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Product Description

GIB® Gapfiller is a multipurpose acrylic filler suitable for use on brick, timber, plasterboard, concrete, glass and ceramic tiles.  Provides excellent adhesion in gaps and is ideal for use on architraves and skirtings.

Technical and Environmental Benefits

Ultra Low VOC content, ie Less than 1 gram per litre, meets Green Standards NZ. This sealant is suitable for use in the BRANZ appraised GIB Board® systems.

Manufacturer Information - Winstone Wallboards

Winstone Wallboards Ltd, under the GIB brand, has been manufacturing plasterboard and related products in New Zealand since 1927. With an emphasis on technical expertise Winstone Wallboards Ltd has a variety of specialised linings and systems, manufacturing and marketing gypsum plasterboard and drywall systems. Winstone Wallboards is committed to pursuing high standards of environmental performance and have identified a number of practical ways to contribute to more sustainable construction such as recycling waste GIB plasterboard into compost.

Supplier Information - Winstone Wallboards (Supplier)

Winstone Wallboards Ltd, under the GIB brand, has been manufacturing plasterboard and related products in New Zealand since 1927. With an emphasis on technical expertise Winstone Wallboards Ltd has a variety of specialised linings and systems, manufacturing and marketing gypsum plasterboard and drywall systems. Winstone Wallboards is committed to pursuing high standards of environmental performance and have identified a number of practical ways to contribute to more sustainable construction such as recycling waste GIB plasterboard into compost.

Application and Purpose

GIB® Gapfiller is ideal for use on architraves and skirtings.

Installation and Maintenance

Apply sealant into crack or gap by pushing GIB® Gapfiller ahead of nozzle ensuring that the sealant contacts both sides of joint and is pushed firmly into place. Installation instructions must be followed as described in the GIB® Site Guide or relevant GIB® System literature.

Green Building Information Summary Sheet


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Supplier Contact Information

Winstone Wallboards (Supplier)


Manufacturer Contact Information

Winstone Wallboards