Caparol CapaSilan Interior Dead Matt Paint - White

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Caparol CapaSilan is a premium water-based paint formulated with advanced silicone resin technology, delivering a flawless flat matt finish, even under the most challenging lighting conditions.

Developed with large surfaces in mind, it has been engineered with a very fine paint structure, which gives the finish extremely low reflection properties, for luxuriously smooth and uniform deep matt results in any light.  Its long open time and excellent application properties make it ideal for large surfaces, allowing seamless, streak-free application without visible roller marks. With excellent touch-up properties, CapaSilan ensures a smooth, elegant finish on walls & ceilings, easy to maintain.

Low odour, solvent-free and unplasticized, it’s a reliable and eco-friendly choice for professional and residential interiors alike.

• Perfect flat matt finish for Walls & Ceilings
• Flawless finish - no light reflection & no roller marks
• Long open time - perfect for large surfaces
• Easy to touch up
• Eco-friendly - Solvent-free & unplasticized



All surfaces must be clean, dry, solid, and free from release agents, dust, dirt, or other contaminants. Prepare substrates according to the type of material as follows:

Renders (DIN EN 998-1 class CS II–IV, compressive strength ≥ 2 N/mm²)

• Solid, normally absorbent and even renders: coat directly without primer.
• Slightly sanding, absorbent renders: prime with OptiSilan TiefGrund, CapaSol RapidGrund, or Sylitol RapidGrund 111.
• More sanding renders: prime with OptiSilan TiefGrund.

Gypsum Plasters (DIN EN 13279-1, compressive strength ≥ 2 N/mm²)

• Sand sintered surfaces and remove dust.
• Prime with OptiSilan TiefGrund, CapaSol RapidGrund, or Sylitol RapidGrund 111.

Gypsum Boards / Plasterboard

• Sand filler burrs and dust off.
• Prime filler areas and boards with OptiSilan TiefGrund, CapaSol RapidGrund, or Sylitol RapidGrund 111.
• For high absorption: use OptiSilan TiefGrund.
• Boards with water-soluble discoloring ingredients: prime with Caparol AquaSperrgrund (see BFS Data Sheet No. 12, Part 2).

Concrete

• Remove release agents, chalking, and sanding residues.
• Prime with OptiSilan TiefGrund, CapaSol RapidGrund, or Sylitol RapidGrund 111.

Sand-Lime Masonry

• Dry brush salt efflorescence.
• Prime with CapaSol RapidGrund or Sylitol RapidGrund 111.
• For stronger absorption: use OptiSilan TiefGrund.

Existing Coatings

• Load-bearing: Recoat matt, slightly absorbent coatings directly. Roughen glossy coatings.
• Non-bearing: Remove coatings. Prime porous or absorbent surfaces with OptiSilan TiefGrund.
• Glue-bound distemper: Wash off completely and prime with Dupa-Putzfestiger, or sand and prime with OptiSilan TiefGrund.

Wallpapers

• Woodchip, relief, embossed, or sample wallpapers: Coat directly (trial coat recommended for relief/sample papers).
• Removed wallpaper: Wash off paste residues and prime with OptiSilan TiefGrund.

Problematic Surfaces

• Mould-infested: Remove with wet cleaning, treat with Capatox, dry thoroughly. Use resistant paints such as Malerit-W, Indeko-W, or Fungitex-W.
• Stains (nicotine, soot, grease, water): Wash and allow to dry. Apply a barrier primer such as Caparol AquaSperrgrund or Caparol Filtergrund grob.

Wood & Wood-Based Materials

• Prime with Capacryl Holz-IsoGrund.
• For melamine resin boards: use Capacryl Haftprimer.
• Note: Panel joints are not crack-free; for higher demands, use a decoupling layer with thin gypsum boards.

Old Lime Filler Techniques

• Sand off the sintered layer.
• If the water wetting test is negative: remove filler completely.
• If test is positive: prime with OptiSilan TiefGrund.

Defects & Repairs

• Fill chips, joints, and cracks with Füllspachtel P.
• For gypsum-based Q2/Q3 filling layers (<0.5 mm): use a transparent, water-based primer.

