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  "title": "Selleys No More Cracks Exterior Brick & Render 04",
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  "content": "## AI Summary\n\n**Product:** Selleys No More Cracks Exterior Brick & Render Filler\n**Brand:** Selleys (a division of DuluxGroup Australia Pty Ltd)\n**Category:** Exterior Masonry Repair Filler\n**Primary Use:** Repairing hairline and moderate surface cracks in exterior brick and render masonry surfaces.\n\n### Quick facts\n- **Best for:** Trade professionals and DIY users performing small-to-medium exterior masonry repairs\n- **Key benefit:** Non-slumping, thermally stable paste formulated to hold up outdoors against moisture, UV exposure, and temperature swings\n- **Form factor:** Grey paste (500g container)\n- **Application method:** Apply with filling knife, putty knife, or gloved finger; press firmly into crack; build deep cracks in 5–10mm layers\n\n### Common questions this guide answers\n1. Is this filler safe to handle with bare hands? → No — it is classified as Skin Sensitiser Category 1 (H317); nitrile gloves, safety glasses, overalls, and safety shoes are required\n2. Can this product be used for structural or actively moving cracks? → No — it is not formulated for structural repair, expansion joint filling, or flexible movement accommodation; use a flexible sealant or seek professional structural assessment instead\n3. How long should the filler cure before painting? → The filler must be completely cured before painting; applying paint too early traps moisture and undermines adhesion; a masonry primer is recommended before topcoating\n\n---\n\n## Product overview\n\nSelleys No More Cracks Exterior Brick & Render Filler is a grey paste compound built for one purpose: lasting repairs to exterior masonry surfaces, including brick and render. Manufactured by Selleys, a division of DuluxGroup Australia Pty Ltd, it's designed for trade professionals and DIY users working outdoors.\n\nInterior fillers aren't up to exterior demands. Exterior masonry repair means facing temperature swings, moisture, UV exposure, and the natural movement of masonry substrates. This filler handles all of that through a thermally stable, non-combustible formulation that holds its chemical integrity under normal working conditions — the kind of performance that keeps repairs looking right on an exposed exterior wall, not just for a season but long-term.\n\nThe 500g pack is well-suited to small-to-medium repair jobs: hairline cracks in rendered walls, damaged mortar joints, or surface cracks in brick from settling or seasonal movement.\n\n---\n\n## What the specifications tell you\n\nKnowing the physical properties of this filler puts you in control. Apply it correctly, set realistic expectations, and get the results you're after the first time.\n\n### Form and consistency\n\nThe product is supplied as a paste with a specific gravity of 1.01–1.05. Specific gravity describes how dense the material is relative to water. A value just above 1.0 means the paste sits only marginally denser than water — relatively lightweight, not a heavy, aggregate-laden compound. That density is right for surface crack repair rather than structural gap filling.\n\nViscosity is rated at 6,000–9,000 Poise (P). Poise measures dynamic viscosity. For context, water sits at roughly 0.01P, while honey lands around 100–200P. At 6,000–9,000P, this filler is a thick, non-slumping paste that holds its shape on a vertical surface without running or sagging. On an exterior wall, where gravity is always working against you, that consistency matters for a professional result.\n\n### Colour\n\nThe filler dries grey, which is a deliberate choice for masonry applications. Render and concrete substrates are typically grey in tone, making this a practical starting point for blending repairs into the surrounding surface. For brick surfaces, colour matching depends on the specific brick type; painting over the cured repair with an appropriate exterior masonry paint is the proven approach for a seamless finish.\n\n### Odour\n\nThe product carries a characteristic odour, typical of paste-based fillers containing binders and additives. Good ventilation during application is always worth doing — even outdoors, particularly in enclosed courtyards or sheltered alcoves where air movement is limited.\n\n---\n\n## Suitable applications\n\nThis filler is purpose-built for exterior masonry surfaces, specifically:\n\n- **Brick:** Surface cracks, spalled faces, and minor impact damage\n- **Render:** Hairline and moderate cracks in cement or acrylic render coatings applied over masonry\n\nIt is not formulated for structural crack repair, expansion joint filling, or applications requiring flexible movement accommodation. Masonry cracks that are actively moving — caused by subsidence, live structural loads, or inadequate expansion joints — need a flexible sealant or a professional structural assessment, not a rigid filler. Knowing the right tool for the job is what separates a lasting repair from a short-term patch.