to keep in mind when storing or handling it.\n\n---\n\n## What makes it a ready-mixed filler\n\nThe main advantage of Spakfilla Rapid is that it needs no mixing before use. Powder fillers require water, careful ratios, and consistent technique to get right. Spakfilla Rapid comes pre-mixed — open the container, pick up your knife, and get on with it.\n\nThat matters for a few practical reasons:\n\n- **Consistency:** The formulation is uniform throughout the container. Every scoop delivers the same quality paste, with no risk of a weak or shrink-prone batch from poor mixing.\n- **Speed:** Skipping the mixing step saves real time, particularly on small repairs where mixing a batch takes longer than the repair itself.\n- **Accessibility:** You don't need experience calibrating powder-to-water ratios to get a good result. Spakfilla Rapid makes that a non-issue.\n\nThe white paste is also easy to work with visually — you can see coverage clearly against most wall surfaces, and once dry and sanded, it disappears under paint.\n\n---\n\n## Suitable surfaces and applications\n\nSpakfilla Rapid is formulated for two primary surface types.\n\n### Plaster surfaces\n\nPlaster walls and ceilings are the most common application. Spakfilla Rapid handles small holes left by nails, screws, or picture hooks; cracks in plaster, including hairline cracks and wider stress fractures; dents or surface damage from impact; and joins or gaps between plasterboard sheets prior to painting.\n\nPlaster is a porous, relatively soft substrate. A filler used on it needs strong adhesion, minimal shrinkage as it dries, and a finish that sands smoothly and accepts paint evenly. Spakfilla Rapid is built with those requirements in mind.\n\n### Wood surfaces\n\nSpakfilla Rapid also works well for filling defects in wood: nail holes and screw countersinks in timber trim, skirting boards, and architraves; small splits or cracks in wooden surfaces prior to painting; and surface voids in MDF or other engineered timber products.\n\nIt's designed for painted or paintable wood surfaces. It's not a structural wood filler and isn't intended for exterior timber exposed to ongoing moisture or movement.\n\n---\n\n## How to apply Spakfilla Rapid\n\nApplied correctly, Spakfilla Rapid produces a finish that needs minimal sanding and accepts paint cleanly.\n\n### Surface preparation\n\nBefore applying any filler, get the surface ready:\n\n- **Clean:** Remove dust, grease, loose paint, and debris. A damp cloth handles most surfaces — let it dry fully before filling.\n- **Stable:** Remove any loose plaster or flaking material around the repair area. Filling over an unstable substrate puts the repair at risk.\n- **Dry:** Moisture in the substrate blocks adhesion and slows drying.\n\nFor larger cracks, widen the crack slightly with a scraper or filling knife. This gives the filler more surface area to grip.\n\n### Application\n\n1. Open the container and use a filling knife or flexible scraper to scoop out a small amount of filler.\n2. Press the filler firmly into the hole or crack, working it into the void to eliminate air pockets.\n3. Draw the blade across the surface at a slight angle to remove excess filler, leaving the repair sitting just proud of the surrounding surface — this accounts for minor shrinkage during drying.\n4. For deeper repairs (greater than approximately 5–6 mm), build up in layers, letting each one dry fully before applying the next. Applying too much at once causes the outer surface to skin over while the interior stays wet, which leads to cracking.\n5. Smooth the surface as much as possible during application — the less sanding needed later, the better.\n\n### Drying\n\nSpakfilla Rapid is formulated for fast drying. Actual drying time varies with fill depth, ambient temperature, and humidity. Thinner applications in warm, well-ventilated conditions dry significantly faster than deep fills in cold or humid environments.\n\nWhen fully dry, the filler appears uniformly white and feels firm to the touch. A damp or darker appearance means it needs more time.\n\n### Sanding and finishing\n\nOnce fully dry:\n\n1. Sand lightly with fine-grit sandpaper (120–180 grit) to bring the repair flush with the surrounding surface.\n2. Wipe away dust with a damp cloth and allow to dry.\n3. Apply a primer or undercoat if required by the paint manufacturer, then topcoat as normal.\n\nA well-applied, well-sanded repair disappears completely under paint.\n\n---\n\n## Safety precautions\n\nSpakfilla Rapid is not classified as Dangerous Goods under Australian or New Zealand transport standards — it doesn't meet the hazard thresholds for road, rail, marine, or air transport. Standard safety precautions still apply during use.