Substrates and Surfaces - Exterior

Painting tin roofs is a simple and easy way to refresh a structure both aesthetically and structurally. Priming and painting correctly will extend the life of the tin significantly.

Wash down all with Tikkurila roof cleaning agent, 1 Part Solution: 4 parts water (depending on degree of contamination) this can be applied by brush or rag. If possible power wash and rinse with clean water.  Remove any surface rust using correct metal I.e wire brush or grinding.

Priming Options

• Rostex Super Metal Primer
• Temaprime EE  (Temaprime EE preferred on corroded surfaces)

Topcoat Options

• Panssari Akva (water-based option)
• Panssarimaali  (solvent-based option)

If you require more advice on painting over tin roofs, give our technical team a call on 0131 334 4999 or send them a message here

A common question we get asked by our customers is can you paint UPVC windows and doors? The simple answer is yes. For many homeowners, a quick way of refreshing their home exterior is by adding a new paint colour for that extra curb appeal.

Prepare surfaces by ensuring they are clean and dry, free from anything that can interfere with the application or adhesion of materials and Tikkurila products to be applied, removing loose and failing material by scraping or brushing with a stiff bristle brush to a sound edge.

Feather the sound edges with a fine grade abrasive paper, removing all visible signs of organic growth and using Tikkurila Mould Removal Solution to treat areas before allowing them to dry

Use methylated spirit to ensure the surface is free from any contaminants and anything that could interfere with adhesion, frequently changing the cloth, before priming overall with one full coat of Otex Adhesion Primer.

Apply the primer in accordance with the technical data sheet and allow it to dry.

Finish with two full coats of Panssari Akva. Follow the minimum drying times (depending on conditions as per the technical data sheet) between coats.

If you require more advice on painting over UPVC, give our technical team a call on 0131 334 4999 or send a message to us here.

Walnut is a straight-grained hardwood that ranges from chocolate brown (when it's from the center of the tree) to yellow (from the outer portion of the tree). A top pick for head-boards, ornate antique-style dining tables, and mantels, walnut is typically clear-coated or oiled to bring out its color.

Interior

Priming Options

1. Ultra Primer
2. Akvi Primer (Spray Only, Fast Drying)

Intermediate (Blocking Primers)

1. Multistop (ensure left to dry for 24 hours before topcoat). Due to the dark tannins in Idigbo, we recommend 2 coats of our blocking primers
2. Akvi Isolator (ensure left to dry for 24 hours before topcoat)

Topcoat Options

1. Everal Aqua 10, Everal Aqua 40 or Everal Aqua 80, depending on the sheen level required
2. Helmi 10, Helmi 30 or Helmi 80, depending on sheen level required
3. Akvi Top DS25

Lacquering Options

1. Kiva 10, Kiva 30 or Kiva 70, depending on the sheen level required
2. Akvilac FD-J 10

Exterior

Priming Options

1. Ultra Primer
2. Pinja Flex Combi 25

Intermediate

1. Pinja Flex Isolator (exterior blocking primer)

Topcoat Options

1. 1. Ultra Matt
   2. Ultra Classic
   3. Valtti Opaque
   4. Unica Semi-Gloss Enamel
   5. Unica Akva
   6. Valtti Teho
   7. Pinja Flex Combi 25

If you require more advice on painting over hardwoods, give our technical team a call on 0131 334 4999 or send a message here.

Assess elevation aspect, take into account direct sunlight, colour choice, drying times.

Colour choice will have a direct effect on the thermal dynamic of the timber, Accoya although durable will still bleed resin and tannin, if a dark colour is applied to an elevation which is exposed to sunlight for long periods the heating of the surface will cause a resin migration which could result in blistering. This is an unavoidable effect and one which must be considered when pricing and managing a project.

• Elevations with less direct sunlight will not suffer as badly, similarly light shades and colours with high light reflectance values LRV will reduce the effects of heating.
• Ensure surface is clean and free from mould, dirt, grease and other forms of contamination.
• Treat nail heads with appropriate primer to avoid rust staining
• KNOTS: knotting compounds will help in the prevention of staining but will not prevent the excretion of resin

Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar.

Apply one coat of Ultra Primer to all surfaces.

Allow minimum 2 hours before overcoating.

Topcoat Options

1. Ultra Matt
2. Ultra Classic
3. Valtti Opaque

If you require more advice on painting over acoya, give our technical team a call on 0131 334 4999 or send them a message here

Larch is actually one of the hardest softwoods in the world. As a result of its punishing ‘upbringing’ in sub-zero Siberia, larch has plenty of hardness and natural durability.