\n\nThis product is rated for exterior use, meaning it's built to withstand real outdoor conditions. Interior-grade fillers applied externally deteriorate prematurely under moisture and thermal cycling. Using a product formulated for exterior masonry eliminates that problem from the start.\n\n---\n\n## Preparation and application\n\nSurface preparation is what separates a repair that lasts from one that doesn't. A filler pressed into a poorly prepared surface won't perform, regardless of product quality.\n\n### Surface preparation\n\n1. **Remove loose material:** Use a scraper, wire brush, or cold chisel to clear any loose render, crumbling mortar, or friable brick from the crack. The repair area must be structurally sound before you apply anything.\n2. **Clean the surface:** Remove dust, dirt, oil, and any biological growth such as moss or algae. A stiff brush and clean water handle most surfaces; contaminated areas may need a suitable masonry cleaner.\n3. **Dampen the substrate:** Dry masonry is highly absorbent and pulls moisture rapidly from the filler — a leading cause of shrinkage and poor adhesion. A light dampening of the crack before application helps the filler bond and cure correctly. Damp, not saturated, is the target.\n\n### Application\n\n- Apply the filler directly from the container using a filling knife, putty knife, or gloved finger for narrow cracks.\n- Press the filler firmly into the crack to eliminate voids and ensure full contact with the substrate.\n- Overfill slightly to account for minor shrinkage during curing, then smooth flush with the surrounding surface once the filler begins to firm up.\n- For deeper cracks, build up in multiple layers rather than one thick application. Allow each layer to dry fully before applying the next. Skipping this step leads to surface skinning over an uncured core, which causes cracking and rework.\n- Working temperature and humidity both affect cure time. Follow any guidance on the product packaging for your specific conditions.\n\n### Finishing\n\nOnce fully cured, sand the surface smooth where needed. The grey finish accepts exterior masonry paint, letting you match the surrounding surface. Always confirm the filler is completely cured before painting — applying paint too early traps moisture and undermines adhesion. Patience here pays off in the finished result.\n\n---\n\n## Storage instructions\n\nStore the product in cool, dry, well-ventilated conditions, away from direct sunlight. Heat and UV exposure alter the consistency of paste-based fillers and shorten shelf life. Seal the container tightly after every use to keep the paste in working condition and prevent skinning.\n\nKeep away from heat sources, open flames, and oxidising agents — even though this product is non-combustible under normal conditions.\n\n---\n\n## Safety information\n\nRead this section before you open the container.\n\n### Skin sensitiser classification\n\nThe product is classified as a Skin Sensitiser Category 1 (Hazard Statement H317: May cause an allergic skin reaction). This is a formal regulatory classification under the Globally Harmonised System (GHS) of Classification and Labelling of Chemicals.\n\nIn practice, repeated or prolonged skin contact with the filler can cause sensitisation in some individuals. Once sensitised, even minor future contact can trigger an allergic reaction. The right approach is straightforward: avoid skin contact from the start. Don't assume a single exposure is without consequence.\n\n### Required personal protective equipment (PPE)\n\n| PPE item | Purpose |\n|---|---|\n| Nitrile gloves | Prevent skin contact and sensitisation |\n| Safety glasses | Protect eyes from splashing or dust |\n| Overalls | Protect skin on arms and body |\n| Safety shoes | Protect feet during mixing or application |\n\nNitrile gloves are the right choice here — they offer better chemical resistance than standard latex. Avoid breathing dust generated during surface preparation or when sanding cured filler.\n\n### First aid procedures\n\n**Skin contact:** Remove contaminated clothing immediately. Flush the affected area with running water. If irritation persists, seek medical advice.\n\n**Eye contact:** Wash eyes immediately with clean, running water for several minutes. Hold eyelids open to ensure thorough rinsing. Seek medical advice if irritation continues.\n\n**Ingestion:** Do **not** induce vomiting. Seek medical advice or contact the Poisons Information Centre (Australia: 13 11 26).\n\n**Inhalation:** Move to fresh air immediately. If symptoms persist, seek medical attention.\n\n### Transport classification\n\nThe product is not classified as Dangerous Goods for transport by road, rail, air (IATA), or marine (IMDG) routes under Australian and New Zealand regulations. No special transport documentation or hazardous goods handling is required for purchasing, delivering, or carrying this product.\n\n---\n\n## Tips for best results\n\nThese are the details that separate a repair that holds from one that needs redoing.\n\n- **Never skip dampening:** Dry masonry is one of the most common reasons exterior repairs fail. A quick mist with a spray bottle before application makes a measurable difference to adhesion and long-term performance.