Demidekk Cleantech

Jotun Demidekk Cleantech Overview

Jotun Demidekk Cleantech is a high-performance, waterborne self-cleaning exterior wood paint designed to provide long-lasting protection and outstanding weather resistance. Engineered with Jotun’s advanced hybrid technology, it combines the durability of alkyds with the flexibility of acrylics, ensuring a robust yet breathable coating that prevents cracking and peeling.

With up to 12 years of maintenance-free performance, Demidekk Cleantech delivers a low-VOC, environmentally responsible solution while offering a rich, long-lasting finish. Its self-cleaning properties help repel dirt and moisture, maintaining a fresh and vibrant appearance for years to come.

Key Product Features

• Up to 12 Years of Protection – Reduces maintenance costs and repainting frequency
• Enhanced Self-Cleaning Properties – Resists dirt accumulation, ensuring a clean and fresh look.
• Low VOC & Environmentally Friendly – Water-based formula with minimal environmental impact.
• High Flexibility & Durability – Expands and contracts with the wood, preventing cracks and flaking.
• Superior UV Resistance – Protects against fading and discoloration from sunlight.
• Quick Drying Time – Touch dry in 2 hours, allowing for faster project completion.
• Excellent Adhesion – Bonds well to previously painted and bare wood surfaces.

 The table below compares Jotun Demidekk Cleantech to alternative but similar products.

Suitable Uses and Applications

 Demidekk Ultimate is suitable for a number of different wood types including;

• New and previously painted exterior woodwork
• Pressure-treated wood
• Planed and rough-sawn timber

 It can be used for a wide range of wood-based applications

• Exterior Cladding & Joinery – Provides long-lasting protection for wooden facades, soffits, and trims.
• Garden Structures – Ideal for fences, sheds, pergolas, and garden furniture.
• Windows & Doors – Offers a tough, weather-resistant finish that withstands frequent handling.
• Log Cabins & Timber Buildings – Ensures deep penetration and flexible protection for wooden structures.

Basic Application Guide for Jotun Demidekk Cleantech

For more information on applying Jotun Demidekk Cleantech, please see our detailed application guide here

Step 1: Surface Preparation

• Previously Painted Wood - Ensure the surface is clean, dry, and free from loose or peeling paint. Sand glossy surfaces to promote adhesion.
• Weathered Wood - Remove loose fibres and dirt, then apply a primer to improve adhesion and durability.

Step 2 - Priming

• For new wood, apply Jotun Visir Clear Primer before or immediately after installation to protect against moisture and fungi.

Step 3 - Application

• Conditions - Ensure temperatures are above 5°C and that there is no risk of condensation or rain until the coating is dry.
• Methods - Suitable for brush, roller, or airless spray application.
• Coats - Apply two to three coats, depending on wood porosity and exposure conditions.

Step 4 - Drying and Curing

• Touch Dry - 2 hours at 23°C.
• Recoatable - 8 hours, depending on humidity and temperature.
• Full Cure - 2–4 weeks, depending on environmental conditions.