GSA Builders Filler

Repair and restore with Prep Plaster Filler Interior & Exterior, a versatile plaster filler designed for DIY enthusiasts, home renovators, and contractors. This fast-drying, gypsum-based wall repair filler delivers a smooth, crack-resistant finish on interior and exterior surfaces like drywall, plaster, concrete, and brick. Perfect for filling cracks, holes, and dents, it’s easy to apply, sand, and paint for a seamless, professional look. Its durable formula withstands weather, making it ideal for both indoor and outdoor repairs. The resealable bag includes clear instructions for hassle-free use. Key Features: Fast-drying plaster filler for quick repairs. Smooth, crack-resistant finish for flawless results. Suitable for interior and exterior surfaces. Easy to sand and paint for a professional look. How to Use: Mix 2 parts Prep Plaster Filler with 1 part water in a clean container. Stir until smooth (1-2 minutes). Apply to clean, dry surfaces using a putty knife or trowel. Smooth and let dry for 20-30 minutes; sand if needed. Paint or seal once fully cured (1-2 hours).

Repair cracks effortlessly with Dr. Fixit Crack-X Powder 1kg, a high-performance crack filler powder designed for DIY enthusiasts, home renovators, and contractors. This cement-based, polymer-modified wall crack filler is ideal for filling 3-5mm static cracks in plastered surfaces, both interior and exterior. Its non-shrink formula ensures a durable, smooth finish with excellent adhesion to plaster, concrete, and masonry. Perfect for leveling walls before tiling or painting, this plaster repair powder enhances surface durability and paint quality. The 1kg resealable bag includes clear instructions for easy mixing with water. Key Features: Non-shrink crack filler powder for lasting repairs. Fills 3-5mm static cracks in plaster and masonry. Strong adhesion to concrete, plaster, and other surfaces. Dries to a smooth, paintable finish. How to Use: Clean surface, removing loose debris, oil, or grease. Mix 2.5 parts Dr. Fixit Crack-X Powder with 1 part water by volume for crack filling (or 2:1 by weight for leveling). Apply with a spatula or putty knife, pressing into cracks. Smooth with a wet finger or tool for a concave finish. Allow 3 hours to set at 25°C; paint after 24 hours.

Repair with confidence using Nordsjö Professional Exterior Super Filler 500ml, a premium exterior filler designed for DIY enthusiasts, professional painters, and contractors. This non-shrink, non-sag crack filler effortlessly fills holes and cracks up to 10cm deep in brick, stone, wood, fibre cement, render, concrete, polystyrene, plasterboard, and more. Ideal for interior and exterior repairs, its excellent adhesion and non-slump formula make it perfect for vertical and overhead applications like ceilings. Paintable in just 2 hours with water-based paints, it delivers a slightly coarse, light grey finish that’s easy to sand after 24 hours. The 500ml tub includes a safety cap and clear instructions. Key Features: Non-shrink, non-sag exterior filler for durable repairs. Fills holes up to 10cm deep in multiple surfaces. Paintable in 2 hours (water-based) or 48 hours (oil-based). Accepts nails, screws, and drilling for versatile use. How to Use: Ensure surfaces are clean, dry, and free of dust, grease, or loose material. Mix Nordsjö Professional Exterior Super Filler well before use. Apply firmly into holes or cracks with a filling knife; for a smooth finish, use a damp knife. For holes deeper than 5cm, apply in layers, allowing drying time between applications. Paint after 2 hours (water-based) or sand after 24 hours if needed.

Overview GSA Gap Attack 440g is the go-to acrylic gap filler for tradies and serious DIYers who want a clean, flexible seal that actually lasts. It pumps into gaps up to 25 mm, stays flexible, resists water and takes paint perfectly—ideal for skirting, architraves, windows, doors or any crack that needs sealing inside or out. Why You’ll Love It Fills big gaps (up to 25 mm) without sagging or shrinking. Paintable in 1–2 hours so you can finish the job the same day. Water-resistant and flexible—handles movement and weather without cracking. Built for Real Work Australian-made premium acrylic formula that guns on smooth and cures tough. Sticks to plaster, brick, timber, masonry and most building surfaces. Once cured it’s mould-resistant and stays put for years—proper sealant that painters and chippies have trusted on thousands of jobs without callbacks. Perfect For Tradies sealing skirting, cornices, window reveals and expansion joints. DIYers patching cracks, filling around doors or prepping walls for painting.

Seal, insulate, and fill with confidence using the GSA Expanding Foam 500ml, a versatile expanding foam perfect for contractors, DIY enthusiasts, and construction professionals. This moisture-curing polyurethane foam self-expands to fill gaps, cracks, and cavities, adhering strongly to common building materials like wood, metal, concrete, and more. Ideal for sealing around windows, doors, pipes, and cladding, this gap filler foam offers excellent resistance to water, heat, and ageing for long-lasting results. The included straw applicator ensures precise, easy application, even in hard-to-reach areas. Whether you’re insulating walls, soundproofing spaces, or filling voids, this insulation foam enhances energy efficiency and structural integrity. Key Features: Self-expanding polyurethane foam for filling gaps and cracks. Strong adhesion to wood, metal, concrete, and other surfaces. Resistant to water, heat, and ageing for durable performance. Easy-to-use straw applicator for precise application.