\n- **Build deep cracks up in stages:** A single thick application regularly produces surface cracking as the outer layer cures faster than the core. Build up in layers of no more than 5–10mm at a time for a result that lasts.\n- **Investigate before you fill:** If a crack has reappeared after a previous repair, look into the underlying cause — drainage issues, structural movement, or inadequate expansion joints — before filling again. Addressing the cause is what turns a recurring problem into a permanent fix.\n- **Sand between coats:** Lightly sanding each dried layer before applying the next improves mechanical adhesion between layers and sets up a stronger finished surface.\n- **Prime before painting:** A masonry primer applied over the cured filler before topcoating improves paint adhesion and reduces the risk of the repair showing through as a different texture or sheen level. It's a small step that makes a visible difference.\n- **Choose your conditions:** Avoid application in direct hot sun, freezing temperatures, or when rain is forecast within the cure window. Extreme conditions affect how the filler cures and can undermine the finished result.\n\n---\n\n## References\n\n- [Selleys No More Cracks Exterior Brick & Render – Selleys Australia Product Page](https://www.selleys.com.au)\n- [DuluxGroup Australia – Product Safety Data Sheet Documentation](https://www.duluxgroup.com.au)\n- [Safe Work Australia – Globally Harmonised System (GHS) of Classification and Labelling of Chemicals](https://www.safeworkaustralia.gov.au/chemical-management/globally-harmonised-system-classification-and-labelling-chemicals-ghs)\n- [Australian Poisons Information Centre – 13 11 26](https://www.poisonsinfo.org.au)\n\n*Note: Specific Safety Data Sheet (SDS) documentation was referenced from manufacturer-provided product data. Readers should obtain the current SDS directly from Selleys or DuluxGroup for the most up-to-date regulatory and safety information.*\n\n---\n\n## Frequently asked questions\n\nWhat is Selleys No More Cracks Exterior Brick & Render Filler: A grey paste compound for exterior masonry repairs\n\nWho manufactures this product: Selleys, a division of DuluxGroup Australia Pty Ltd\n\nWhat form does the product come in: Paste\n\nWhat colour does the filler dry to: Grey\n\nWhat is the pack size: 500g\n\nIs this product suitable for exterior use: Yes\n\nIs this product suitable for interior use: Not formulated for interior use\n\nWhat surfaces is it designed for: Exterior masonry surfaces\n\nIs it suitable for brick repairs: Yes\n\nIs it suitable for render repairs: Yes\n\nIs it suitable for structural crack repair: No\n\nIs it suitable for expansion joint filling: No\n\nIs it suitable for flexible movement accommodation: No\n\nWhat type of cracks can it repair: Hairline and moderate surface cracks\n\nCan it repair mortar joints: Yes\n\nCan it repair spalled brick faces: Yes\n\nCan it repair minor impact damage on brick: Yes\n\nShould actively moving cracks be filled with this product: No\n\nWhat should be used for actively moving cracks: A flexible sealant or professional structural assessment\n\nWhat is the specific gravity of the product: 1.01–1.05\n\nWhat does a specific gravity just above 1.0 indicate: The paste is only marginally denser than water\n\nIs this a heavy aggregate-laden compound: No\n\nWhat is the viscosity of the product: 6,000–9,000 Poise\n\nDoes the filler slump or sag on vertical surfaces: No\n\nWhy does the filler hold shape on vertical surfaces: High viscosity of 6,000–9,000 Poise prevents slumping\n\nDoes the product have an odour: Yes, a characteristic odour\n\nIs ventilation recommended during application: Yes\n\nIs ventilation required even outdoors: Yes, especially in enclosed or sheltered areas\n\nIs the product non-combustible: Yes, under normal conditions\n\nIs the product thermally stable: Yes\n\nWhat is the skin hazard classification: Skin Sensitiser Category 1\n\nWhat is the GHS hazard statement code: H317\n\nWhat does H317 mean: May cause an allergic skin reaction\n\nCan repeated skin contact cause sensitisation: Yes\n\nOnce sensitised, can minor contact trigger a reaction: Yes\n\nWhat gloves should be worn: Nitrile gloves\n\nWhy are nitrile gloves recommended over latex: Superior chemical resistance\n\nIs eye protection required: Yes, safety glasses\n\nAre overalls recommended: Yes\n\nAre safety shoes recommended: Yes\n\nWhat should be done if skin contact occurs: Remove contaminated clothing and flush with running water\n\nShould vomiting be induced if ingested: No\n\nWhat is the Australian Poisons Information Centre number: 13 11 26\n\nWhat should be done if eye contact occurs: Wash immediately with clean running water for several minutes\n\nShould eyelids be held open during eye rinsing: Yes\n\nWhat should be done if inhaled: Move to fresh air immediately\n\nIs the product classified as Dangerous Goods for road transport: No\n\nIs the product classified as Dangerous Goods for air transport (IATA): No\n\nIs the product classified as Dangerous Goods for marine transport (IMDG): No\n\nIs special transport documentation required: No\n\nHow should