Instant Filler – White 280ml. 151 Instant Filler, ready mixed, no shrinkage, sagging or cracking after use. Ideal for indoor and outdoor repairs. 151 Instant Filler, sand down plaster, plasterboard, brick wood or stone, remove dust and debris. Fill with 151 Instant Filler and it will dry quickly, white and smooth. 151 Instant Filler, suitable for a wide range of indoor and outdoor repairs. Always ensure area is clean and dry before applying. Sand after filler is dry if required. 151 Instant Filler, use around the home indoors and out to repair cracks, fill holes and gaps.