Because of its remarkable natural physical properties and good looks, Siberian Larch is a go-to choice for a wide range of building projects, particularly outdoors. Some of the most popular commercial and household uses for this wood include cladding, decking and fencing

• As a softwood it is always advisable to degrease the surface with Tikkurila cleaning agent in order to remove any wood oils that may be present 
• The surface to be painted must be dry, the temperature of air must be at least +5 °C and the relative humidity of air below 80 % during the application and drying. 
• Remove dirt, mould and loose particles from the surface. Wash down dirty and mouldy surfaces with Tikkurila Mould Removal solution according to the instructions 

Prime as early in the construction phase as possible. Protect rusting metal parts like nail heads with Rostex Super Akva metal primer. Remove loose resin from knots. Prime surfaces once with Ultra Primer. Finish with either Valtti Opaque 1-2 times (depending on sheen level required). Treat the end grains carefully.

If you require more advice on painting over larch, give our technical team a call on 0131 334 4999 or send a message here.

When painting a garden building or summer house, consideration must be given to the colour being used and the prevalence of knots across the surface. Unfortunately, it is almost impossible to prevent knots bleeding. Instead, it is advisable to take knots and resin bleeding into account before painting. Please see our recommended application steps below.

Process:

Wash down thoroughly, remove mould and algae growth with an appropriate cleaning agent like Tikkurila's Mould Removal Solution

Option 1 - For an opaque finish

Prime: 1 coat of Ultra Primer

Topcoat: 2 coats of Valtti Opaque.

Option 2 - For a wood stain finish

Apply 2 coats of any of the following options:

• Valtti Color                (solvent-based matt)
• Valtti Color Extra       (solvent-based semi-gloss)
• Valtti Plus Kesto        (water-based semi-matt)
• Valtti Arctic               (pearlescent finish) 

If you require more advice on painting over previously painted glossy surfaces, give our technical team a call on 0131 334 4999 or send a message to our technical team.

Most commonly, tulipwood is the greenish yellowish wood yielded from the tulip tree, found on the Eastern side of North America and also in some parts of China.

The wood is very light, but very strong and is used in many applications, including furniture, joinery and skirtings. It can also be stained very easily and is often used as a low-cost alternative to walnut and cherry in furniture and doors.

Priming Options for interior include:

1. Helmi Primer
2. Akvi Primer
3. Otex Akva

Topcoat options for interior include:

1. Everal Aqua 10, Everal Aqua 40 or Everal Aqua 80, depending on the sheen level required
2. Helmi 10, Helmi 30 or Helmi 80, depending on the sheen level required
3. Akvi Top DS25

Priming Option for exterior include:

1. Ultra Primer

Topcoat options for exterior include:

1. Ultra Matt
2. Ultra Classic
3. Valtti Opaque

If you require more advice on painting over tulipwood, give our technical team a call on 0131 334 4999 or send a message here.

Tricoya is an MDF panel that enables simple manufacturing and can be used in the most extreme environments. It is durable and stable enough for outside use.

Preparation

Sand the surface until it is smooth using your sanding block or a handheld oscillating tool with a sanding accessory. Start with 80-grit sandpaper on a rough surface to begin the process and move to the progressively finer grits of 120 and 220.

Wipe the surface clean with the dry rag to remove most of the dust created by sanding. Don't dampen the rag; the water will raise the grain and you'll have to sand again. Wipe it a second time with the tack cloth to remove the finer dust that remains.

Once the surfaces are prepared, it’s time to apply the first coat of primer.

Interior Priming Options

1. Otex Akva     
2. Helmi Primer
3. Akvi Primer (Fast drying option for spraying)    

Interior Topcoat Options

Once dry, the surface can be painted with your preferred topcoat.

1. Everal Aqua 10, Everal Aqua 40 or Everal Aqua 80, depending on the sheen level required
2. Helmi 10, Helmi 30 or Helmi 80, depending on the sheen level required
3. Empire Furniture Paint
4. Akvi Top DS25  (Fast drying option for spraying)

Exterior

Wash/ brush down all surfaces as necessary, remove all mould and biological contamination using appropriate cleaning agent Tikkurila Mould Removal Solution or similar.

Apply one coat of Ultra Primer to all surfaces.

Allow minimum of 2 hours before overcoating.

Topcoat Options

1. Ultra Matt
2. Ultra Classic
3. Valtti Opaque

If you require more advice on painting over tricoya (particularly if using in wet and humid environments), give our technical team a call on 0131 334 4999 or send them a message here

Painting your render can give your masonry a bright, new look.

Cleaning & Preparation

Clean from all atmospheric, algae, mould contamination using Valtti Mould Removal Solution (1 part solution:4 parts water).

