FLEXIBLE FILLER FOR GAPS & CRACKS: FILL-FLEX is a highly flexible filler for gaps and cracks, perfect for skirting and architraves where movement is possible - its flexible formula moves with the substrate and won't crack. Suitable for new and renovated surfaces and it adheres to paintwork with no need to spot prime. Suitable for both internal and external use.
Highly flexible: will not crack
Adheres to plaster, masonry, primed wood & paintwork