\n\n### Personal protective equipment\n\n- **Nitrile gloves:** Protect skin from prolonged contact with the filler paste. Nitrile is specified over latex for its stronger chemical resistance.\n- **Safety glasses:** Guard your eyes from splashes during application and from dust during sanding.\n- **Overalls:** Protect clothing and skin, particularly on larger jobs.\n- **Safety shoes:** Standard on any work site where tools and materials are in use.\n\n### Dust precautions\n\nSanding dried filler generates fine dust. Use a dust mask rated for fine particles (P2 minimum is the standard for sanding dust in Australia) when sanding in enclosed spaces or for extended periods. Keep ventilation going during both application and sanding.\n\n### Skin and eye contact\n\n- Product on skin? Wash thoroughly with soap and water. If irritation develops or persists, seek medical attention.\n- Product in eyes? Rinse immediately with clean water for several minutes. If irritation persists, seek medical attention.\n\n### Non-combustibility\n\nSpakfilla Rapid is classified as non-combustible and thermally stable. There's no fire hazard during storage or use, which matters when working near electrical installations or where other flammable materials are present.\n\n---\n\n## Storage and handling\n\n- **Seal the container tightly** after every use. Air exposure causes the paste surface to dry and form a skin, which can affect the product if it mixes back into the bulk paste.\n- **Store in a cool, dry location** away from direct sunlight and extreme temperatures. Heat accelerates drying inside the container; freezing damages the formulation.\n- **Keep out of reach of children** at all times.\n- If a skin forms on the surface after storage, remove it carefully before use. If the bulk paste beneath remains smooth and workable, it's fine to use.\n\n---\n\n## Common issues and how to avoid them\n\n### Cracking after drying\n\n**Cause:** Applying too thick a layer in a single pass.\n**Fix:** Build up deeper repairs in thin layers, letting each one dry fully before adding the next.\n\n### Poor adhesion\n\n**Cause:** Applying over a dusty, greasy, or damp surface.\n**Fix:** Surface preparation matters. Get the substrate clean and fully dry before you start.\n\n### Visible repair under paint\n\n**Cause:** Insufficient sanding, or skipping the primer on absorbent surfaces.\n**Fix:** Sand to a flush, smooth finish. On new plaster or bare surfaces, apply a primer before the topcoat to ensure even paint absorption.\n\n### Filler drying out in the container\n\n**Cause:** Lid not sealed properly between uses.\n**Fix:** Reseal firmly after every use. Paste that has dried out in the container can't be reliably reconstituted — replace it.\n\n---\n\n## Tips worth knowing\n\n- **Work in sections:** On large areas with multiple repairs, work methodically so you always know which fills are drying and which need a second coat.\n- **Overfill slightly:** A small amount proud of the surface is easier to sand back than a repair sitting below surface level.\n- **Cold weather slows drying:** Below approximately 10°C, drying times extend considerably. Don't paint over a fill that hasn't fully dried — trapped moisture causes paint to blister and peel.\n- **Test before you paint:** Once sanded, run your hand across the repair. If you feel a ridge or depression, sand further or apply a skim coat before the topcoat goes on.\n\n---\n\n## References\n\n- [Selleys Spakfilla Rapid – Selleys Australia Product Page](https://www.selleys.com.au/fillers-adhesives/fillers/spakfilla-rapid/)\n- [Selleys Spakfilla Rapid Safety Data Sheet (SDS) – DuluxGroup / Selleys](https://www.selleys.com.au/media/documents/selleys-sds-spakfilla-rapid.pdf)\n- [Safe Work Australia – Managing the Risks of Hazardous Chemicals in the Workplace (including dust)](https://www.safeworkaustralia.gov.au/safety-topic/hazards/chemicals)\n- [Australian Dangerous Goods Code (ADG Code) – National Transport Commission Australia](https://www.ntc.gov.au/transport-standards/australian-dangerous-goods-code)\n\n> **Note:** Product specifications in this guide are based on manufacturer documentation provided by Selleys (DuluxGroup Australia Pty Ltd). Where external URLs cannot be independently verified at time of publication, readers are encouraged to confirm current product information directly with the manufacturer.