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GSA Super Filler



Regular price $8.75


GSA Super Filler is a ready to use filler suitable for all large patching jobs either interior or exterior. It adheres well to concrete, mortar, timber and plaster.

Recommended Uses:

Use on mortar, timber, concrete and plaster. Ideal for patching large cracks and holes. Can be sanded if a smooth finish is required. SUPER FILLER MUST NOT BE USED AS A SKIM COAT.


Ensure all surfaces are clean, dry and free from dust and grease. Remove all loose and flaking materials (including old filler) from the areas to be filled. Always prime exterior timber prior to filling.


Apply a small amount of filler onto a flexible filling blade. Apply in thin layers, pressing firmly into the area being filled, and remove any excess filler. Dries in 2-3 hours in thin applications, 5-6 hours in deep cracks, depending on atmospheric conditions. Sand with 120-180 grit sandpaper if a smooth finish is required. GSA Super Filler can be primed with water or oil based primer prior to top coating.


Use GSA Acrylic Gap Filler where movement occurs. If filling very large holes, use GSA Builders Filler with a relevant filling agent.

FREE SHIPPING on orders over $100 to NSW, ACT, QLD & VIC

Orders Under $100

$17.50 to QLD, NSW, ACT, VIC

$29 to SA

$39 to TAS, NT, WA.

Our Shipping rates may change from time to time. Your shipping rates will always show at checkout after you input your address.




All other products that are NOT JB's wear will be processed within 2 business days.

All JB's wear orders 4-7 business days processing time.


Returns Policy Summary 

Change of Mind

Unopened & in original condition can be returned for a full refund within 14 days of receipt of goods. The Return Authority form must be completed within 7 days of receipt of goods to be eligible.


Opened & used 

We do not issue refunds for opened and used products.


Possible Defects

12 Month warranty on all products. Please refer to our Returns Policy & Returns Authority Form.



 For all returns please complete the Returns Authority Form