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. microporous stains.