Scrub the surface with a stiff brush to remove any loose materials or dust. Start at the top of the wall and work your way down. Leave the surface to dry.

Priming

1. Hydrosol Masonry Primer

For flat surfaces, use a regular paintbrush. For craggy or highly textured limestone surfaces, use a paint roller. Take care to dab the primer/sealer into all crevices. Using a primer/sealer helps coats of paint stick to the surface and prevents moisture and water damage. You may need to apply two coats of primer/sealer. Wait for the first coat to dry before applying the second.

Topcoat Options

1. Finngard Silicone Protect

Paint the treated surface with our masonry paint, using either a regular paintbrush for flat surfaces or a medium-nap paint roller for textured and rough surfaces. You will need to apply more than one coat of masonry paint. Wait for the first coat to dry before applying the final coat.

Note: we always recommend conducting a test on a small area before painting lime chalk render

If you require more advice on painting over lime chalk render give our technical team a call on 0131 334 4999 or send a message to our technical team.

• Wash down with Tikkurila roof cleaning agent. Alloys generally have a covering of oil from manufacturing which needs to be removed. Even after exposure to the elements, the oils can persist. It is essential to remove these oils to ensure primers and topcoats adhere correctly
• All surfaces must be dry and roughened to form a ‘key’ prior to priming. The temperature of the ambient air, surface or paint should not fall below + 5 ºC during application or drying. The surface temperature should remain at least 3°C above the dew point 
• If previously painted, remove any loose and flaking coatings and feather off any edges.
• Good ventilation and sufficient air movement is required in confined areas during application and drying

Apply basecoat of Rostex Super Akva or Temaprime EE

Suitable topcoats include Unica Akva, Unica Semi-Gloss Enamel or Panssari Akva.

If you require more advice on painting alloy, give our technical team a call on 0131 334 4999 or send them a message here.

• Asbestos is a carcinogenic silicate material commonly found in old insulation, fire-resistant boards, roofing sheets and ceiling tiles. If found it should be left untouched, appropriate authorities called and should only be disturbed, removed and disposed of by qualified licensed Asbestos removal experts. Asbestos is highly toxic if broken down into its fibrous state.
• Asbestos must not be sanded or abraded in any way which will cause the surface to break down.
• At most a light wash down may be completed with a soft brush and Tikkurila Cleaning agent, all washing residue should be collected in a sealed container and disposed of by a certified licensed asbestos removal company.

Priming Options

1. Asbestos-cement boards - If the boards are in good condition, make sure the surface is clean from dirt and grease. Spray the surface with a thin layer of ProSeal to seal the remaining dust.
2. Asbestguard – Encapsulating Primer (Interior Use only)
3. Finngard Opaque (thinned by 20%)

For Topcoating

1. Finngard Opaque

If you require more advice on painting over lead, give our technical team a call on 0131 334 4999 or send them a message here.

Ash is a light hardwood used externally generally for cladding and weatherboard

• Clean down as required using Tikkurila Cleaning agent or similar to remove any grease oil or other contamination. It is advised to apply a stain-blocking primer to untreated ash prior to top coating.  
• If previously painted, remove any loose, flaking paint with a scraper and feather off any edges. 
• Sand hard, glossy and industrially painted surfaces matt. Remove sanding dust. Fill holes and cracks and sand the filled parts.

Primer

1. Ultra Primer

Intermediate

1. Pinja Flex Isolator (Blocking Primer, Exterior)

Topcoat

1. Ultra Matt
2. Ultra Classic
3. Valtti Opaque

For wood staining ash omit primer above and apply two coats of either of the following:

1. Valtti Color
2. Valtti Plus Kesto (satin woodstain, brush/roller only)

If you require more advice on painting ash, give our technical team a call on 0131 334 4999 or send them a message here.

Remove any surface contamination. Thoroughly clean down with appropriate method using Valtti Mould Removal Solution. Rinse with clean water.

Priming

1. Thin Kilpi Roof Paint by 15% with water for priming coat

Topcoat

1. Kilpi Roof Paint (unthinned, 2 coats) Reserve enough paint for a uniform surface mixed in one container to avoid eventual variations of shade

Although unusual to paint Bronze, due to its often polished or lacquered finish, it can be very difficult to paint. Please consult our technical team for further advice on your particular project

Easy to paint and cost effective. There are two options open to customers wishing to coat these materials. If a fire classification is required please contact our technical team to discuss. 

Dust off and ensure boards are clean and free from contamination/ dirt grease etc

Option 1

1. 2 coats of Ultra Pro 30

Option 2 (higher performance)

1. Prime with Ultra Primer
2. Topcoat (x2) with Valtti Opaque

• While cedar can be painted, it is not recommended unless it is extremely weathered as it requires heavy preparation and is still prone to failure. It is a highly acidic oily hardwood and is so naturally durable it prevents proper adhesion of paint and wood stain products. In addition, if cedar is new and un-weathered resin bleeding will be an issue. 

