The short answer; you must. The long answer is; why and how.
Firstly, don't use the treated pine that you would buy at your favourite hardware store. Not even timber with the gentler alkaline based preservative.
When untreated pine is exposed to moisture, various organisms will attack and rot the wood. Even in well painted pine, a nail or screw into the timber can provide access for moisture and these organisms can, in less than two years, reduce your newly assembled brood box, honey super or lid to crumbling waste material. All pine is subject to rot. Therefore bottom board risers, clearer board rims and box cleats must also be treated.
There are two methods to treat pine that will be used as part of a hive:
1. Dip the timber in liquid bees wax.
2. Soak the material with boiled linseed oil thinned with mineral turpentine. Note that drying time can vary from 1 week to 6 weeks depending on the weather conditions.
Both of these methods should be followed by painting the exterior of the hive. Use a suitable primer and two coats of exterior grade paint. While white is the traditional colour of a hive, you might want to express your individuality when choosing your paint.
Meeting Address: Doncaster Secondary College, 123 Church Rd, Doncaster 3108