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Avis Build – Kolofon.bg is a specialized Bulgarian manufacturer and supplier of natural products for the treatment, protection, and preservation of wood. The company offers high-quality gum rosin, cold-pressed linseed oil, pine tar, and a 100% natural wood preservative, created using traditional technologies from the Balkan Mountains and the Rhodopes.

The company operates from Plovdiv, Brezovsko Shose, and serves customers throughout Bulgaria – carpenters, furniture makers, builders, restorers, musical instrument manufacturers, craftsmen, farms, stables, as well as private customers looking for natural and safe products for wooden structures, furniture, floors, fences, and wooden elements.

Kolofon.bg products stand out with their 100% natural origin, high purity, proven origin, and traditional extraction methods. The company relies on raw materials from the Bulgarian mountains – the Balkan Mountains, the Rhodopes, and the Aytos Balkan area, as well as high-quality imported gum rosin from Vietnam.

1. Gum rosin – premium quality

Gum rosin is one of the most valuable natural products for wood protection. Unlike tall oil rosin, which is a by-product of wood processing and has a heavy odor, gum rosin is extracted directly from pine resin. This makes it much cleaner, higher quality, and more durable.

• 100% natural product
• CAS 8050-09-7
• High abietic acid content
• Origin: Vietnam
• Excellent wood preservative
• Main ingredient in natural wood preservatives

Gum rosin is preferred by restorers, musical instrument manufacturers, artists, craftsmen, and builders seeking natural protection for wood.

2. Cold-pressed linseed oil – first press

The linseed oil offered by Kolofon.bg is cold-pressed, unrefined, without additives, and extracted at a temperature of 40–45°C.

After the 3-month period for food use has expired, the oil becomes a perfect wood preservative.

3. Pine tar – extracted in the Rhodopes

Kolofon.bg pine tar is produced in the Western Rhodopes using traditional technology that guarantees high quality, purity, and low water content. Its light brown color is a sign of proper extraction and absence of impurities.

• 100% natural product
• CAS 8011-48-1
• Low water content
• No solid particles or contaminants
• Flammable above 60°C

The tar is an excellent preservative on its own or in combination with linseed oil and rosin.

4. 100% natural wood preservative

Kolofon.bg preservative is a completely natural product, made from:

The product meets all requirements for ecological construction and is preferred by craftsmen, architects, and restorers.