If there is still a requirement to paint, we recommend using a non-filming forming coating like Valtti Color

• Ensure the surface is degreased thoroughly first with Tikkurila cleaning agent. Ensure you use a white rag and keep degreasing until no residues are present on cloth 
• Also ensure the surface is degreased with cellulose thinner to remove the surface oils. 

Painting corrugated iron sheets particularly sheets used in roofing is a simple and easy way to refresh a structure both aesthetically and structurally. Priming and painting correctly will extend the life of the sheets significantly.

Wash down all sheets with Tikkurila roof cleaning agent, 1 Part Solution: 4 parts water (depending on degree of contamination) this can be applied by brush or rag. If possible power wash and rinse with clean water.  Remove any surface rust using correct metal I.e wire brush or grinding.

Priming Options

• Rostex Super Metal Primer
• Temaprime EE  (Temaprime EE preferred on corroded surfaces)

Topcoat Options

• Panssari Akva (water-based option)
• Panssarimaali  (solvent-based option)

Gutters and downpipes are a significant fixed feature on your house and are also one of the most difficult to paint.

To make matters worse, if you don’t do the job right, you will probably find that you need to re-paint your gutters and downpipes long before you have to paint your house again.

The two common things some people get wrong when painting gutters is choosing the wrong type of paint and not preparing the surface properly before painting.

The two most common materials gutters are made from are cast iron and UPC. Both of these require different preparation treatment and different types of paint.

Tips for Repainting

When you want to repaint your gutters, you will need to do some extra preparatory work:
• Scrape off all loose, flaking and peeling paint.
• Using a foam wet-dry sanding block, sand the sheen off of the remaining paint.
• Thoroughly wash the guttering. Soap it down with Tikkurila's Cleaning Agent using a sponge and then rinse completely. If possible, get up on a ladder and rinse from the top down. This way, you will be sure to remove all the debris and soap residue.
• When repainting gutters, give them a coat of primer first, as you do with new gutters.

Unless you’re repainting in the same colour, it’s best to remove the down pipes so you can repaint them thoroughly. It’s almost impossible to paint the backs of down pipes when they’re attached to the house.

Priming

1. Rostex Super Metal Primer or Temaprime EE (cast iron)
2. Otex Adhesion Primer (UPVC)

Topcoat

1. Temalac FD20, Temalac FD50, Temalac FD80 or Panssarimaali (cast iron)
2. Panssari Akva (UPVC)

When painting fencing consideration must be given to the colour being used and the prevalence of knots across the surface. Unfortunately, it is almost impossible to prevent knots bleeding, it is advisable to take knots and resin bleeding into account before painting new fencing

Wash down thoroughly, remove mould and algae growth with an appropriate cleaning agent like Tikkurila's Mould Removal Solution

For an opaque finish

Apply 2 coats of Ultra Pro 30

Note, the minimum size on Ultra Pro 30 is 10 litres, use Ultra Primer and Valtti Opaque if smaller quantities are required)

For a woodstain finish

Apply 2 coats of:

• Valtti Color                (solvent-based matt)
• Valtti Color Extra       (solvent-based semi-gloss)
• Valtti Plus Kesto        (water-based semi-matt)
• Valtti Arctic               (pearlescent finish)

If you require more advice on painting over previously painted glossy surfaces, give our technical team a call on 0131 334 4999 or send a message to our technical team.

Fibreglass can be tough to paint over as it needs to be suitably prepared and primed for topcoats to properly adhere and stick to the surface.

Prepare surfaces by ensuring they are clean and dry, free from anything that can interfere with the application or adhesion of materials and Tikkurila products to be applied, removing loose and failing material by scraping or brushing with a stiff bristle brush to a sound edge.

Feather the sound edges with a fine grade abrasive paper, removing all visible signs of organic growth and using Tikkurila Mould Removal Solution to treat areas before allowing them to dry

Use methylated spirit to ensure the surface is free from any contaminants and anything that could interfere with adhesion, frequently changing the cloth, before priming overall with one full coat of Otex Adhesion Primer.

Apply the primer in accordance with the technical data sheet and allow it to dry.

Finish with two full coats of Panssari Akva. Follow the minimum drying times (depending on conditions as per the technical data sheet) between coats.

NB. Valtti Opaque and Unica Semi-Gloss are also suitable as topcoats if preferred

If you require more advice on painting over fibreglass, give our technical team a call on 0131 334 4999 or send a message to our technical team.