Bartoline's Multi-Purpose Linseed Oil Glazing Putty (1kg) is a natural, time-tested formula for both professional tradespeople and DIY enthusiasts. Crafted with high-quality linseed oil and fillers, this putty excels at glazing wood and metal window frames, bedding single glass into various frames, and even works on concrete or stone (after proper sealing). It's easy to apply, paintable, and provides a long-lasting, weatherproof seal. Breathe new life into your windows and frames with Bartoline's trusted linseed oil putty!