► GSA | Fillers & Puttys

Smooth Repairs & Professional Surface Finishing for Trade Projects Strong finishes begin with solid foundations — GSA Fillers & Puttys give professionals the reliability & workability needed for patching, levelling & restoring surfaces before coating. Designed for construction, automotive & maintenance applications, this range provides fast-setting, easy-sanding performance across timber,...

Smooth Repairs & Professional Surface Finishing for Trade Projects

Strong finishes begin with solid foundations — GSA Fillers & Puttys give professionals the reliability & workability needed for patching, levelling & restoring surfaces before coating. Designed for construction, automotive & maintenance applications, this range provides fast-setting, easy-sanding performance across timber, plaster, metal & masonry.

The Builders Filler 500g offers versatile repair for cracks & holes in wood, plasterboard & concrete. The Fast Filler 260g delivers rapid-setting strength for quick maintenance work. The Uni Filler 2L / 4kg covers large surface imperfections with smooth, durable finish results. The Timber Filler 0.75L / 1.2kg is ideal for carpentry & joinery applications, while the Super Filler 2L / 2.6kg handles deep repairs with trade-grade consistency. The Powder Fillers (454g & 6kg) offer economical bulk coverage for interior finishing, & the Fine Filler 0.75L / 1.2kg provides smooth detailing for fine topcoats. The Body Filler Hardener 50g ensures consistent cure performance with polyester-based compounds.

Use alongside Surface Prep & Paint for priming & coating, Adhesives & Sealants for jointing & bonding & Drywall & Plastering Supplies for compound application & finishing tools. Combine with Protective Gloves for safe handling, Work Safety Protections for PPE compliance, Tool Storage for material organization & Cleaning Accessories for workspace prep. Supported by Same-Day Dispatch, Trade Support Solutions & Industrial Shed’s Trade Guarantee, GSA Fillers & Puttys deliver smooth, professional results every time.

What’s in This Collection:

► Builders Filler 500g
‣ Multi-purpose trade filler for repairing timber, plasterboard & masonry surfaces

► Fast Filler 260g
‣ Rapid-drying filler ideal for patching small holes & cracks during maintenance work

► Uni Filler 2L / 4kg
‣ General-purpose filler for broad coverage on walls, ceilings & interior finishes

► Timber Filler 0.75L / 1.2kg
‣ Wood-specific filler formulated for sanding, staining & painting

► Super Filler 2L / 2.6kg
‣ High-strength filler for deep cracks, holes & heavy-duty patching

► Powder Filler 454g & 6kg
‣ Economical powder compound for large-area wall repair & levelling

► Body Filler Hardener 50g
‣ Reliable curing agent for polyester & auto body filler systems

► Fine Filler 0.75L / 1.2kg
‣ Smooth topcoat filler for final surface preparation before finishing

 