Overview Got a wall screaming for a smooth fix or a crack that's got your reno on hold? The GSA Multi Purpose Total Jointing Compound 1.5kg steps in like that reliable mate who shows up with the tools—smooths out plasterboard joints, fills holes, and leaves everything paint-ready without the headache. Whether you're patching up battle scars or topping off a fresh install, this tub's got the goods for walls that actually stay straight. Why You’ll Love It Versatile as hell—beds tape, feathers edges, or patches cracks in one easy go Spreads like butter for that seamless finish, no lumpy surprises or endless sanding Quick-dry vibes mean you're back at it sooner, not staring at wet walls all day Built for Real Work This ready-mix wonder's packed with the adhesion and workability that laughs off dodgy jobsites—none of that watery slop from the cheap tubs that cracks come morning. GSA formulates it tough for Aussie builds, locking in joints over base coats or standing solo for repairs, so your plasterboard holds up to knocks and humidity without bubbling or peeling. Solid, no-nonsense stuff that gets the job done right the first time. Perfect For DIYers smoothing out bedroom walls or garage fixes on the cheap Tradies knocking over interior jobs needing fast, flawless jointing

Overview Staring down a dodgy plasterboard joint or a pesky crack that's mocking your reno? Grab the GSA Jointing Tape 50mm x 20m—your quick-fix mate that sticks like it means it and keeps walls looking sharp without the drama. It's the no-fuss way to bed in those seams or patch up holes, turning weekend warriors and full-time tradies into finish pros. Why You’ll Love It Self-adhesive grip that goes on clean, no compound needed upfront—saves you time and hassle Mesh design locks in tight, fighting cracks before they start for walls that stay put 20m roll hits the sweet spot for smaller jobs, without wasting a metre Built for Real Work This GSA tape's fibreglass mesh is tough as nails, flexing with the build but strong enough to reinforce joints under compound coats—none of that flimsy stuff that bubbles or peels on you mid-job. It's GSA quality, so it handles Aussie humidity and knocks better than cheap imports that quit after one go. Straight-up reliable for seamless plasterboard work. Perfect For DIYers patching walls or setting minor joints in home renos Tradies on quick repairs or interior fit-outs needing speedy, solid adhesion

Transform your plastering projects with Plaster Mate 3 in 1 Joint Compound Cement 1kg, a versatile joint compound cement from Prep Productions, ideal for DIY enthusiasts, contractors, and home renovators. This lightweight, fast-drying plasterboard filler is specially formulated for three key uses: fixing cornices, patching cracks, and serving as a base coat for plasterboard. Its smooth consistency and superior adhesion ensure professional-quality results on plasterboard, concrete, and masonry surfaces. Easy to sand and paint, this crack repair cement delivers a flawless finish for walls and ceilings. The 1kg resealable bag includes clear instructions for easy mixing with water. Key Features: Lightweight, fast-drying joint compound cement for efficient repairs. Fixes cornices, patches cracks, and acts as a plasterboard base coat. Superior adhesion for strong, lasting bonds. Easily sanded and paintable for a smooth finish. How to Use: Clean surfaces, removing dust, grease, or loose debris. Mix 2 parts Plaster Mate 3 in 1 Joint Compound Cement with 1 part water to a smooth paste. Apply with a trowel or putty knife to cracks, cornices, or plasterboard. Smooth surface and let dry for 20-30 minutes; sand if needed. Paint or finish after full cure (1-2 hours).

Overview The GSA Glue Screws Construction Adhesive 320g is a high-performance, one-component adhesive sealant that delivers strong initial grab and superior bonding for a wide range of materials. Ideal for fixing skirting boards, timber, PVC, masonry, steel, concrete and more, it's the reliable choice for jobs where you need a tough hold that sets fast without the need for mechanical fasteners. Why You’ll Love It Strong initial grab holds materials in place without clamps or supports. Versatile bonding suits wood, PVC, metal, masonry and concrete for multi-material jobs. One-component formula means no mixing—just gun it on and get to work. Built for Real Work This premium adhesive sealant is engineered for demanding construction applications, providing a durable, weather-resistant bond that stands up to Aussie conditions. Apply with a standard caulking gun for precise control, and it cures to a flexible seal that won't crack under movement—tough kit that's become a staple for chippies and builders on site. Perfect For Tradies installing skirting, trim or panels on renos and site builds. DIYers bonding materials around the home without nails or screws.

Overview That cornice refusing to stick up there like it should, leaving you with a wonky ceiling line mid-reno? Enter the Plastermate Cornice Cement 2.5kg—your high-tack hero that glues those mouldings to plasterboard without a hint of slump or drama. It's the tub that sorts the fiddly bits, from roses to fibrous centres, so your walls go from rough to refined without the swearing. Why You’ll Love It Bonds like a vice—holds cornices firm on walls or ceilings, no slipping while you grab the next piece Doubles as a cheap-as filler for broad patches, saving you from juggling multiple tubs Ready-to-slap consistency that spreads easy and dries fast, so you're not babysitting it all afternoon Built for Real Work This Tradeline formula's got the grunt with superior tack that outgrips the watery stuff from the discount bin—none of that peeling off after a day in the Aussie mugginess. It's engineered for solid holds on plasterboard, handling the weight of decorative bits without cracking under pressure, and sands smooth for that pro paint job. Straight-up reliable, no shortcuts for jobs that need to last. Perfect For DIYers jazzing up lounge rooms or bedrooms with fancy cornices Tradies on interior fit-outs needing quick, no-fail fixes for mouldings and patches