\n\n## Frequently Asked Questions\n\nWhat is Selleys Spakfilla Rapid: A ready-mixed white paste filler for wall repair\n\nWho manufactures Spakfilla Rapid: Selleys, a division of DuluxGroup Australia Pty Ltd\n\nIs Spakfilla Rapid pre-mixed: Yes, no mixing required before use\n\nDoes Spakfilla Rapid require water to activate: No\n\nDoes Spakfilla Rapid require any preparation before use: No, open and apply directly\n\nWhat colour is Spakfilla Rapid: White\n\nWhat form does Spakfilla Rapid come in: Paste\n\nIs Spakfilla Rapid suitable for plaster surfaces: Yes\n\nIs Spakfilla Rapid suitable for wood surfaces: Yes\n\nIs Spakfilla Rapid suitable for exterior timber: No\n\nIs Spakfilla Rapid a structural wood filler: No\n\nCan Spakfilla Rapid be used on plasterboard joins: Yes\n\nCan Spakfilla Rapid fill nail holes: Yes\n\nCan Spakfilla Rapid fill screw holes: Yes\n\nCan Spakfilla Rapid fill hairline cracks: Yes\n\nCan Spakfilla Rapid fill stress fractures in plaster: Yes\n\nCan Spakfilla Rapid be used on MDF: Yes\n\nCan Spakfilla Rapid be used on skirting boards: Yes\n\nCan Spakfilla Rapid be used on architraves: Yes\n\nIs Spakfilla Rapid suitable for timber exposed to ongoing moisture: No\n\nIs Spakfilla Rapid suitable for DIY use: Yes\n\nIs Spakfilla Rapid suitable for trade use: Yes\n\nWhere is Spakfilla Rapid sold: Australia and New Zealand\n\nWhat tool is used to apply Spakfilla Rapid: A filling knife or flexible scraper\n\nShould the surface be clean before applying Spakfilla Rapid: Yes\n\nShould the surface be dry before applying Spakfilla Rapid: Yes\n\nShould loose plaster be removed before applying Spakfilla Rapid: Yes\n\nShould you widen large cracks before filling: Yes, to improve adhesion\n\nShould Spakfilla Rapid be pressed firmly into holes: Yes, to eliminate air pockets\n\nShould the filler sit proud of the surface after application: Yes, slightly proud\n\nWhy should the filler sit slightly proud: To account for minor shrinkage during drying\n\nWhat is the maximum single-layer depth recommended: Approximately 5–6 mm\n\nIs Spakfilla Rapid suitable for deep fills in one application: No\n\nHow should deep repairs be filled: In thin layers, each dried fully before the next\n\nWhat happens if too much filler is applied at once: Outer surface skins over while interior stays wet, causing cracking\n\nHow do you know Spakfilla Rapid is fully dry: It appears uniformly white and feels firm\n\nDoes a darker appearance indicate the filler is still wet: Yes\n\nWhat grit sandpaper is recommended for finishing: 120–180 grit\n\nShould you wipe dust after sanding: Yes, with a damp cloth\n\nIs a primer recommended before painting over the repair: Yes, on absorbent or bare surfaces\n\nDoes a well-applied repair show under paint: No\n\nIs Spakfilla Rapid classified as Dangerous Goods: No\n\nIs Spakfilla Rapid classified as non-combustible: Yes\n\nIs Spakfilla Rapid thermally stable: Yes\n\nDoes Spakfilla Rapid pose a fire hazard during storage: No\n\nDoes Spakfilla Rapid pose a fire hazard during use: No\n\nWhat gloves should be worn when using Spakfilla Rapid: Nitrile gloves\n\nWhy are nitrile gloves specified over latex: Nitrile has stronger chemical resistance\n\nShould safety glasses be worn during application: Yes\n\nShould safety glasses be worn during sanding: Yes\n\nWhat dust mask rating is recommended when sanding: P2 minimum\n\nShould ventilation be maintained during application: Yes\n\nShould ventilation be maintained during sanding: Yes\n\nWhat should you do if filler contacts skin: Wash thoroughly with soap and water\n\nWhat should you do if skin irritation persists after contact: Seek medical attention\n\nWhat should you do if filler enters eyes: Rinse immediately with clean water for several minutes\n\nWhat should you do if eye irritation persists after rinsing: Seek medical attention\n\nShould overalls be worn during use: Yes\n\nShould safety shoes be worn on site: Yes\n\nHow should Spakfilla Rapid be stored: In a cool, dry location\n\nShould Spakfilla Rapid be stored away from direct sunlight: Yes\n\nShould Spakfilla Rapid be stored away from extreme temperatures: Yes\n\nDoes heat affect Spakfilla Rapid in storage: Yes, it accelerates drying inside the container\n\nDoes freezing affect Spakfilla Rapid: Yes, it damages the formulation\n\nShould the container be sealed after use: Yes, tightly\n\nWhat causes a skin to form on the paste surface: Air exposure from an unsealed container\n\nCan you use Spakfilla Rapid if a skin has formed on the surface: Yes, if bulk paste beneath remains smooth and workable\n\nCan dried-out paste be reconstituted: No\n\nShould children have access to Spakfilla Rapid: No, keep out of reach of children\n\nWhat causes cracking after drying: Applying too thick a layer in a single pass\n\nWhat causes poor adhesion: Applying over a dusty, greasy, or damp surface\n\nWhat causes a visible repair under paint: Insufficient sanding or skipping