Apply with a paint brush, roller, or airless spray equipment.

• Dilution: Add up to 5% clean water before application (up to 10% for primer/intermediate coats). Stir well.

Airless Spraying (standard equipment)

• Spray pressure: 150–180 bar
• Spray angle: 40°–50°
• Nozzle size: 0.019"–0.021"
• Gun filter: approx. 0.31 mm (MW)

Airless Spraying (internally fed roller systems)

• Spray pressure: 80–120 bar
• Gun filter: approx. 0.31 mm (MW)

Coating System – White Coat

• Primer / Intermediate coat: Apply a rich, even coat of CapaSilan diluted with up to 10% water.
• Top coat: Apply CapaSilan diluted with up to 5% water.
• High-contrast surfaces: Apply a primer coat first, diluted with a maximum of 5% water.
• Differently absorbent substrates: Apply a primer coat of Caparol HaftGrund EG before CapaSilan.

Practical Tip

For ultra-smooth, low-texture surfaces: apply evenly, allow a short flash-off, then gently roll over with a Caparol FeinRoller. This creates particularly fine, uniform finishes.

Keep in a cool, but frost-free place

Delivery - All orders placed on a working day before 3pm will be dispatched on the same day for next working day delivery. Orders placed before 3pm on Friday will be delivered on Monday (excluding bank holidays). Orders placed after 3pm on Friday, weekends and Bank Holidays will be dispatched on the next working day. 

Delivery of Tinted Products - Tinted paints are dispatched in line with our express order process, shown below. However, due to their bespoke nature, please allow up to an additional 5 working days to accommodate any potential courier delays or delivery issues before receiving a refund or replacement.

We strongly suggest customers avoid booking tradespeople until they receive their order. Next Day Paint will not be held liable for any costs incurred due to order processing errors, delivery delays, or other issues that may result in financial loss.

Delivery Options

Express Shipping - £3.99

Order by: 3pm, Monday - Sunday

Expected delivery: Next working day, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

AM Delivery - £12.99

Order by: 2pm, Monday - Sunday

Expected delivery: Next working day by 2pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following AM

Late Cut-Off - £5.99

Order by: 4pm, Monday - Friday 

Expected delivery: Next working day, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

Saturday Delivery - £9.95

Order by: 2pm, Friday 

Expected delivery: Saturday, 8am - 9pm

Standard Delivery (Out of Zone Postcodes Only) - £8.99

Order by: 3pm, Monday - Sunday 

Expected delivery:  3-5  working days, 8am - 9pm

Orders placed on weekends or bank holidays will be dispatched on the next working day for delivery on the following day

We do not deliver to the Channel Islands or the Republic of Ireland

Certain postcodes delivery times and charges may vary please head to the cart to see your available delivery options.

Returns

We offer a 14 day money back guarantee for all goods shipped correctly that are not required. If the item is not required, please send the item back for a full refund in its original condition, unused with its original packaging. Please note return for unwanted item is at your own expense.

Contact us as soon as possible to inform us you will be returning the product either by a contact form or by calling our team on 0161 960 0217.

All tinted paint purchases are final and non-refundable. If you're unsure about your selection, please refer to the product listing or contact us for guidance before ordering. Once mixed, tinted paints cannot be returned or refunded, regardless of delivery delays or changes in circumstances.

While we aim to meet delivery timelines, we are not responsible for delays caused by couriers, weather, or other external factors.

We recommend ordering samples or colour charts before purchasing. While we strive to represent colours accurately, screen settings and surface types can affect appearance. Opened tins cannot be returned due to dissatisfaction with colour.

For non-tinted products, we offer a 14-day money-back guarantee. Items must be returned unused, in original condition and packaging, at your own expense.

Damaged Paint

Please visit our damages page, where we can help resolve the issue for you. 

Incorrect Item

If we have sent you a different item from what you ordered, we will be happy to organise an exchange for the correct goods at no extra charge to yourself, please get in touch to organise this.

Faulty Items

Faulty items can be refunded or exchanged within 30 days. All returns are tested, and if no fault is found, no refund will be issued you'll have the option to have the item returned. For faults discovered after 30 days, please contact the manufacturer for further support.