Description
Description & Uses
Cromar Alpha Chem Professional Decorators Caulk 300ml is a flexible water based filler and
sealant that is easy to apply, dries quickly and can be overpainted with most emulsion and
oil based paints. For interior use. Contains Powerful Anti ‐ Fungal compound to prevent
mould growth.
Ideal for:
Sealing and filling of interior gaps and cracks where movement can occur, such as
those between plasterwork and window and door frames, skirting boards and
architraves.
Use prior to painting or papering to prevent unsightly cracks developing later.
Directions
Ensure all surfaces are clean, sound, dry and free from dust, grease or other
contaminants. Old silicone should be removed using a silicone remover.
Fill any gaps or voids with Alpha Chem Expanding Foam or suitable backing tape or
rod.
Cut thread and then the nozzle to the required size.
Apply sealant with a sealant gun and tool down using a spatula wetted with soapy
water within 5 minutes of application.
Tools should be cleaned with water prior to product curing.
Overpaintable with emulsion paints after 1‐2 hours providing a skin has formed.
For oil based paints allow 24 hours before painting. We recommend compatibility
tests prior to application – during cure some shrinkage can occur which can cause
cracking of the paint.
It is the user’s responsibility to dispose of all packaging correctly.
Cleaning
Tools should be cleaned after use with water. Hand should be cleaned with Cromar
Alpha Chem Grafters All Trades Wipes.
Storage
Store in cool, dry conditions between +5°C and +25°C, off the floor.
Shelf Life
18 months when stored in original, unopened packaging.
Limitations
Among others not recommended for continuous water immersion and not for use on PE, PP,
PTFE, PC, PMMA, soft plastics, neoprene and bituminous surfaces.
Painting over with highly filled emulsion paints can cause cracks in the paint film. Adhesion tests
prior to application are recommended.
It is the user’s responsibility to determine suitability for use.
Full Safety Data Sheet available on request.
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