Master varnish formulas and practical recipes for ironwork, furniture, and crafts.
This edition presents time-tested mixtures for weather-resistant coatings, including No. 1 and No. 2 asphaltum varnishes and a cheaper No. 3 for general use. You’ll see how to combine asphaltum with turpentine, coal-tar naphtha, rosin, and oil to tune toughness and drying time. Also included are instructions for turpentine varnish and a liquid zinc drier, with notes on color, drying speed, and what to adjust for different materials.
The pages cover step-by-step preparation, cooking temperatures, and cooling sequences to help you recreate durable finishes. It also explains how changing the oil or varnish components affects hardness, dryness, and shade. The information is presented in direct, practical terms for makers working with finishes and coatings.
- Formulas and proportions for several varnish types, including asphaltum blends and turpentine varnish
- Guidance on drying times and how to adjust for faster or slower drying
- Techniques for preparing and using a zinc drier and related additives
- Practical notes on selecting oils, rosin, and solvents to shape finish properties
Ideal for readers who restore, maintain, or create varnishes for wood and metal projects, or who want hands-on, recipe-based guidance.