Alpha Chem Professional Decorators Caulk White 300ml is a flexible, water-based filler and sealant primarily used for sealing and filling interior gaps and cracks before decorating, helping to create a smooth, professional finish. It is ideal for use around skirting boards, window and door frames, architraves, and plasterwork where slight movement may occur, as it remains flexible after drying to prevent cracking. The caulk is easy to apply, dries quickly, and can be overpainted or wallpapered, making it perfect for preparation work prior to painting or finishing surfaces. Additionally, its anti-fungal properties help resist mould growth, ensuring clean, long-lasting results in interior environments.
Application & Limitations:
Alpha Chem Professional Decorators Caulk White 300ml is a versatile, water-based acrylic sealant designed primarily for interior use, ideal for sealing gaps and cracks between skirting boards, door frames, window surrounds, plaster, brick, and drywall prior to painting or wallpapering. It provides a smooth, flexible finish that can be overpainted once dry, making it especially suitable for decorative finishing and minor joint filling where slight movement may occur. However, its use is limited to low-movement joints and interior environments, as it is not fully waterproof or suitable for areas exposed to continuous moisture, such as bathrooms or external applications. It also has limited flexibility compared to silicone sealants, meaning it may crack under significant movement or structural stress, and it is not recommended for use on non-porous surfaces like glass or metals where adhesion may be poor.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
|
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
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| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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