Our exclusive epoxy putty will permanently repair and mend virtually anything in your home from wooden furniture garden ornaments and stone to sealing pipes and stopping leaks in radiators toilet cisterns and tanks or fill around a tap it will even fill and mend concrete each handy pre coloured 16goz stick contains base putty with an activator just cut off how much you need and knead the two substances together like putty in your hand when the two contrasting colours have blended into one