Roof tar contains linseed oil, pine tar, and pine turpentine. Roof tar is absorbed into the wood, where it inhibits the effects of rot, mould, and blue stain fungi. Roof tar gives the wood an attractive dark brown, transparent, and water-repellent surface. Consumption of the roof tar is between one and three litres per square metre, depending of the material of the roof.
Areas of application: Wooden roofs, shingle and chip roofs, shake roofs, etc, eaves.
Roof tar is perfect to use as a final finish for wooden roofs, since it contains a large percentage of pine tar and leaves a thin protective layer on the surface of the wood.
Roof tar oil may be used as a base before applying roof tar.
Ingredients: Pine tar, linseed oil, pine turpentine
Colour: Dark brown (at least 70% pine tar)
Pre-treatment: It is important that the wood material that is to be treated is dry, with a maximum wood moisture level that is below 21% and a relative air humidity that is below 80%. Clean any old treatable surfaces of any dirt, mould, and removable materials. Prime the surface with Ecobase.
Instructions for use: Pine turpentine may be used as the solvent. Mix carefully before and during application. Apply the material in thin layers with a brush and allow it to be absorbed. Excess material that is no longer being absorbed can be wiped off if necessary. Between one and three finishing layers will be required, depending on the quality of the wooden surface and its purpose of use. Finish end cuts of wood with special care. A new finish should be applied after a year, if necessary.
Roof tar is not recommended for varnished or painted surfaces. Its use for any other purpose and contrary to the advice given here is not recommended.
Drying time: Between five to four days, depending on the substrate and weather conditions.
Cleaning equipment: Pine turpentine