Butyl Glazing Compound is specially formulated for glazing double glazed units into timber window frames where a timber bead is to be used. Suitable for both soft and hardwood frames.-Elastic formulation - moves with the frame.-Easier to apply than most competitive putties.-Extended shelf life-Added plasticiser improves adhesion and helps prevent cracking. -Suitable for use with laminated/heat absorbing glass.-Bedding insulated glass units-Glazing greenhouses (metal and timber)- Unsuitable for plastic frames, or frames treated with decorative.