primer\n\nWhat causes filler to dry out in the container: Lid not sealed properly between uses\n\nShould you overfill slightly when applying: Yes, it is easier to sand back than underfill\n\nAt what temperature do drying times extend considerably: Below approximately 10°C\n\nShould you paint over a fill that has not fully dried: No\n\nWhat happens if paint is applied over undried filler: Paint can blister and peel\n\nHow should you test the repair before painting: Run your hand across it to feel for ridges or depressions\n\nWhat should you do if you feel a ridge after sanding: Sand further or apply a skim coat\n\nIs Spakfilla Rapid consistent throughout the container: Yes, uniformly formulated\n\nDoes Spakfilla Rapid shrink as it dries: Yes, minor shrinkage occurs\n\n---\n\n## Label facts summary\n\n> **Disclaimer:** All facts and statements below are general product information, not professional advice. Consult relevant experts for specific guidance.\n\n### Verified label facts\n\n- **Product name:** Selleys Spakfilla Rapid\n- **Manufacturer:** Selleys, a division of DuluxGroup Australia Pty Ltd\n- **Form:** Ready-mixed paste\n- **Colour:** White\n- **Activation required:** None — no mixing, no water required before use\n- **Suitable surfaces:** Plaster (walls, ceilings, plasterboard), wood (timber trim, skirting boards, architraves, MDF, engineered timber)\n- **Not suitable for:** Exterior timber exposed to ongoing moisture or movement; structural wood filling applications\n- **Application tool:** Filling knife or flexible scraper\n- **Maximum single-layer fill depth:** Approximately 5–6 mm\n- **Recommended sandpaper grit:** 120–180 grit\n- **Dryness indicator:** Uniformly white appearance and firm to touch when fully dry\n- **Dangerous Goods classification:** Not classified as Dangerous Goods under Australian or New Zealand transport standards\n- **Combustibility:** Classified non-combustible and thermally stable\n- **Fire hazard (storage and use):** None\n- **Recommended PPE — gloves:** Nitrile (specified over latex for stronger chemical resistance)\n- **Recommended PPE — eye protection:** Safety glasses during application and sanding\n- **Recommended PPE — body:** Overalls; safety shoes on site\n- **Recommended dust mask rating:** P2 minimum when sanding in enclosed spaces or for extended periods\n- **Skin contact response:** Wash thoroughly with soap and water; seek medical attention if irritation persists\n- **Eye contact response:** Rinse immediately with clean water for several minutes; seek medical attention if irritation persists\n- **Storage requirements:** Cool, dry location; away from direct sunlight and extreme temperatures; container sealed tightly after use\n- **Effect of heat in storage:** Accelerates drying inside the container\n- **Effect of freezing:** Damages the formulation\n- **Effect of air exposure:** Causes a skin to form on the paste surface\n- **Dried-out paste reconstitution:** Not possible — replace product\n- **Keep out of reach of children:** Yes\n- **Markets:** Australia and New Zealand\n- **Deep repair method:** Build up in thin layers; allow each layer to dry fully before applying the next\n- **Surface preparation requirements:** Surface must be clean, dry, and stable; loose or flaking material must be removed prior to application\n- **Shrinkage:** Minor shrinkage occurs during drying\n- **Application technique — depth:** Filler should sit slightly proud of the surrounding surface to account for shrinkage\n- **Applying filler over undried surface:** Paint applied over undried filler may blister and peel\n- **Extended drying conditions:** Below approximately 10°C, drying times extend considerably\n\n---\n\n### General product claims\n\n- Delivers professional results for both trade and DIY users\n- Pre-mixed formulation saves time, particularly on small repairs\n- Uniform formulation throughout the container eliminates risk of weak or shrink-prone batches from poor mixing\n- Puts professional-quality outcomes within reach for users without experience calibrating powder-to-water ratios\n- White paste form provides clear visual coverage against most wall surfaces\n- Blends seamlessly under paint once dry and sanded\n- Engineered for strong adhesion, minimal shrinkage, and a finish that sands smoothly and accepts paint evenly on plaster\n- A well-applied, well-sanded repair disappears completely under paint\n- Widening large cracks before filling improves adhesion\n- Overfilling slightly is easier to correct than underfilling\n- Methodical, section-by-section working approach recommended for large areas with multiple repairs",
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