To correct fugedimensionering, round with closed cellerfugebund 980 used as backing by grouting with elastic sealants, lining to ensure correct dimensioning and to sealant not booklets in groove bottom. Thus achieved improved bevægelsesmæssige properties past, the laws further durability of joint. Joint back-up 980 consists of round profiles with closed cells, past, the laws can thus used to as well exterior as interior joints. Joint back-up 980 delivered in diameters seedli 6 mm
50 Mm.
