A new long-stranded, fibreglass-reinforced polyester filler is ideal for filling and bridging large holes. It has excellent adhesion properties and is both easy to sand and shape. This new long-strand, fibreglass-reinforced polyester filler is strong and ideal for bridging large holes. It adheres well, is easy to sand and shape, and is likely waterproof and non-shrinking, offering durable, impact-resistant repairs suitable for automotive, marine, and DIY applications.
Benefits:
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Strong with long fibreglass: Extra strength for big repairs.
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Fills big holes: Bridges gaps easily, often without backing.
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Sticks well: Good grip on fibreglass, metal, wood, etc.
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Easy to sand: Smooth finish possible after curing.
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Easy to shape: Can be moulded to match curves.
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Waterproof: Good for wet environments.
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Doesn’t shrink: Stable repairs.
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Tough and impact-resistant: Holds up to stress.
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Chemical-resistant: Resists some chemicals.
ULTRAFILL Product Leaflet
Download MSDS 