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  • GSA - Builders Filler 1kg | BF1KG
    GSA - Builders Filler 1kg | BF1KG
    Introducing the GSA - Builders Filler 1kg | BF1KG – your ultimate solution for achieving flawless finishes in construction and renovation projects. This versatile filler is engineered to address common challenges faced by builders and tradespeople, ensuring a smooth, professional appearance for any surface....
    $28.99
    $33.20
    $28.99
  • GSA - Expanding Foam Gun Grade 750ml | 13214
    GSA - Expanding Foam Gun Grade 750mL | 13214
    The GSA - Expanding Foam Gun Grade 750ml | 13214 is your go-to solution for a range of construction and mechanical applications. This high-performance expanding foam is specially formulated to create airtight seals, making it an essential tool for tradespeople tackling insulation, filling gaps,...
    $17.17
    $19.60
    $17.17
  • GSA - Expanding Foam Fire Rated - 750ml | 13211FRG
    GSA - Expanding Foam Fire Rated - 750mL | 13211FRG
    When it comes to ensuring fire safety and structural integrity, GSA - Expanding Foam Fire Rated - 750ml | 13211FRG is the ultimate solution for tradespeople working in construction, mechanics, and industrial applications. This expanding foam is specifically designed to seal gaps and joints...
    $32.47
    $37.10
    $32.47
  • GSA - Expanding Foam 750ml | 13211
    GSA - Expanding Foam 750mL | 13211
    GSA - Expanding Foam 750ml | 13211 – Engineered for Heavy-Duty Trades When it comes to ensuring structural integrity in construction and repairs, the GSA - Expanding Foam 750ml | 13211 is your go-to solution. This high-performance foam is designed to fill gaps and...
    $17.17
    $19.60
    $17.17
  • GSA - Expanding Foam 500ml | 13210
    GSA - Expanding Foam 500mL | 13210
    Introducing the GSA - Expanding Foam 500ml | 13210 – the ultimate solution for tradespeople facing challenging sealing and insulation tasks. Designed specifically for mechanics, construction workers, and industrial applications, this expanding foam is engineered to provide optimal performance in demanding environments. 💡 With...
    $10.37
    $11.90
    $10.37
  • GSA - Ulta Flex Acrylic Gap Filler - White 450g | 6465UF
    GSA - Ulta Flex Acrylic Gap Filler - White 450g | 6465UF
    Introducing the GSA - Ultra Flex Acrylic Gap Filler - White 450gm | 6465UF, your go-to solution for tackling those frustrating gaps and cracks that can undermine the integrity of your projects. Whether you’re a mechanic, builder, or involved in industrial maintenance, this premium...
    $5.53
    $6.30
    $5.53
  • GSA - Speed Coat Gap Filler 450g | 6465SC
    GSA - Speed Coat Gap Filler 450g | 6465SC
    Introducing the GSA - Speed Coat Gap Filler 450gm | 6465SC – your ultimate solution for seamless finishes in heavy-duty trades. Whether you are a mechanic, builder, or fleet maintenance professional, this gap filler is designed to tackle the toughest challenges on-site, ensuring a...
    $5.53
    $6.30
    $5.53
  • GSA - Gap Attack 440g | 6465GA
    GSA - Gap Attack 440g | 6465GA
    GSA - Gap Attack 440gm | 6465GA – Engineered for Heavy-Duty Trades When it comes to tackling tough gaps and imperfections in various surfaces, the GSA - Gap Attack 440gm | 6465GA rises to the occasion. This premium-grade gap filler is designed specifically for...
    $3.91
    $4.40
    $3.91

Reliable, Fast-Setting & Easy to Finish

From wall repairs to detailed timber restoration, GSA Fillers & Puttys deliver the smooth, dependable performance professionals demand. Each formula sands easily, dries fast & maintains excellent adhesion under paint or sealant systems. With consistent texture & long-term durability, these fillers make surface restoration cleaner & faster across every trade.

Pair with Surface Prep & Paint for finishing, Adhesives & Sealants for bonding & Drywall & Plastering Supplies for jointing tools. Add Protective Gloves for handling, Work Safety Protections for site safety, Tool Storage for organization & Cleaning Accessories for final cleanup. Supported by Same-Day Dispatch & Trade Support Solutions, Industrial Shed keeps professional finishing simple, smooth & efficient.

► Easy to apply, fast-drying fillers for timber, plaster & masonry
► Smooth sanding & paint-ready finishes for trade applications
► Available in powder, liquid & ready-mix options
► Consistent performance for patching, levelling & repair work
► Backed by Industrial Shed’s Trade Guarantee & Parts Support

Frequently Asked Questions

Yes. Many GSA formulations are weather-resistant & ideal for both indoor & outdoor trade applications.

Absolutely. Once cured & sanded, fillers can be coated using products from Surface Prep & Paint for lasting finishes.

Powder fillers allow adjustable consistency & coverage, while ready-mixed options like Builders Filler save time for quick repairs.

Brands

GSA

GSA