the surface be prepared before application: Remove loose material, clean, and dampen the substrate\n\nWhy should the substrate be dampened before application: Dry masonry pulls moisture from filler, causing shrinkage and poor adhesion\n\nShould the substrate be saturated before application: No, only lightly dampened\n\nWhat tools can be used to apply the filler: Filling knife, putty knife, or gloved finger\n\nShould the filler be pressed firmly into the crack: Yes, to eliminate voids\n\nShould the crack be overfilled or underfilled: Slightly overfilled to account for shrinkage\n\nHow should deep cracks be filled: In multiple layers, not one thick application\n\nWhat is the recommended maximum layer thickness: 5–10mm per layer\n\nMust each layer dry before applying the next: Yes, fully\n\nCan the cured filler be sanded: Yes\n\nDoes the grey finish accept exterior masonry paint: Yes\n\nShould filler be fully cured before painting: Yes\n\nWhat happens if paint is applied before full cure: Trapped moisture undermines adhesion\n\nIs priming recommended before painting: Yes, a masonry primer\n\nWhy use a masonry primer over cured filler: Improves paint adhesion and reduces texture differences\n\nShould cracks be investigated before refilling if they recur: Yes\n\nShould layers be sanded between coats: Yes, lightly\n\nShould application be avoided in direct hot sun: Yes\n\nShould application be avoided in freezing temperatures: Yes\n\nShould application be avoided before rain: Yes, within the cure window\n\nHow should the product be stored: In cool, dry, and well-ventilated conditions\n\nShould the product be stored away from direct sunlight: Yes\n\nWhy avoid sunlight during storage: Heat and UV alter paste consistency and shorten shelf life\n\nShould the container be sealed after use: Yes, tightly\n\nShould the product be kept away from heat sources: Yes\n\nShould the product be kept away from open flames: Yes\n\nShould the product be kept away from oxidising agents: Yes\n\nIs this product job-size appropriate for small-to-medium repairs: Yes\n\nIs this product appropriate for large-scale structural repairs: No\n\nWhat job classification is this product suited for: Trade professionals and DIY users\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 No More Cracks Exterior Brick & Render Filler\n- **Manufacturer:** Selleys, a division of DuluxGroup Australia Pty Ltd\n- **Pack size:** 500g\n- **Form:** Paste\n- **Colour (dried):** Grey\n- **Specific gravity:** 1.01–1.05\n- **Viscosity:** 6,000–9,000 Poise\n- **Odour:** Characteristic odour\n- **Intended use:** Exterior masonry surfaces (brick and render)\n- **Not suitable for:** Structural crack repair, expansion joint filling, flexible movement accommodation, interior use\n- **Non-combustible:** Yes, under normal conditions\n- **Thermally stable:** Yes\n- **Skin hazard classification:** Skin Sensitiser Category 1\n- **GHS hazard statement:** H317 — May cause an allergic skin reaction\n- **Required PPE:** Nitrile gloves, safety glasses, overalls, safety shoes\n- **First aid — skin contact:** Remove contaminated clothing; flush with running water\n- **First aid — eye contact:** Wash immediately with clean running water for several minutes; hold eyelids open\n- **First aid — ingestion:** Do not induce vomiting; contact Poisons Information Centre (Australia: 13 11 26)\n- **First aid — inhalation:** Move to fresh air immediately\n- **Dangerous goods classification (road):** Not classified\n- **Dangerous goods classification (air — IATA):** Not classified\n- **Dangerous goods classification (marine — IMDG):** Not classified\n- **Special transport documentation required:** No\n- **Storage:** Cool, dry, well-ventilated conditions; away from direct sunlight, heat sources, open flames, and oxidising agents\n- **Container:** Seal tightly after use\n- **Application method:** Filling knife, putty knife, or gloved finger\n- **Deep crack application:** Multiple layers; maximum 5–10mm per layer; each layer must dry fully before next application\n- **Painting:** Accepts exterior masonry paint; filler must be fully cured before painting\n- **Sanding:** Cured filler can be sanded smooth\n\n### General product claims\n\n- Interior fillers are inadequate for exterior masonry demands\n- The formulation holds chemical integrity under normal working conditions\n- The filler delivers professional, lasting repairs\n- High viscosity makes the product reliable for professional results on vertical surfaces\n- Grey colour is a practical starting point for blending into masonry surfaces\n- Dampening the substrate makes a measurable difference to adhesion and long-term performance\n- Building deep cracks up in layers produces results that last\n- Applying a masonry primer before topcoating improves paint adhesion and reduces texture differences\n- Using an exterior-formulated product eliminates premature deterioration caused by moisture and thermal cycling\n- Investigating recurring cracks before refilling turns a recurring problem into a permanent fix\n- Nitrile gloves offer better chemical resistance than standard latex",
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