Painting Exterior Woodwork and Metalwork | Edward Bulmer Natural Paint

The surface must be dry, clean, solid and coatable. Existing coatings that are non-recoatable or unstable should be completely removed by sanding or stripping. Grey or spongy wood should be sanded down to the level of the pitting. Bleeding knots on bare wood should be pre-treated with knotting solution. Suitable wood fillers should be applied before application of any paint products.

Water based Eggshell

Priming

Raw wood may be primed with a diluted coat of the top coat paint.  Dilute with water up to 20%. Allow to dry thoroughly and sand lightly before applying at least two coats of the Water based Eggshell, sand lightly between coats for best results (this is also a test to whether the surface is dry enough for the next coat).

Previously painted wood should be sanded thoroughly to provide a good key and then painted with at least two coats of Water based Eggshell. 

For composite wood materials (such as chipboard, MDF or OSB etc), woods with high levels of tannin like oak or chestnut, woods with high levels of  oils or resins, such as some tropical species, larch or red cedar or pressure treated wood, you must use our Water based Eggshell Primer followed by at least two coats of Water based Eggshell, sand lightly between coats for best results. 

Painting

Thoroughly stir and apply 2 coats evenly working in the direction of the grain, using a synthetic or mixed-fibre brush or fine-pored/short pile roller. May be thinned if necessary with up to 20% water. Sand lightly and remove dust between coats. 

Also suitable for spraying but please consult our technical sheets for precise instructions.

Drying 

Touch dry after approximately 5 hours, best to leave overnight before applying second coat. Handle with care until completely dry and protect from dust.

Too thick application, high humidity and low temperatures significantly delay the drying process. Drying is a process of oxygen uptake, ensure good ventilation during the drying period. 

 

Traditional Oil Gloss - specialist paint

The surface must be clean, solid and coatable. Thoroughly remove any grease, wax or resin with Oil Thinners. Thoroughly sand existing coatings. Non-recoatable or unstable existing coatings should be completely removed by sanding or stripping. Grey or spongy wood should be sanded down to the level of the pitting or replaced. Woods with high levels of tannin such as oak and chestnut, or natural resins such as larch and some tropical species, should be tested for suitability. Our Oil Gloss is not suitable for painting over elastic sealants. Linseed oil putty and other hardened sealants should be allowed to dry thoroughly before painting.

Priming

Raw wood should be primed with Wood Primer. Allow to dry thoroughly and sand lightly before applying one coat of Oil Undercoat, then sand lightly. For composite wood materials, check for compatibility. Prime using Penetrating Primer. If staining from glues or resins is visible apply coats of a compatible proprietary stain block. For ferrous metal, thoroughly remove corrosion then sand and degrease using Oil Thinners. Prime with Red Oxide primer or – if not susceptible to corrosion – coat directly with Oil Undercoat. Not suitable for galvanized steel or non-ferrous metals.

Painting

Thoroughly stir and apply evenly and in very thin layers in the direction of the grain, using a brush or suitable roller. If necessary the first coat can be thinned with up to 3% Oil Thinners, depending on surface and absorbency. After 24 to 36 hours (depending on the weather) finish by applying another thin layer, not diluted. Fine-sand prior to the application of each coat and thoroughly remove dust. Suitable for low or high pressure airless or air mix spraying, use sparingly and smooth off afterwards using a brush.  For full details see our Technical Sheets.

NB:  Thick application, high humidity and low temperatures delay the drying process and we advise that outdoor painting is not undertaken in the winter months.

Drying

Re-coatable after 24 to 36 hours. Fully cured after several weeks. Handle with care until completely dry and protect from dust. 

Thick application, high humidity and low temperatures delay the drying process.


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