FILL IT
One-component, multi-purpose, self-expanding polyurethane foam filler.
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Features & benefits
Bostik Fill It Expanda Foam is a one-component, multi-purpose, self-expanding polyurethane foam filler. It will not shrink while curing to an airtight, moisture-resistant seal. Bostik Fill It Expanda Foam can be used for a wide range of scenarios, such as filling large holes or gaps, blocking out noise or wind gusts, keeping out insects or birds, window and door frame insulation, or insulating pipes.
The included straw adapter aids easy application of the filler foam.
- Interior or exterior usage
- Fills large or small gaps
- Seals, fills, bonds, and insulates
Downloads & resources
Bostik DIY Australia Insulate - Fill It Technical Data Sheet (130.36 KB)
Bostik DIY Australia Insulate - Fill It Safety Data Sheet (97.4 KB)
How to Use
Preparation
- Ensure all surfaces are clean, dry and free from dustand grease. Remove all loose materials (including old filler) from the areas to be filled.
- Moisten surfaces with a water sprayer prior to application to optimise expansion and adhesion.
Application
- Shake aerosol can vigorously for at least 20 seconds.
- Screw straw applicator onto can.
- Fill holes and cavities to 65% as foam will expand.
- Shake can regularly during application.
- If you need to work in layers, moisten each layer before applying the next layer.
- Cures at a rate of 1 hour per 30mm bead at 20◦
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