We have a 9 year old stone built property, the original windows on the house were masticed in I belive, it quite a thick sealant almost like a hard putty and quite thick in areas, good at filling the gaps between the stone and the frame, having just had a stone extension built we want to match the new windows and door sealant to the main house, does anyone know a good mastic man in the northants area? thanks in advance
