It is designed for filling gaps, cracks, holes, and imperfections in various surfaces, including plaster, wood, brick, concrete, and more - an effective sealant for sealing joints and gaps., It is suitable for both interior and exterior applications, providing versatility for a wide range of projects., Everbuild Flexible Filler is commonly used for repairing cracks, gaps around windows and doors, skirting boards, architraves, and other trim elements. It can also be used for ceiling and wall repairs.