Window Putty (lineseed oil + chalk)Pro’s‣Natural Ingredients:‣Durability:‣Breathability:‣Workability:‣Traditional and Aesthetic Appeal:‣UV Resistant:Con’s‣Long Drying Time:‣Maintenance Required:‣Not Suitable for Some Modern Windows:‣Vulnerability to Damage Before Curing:‣Yellowing Over Time:‣Sensitivity to Temperature:Interior Storm WindowPro’s‣Improved Insulation:‣Cost-Effective:‣Easy Installation:‣Noise Reduction:‣Protection for Existing Windows:‣Aesthetic Appeal:‣Seasonal Flexibility:Con’s‣Limited Access:‣Aesthetic Concerns:‣Maintenance:‣Seal Issues:‣Not as Effective as Double-Glazing:‣Initial Investment:‣Potential Damage: