Protective wood treatment
Emperor Exterior Wood Waterproofer
Free delivery£80.00
Out of stock
An invisible treatment for any exterior wood that keeps moisture out, reduces rot and keeps it looking its best for years to come.
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Super Hydrophobic
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Highly Breathable
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10 Year Guarantee
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Self-Cleaning
3 interest free payments with Klarna. No fees.
Learn more-
Super Hydrphobic
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Highly Breathable
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10 Year Guarantee
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Self-Cleaning
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UV Resistant
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Tested & Certified
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Protects From Damage
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Invisible Protection
| Suitable for | Exterior wood |
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| Application method | Brush, roller or pump-sprayer |
| Coverage | 5m2 per litre - depending on substrate and application method |
| Drying time | Touch dry in 1-2 hours - based on 20°C, lower temperatures will extend the drying time |
| Number of coats | One coat |
We offer free and fast delivery on all UK mainland orders. Once your order has left our warehouse, we will send you an email with tracking information. Additional charges apply to Scottish Highlands and UK islands. For full delivery information, please visit our delivery page.
If you change your mind, returns are simple and accepted within 28 days.
The ultimate protection for exterior wood
Super hydrophobic
Weather the storm
- Most exterior wood paints and stains absorb water over-time
- Our unique technology creates a super hydrophobic surface that causes rain to simply roll off the surface
- Reduces water absorption by 96%
- Keeps wood dry, helping prevent staining, organic growth and wood starting to break down
Highly breathable
Breathe and relax
- Does not seal the surface, so wood can naturally breathe
- Moisture within the surface can escape instead of building up inside the timber
- The result is that wood stays dry and healthy
- Prevents hidden damage that causes peeling, cracking and rotting
Extends the lifespan
Come rain or shine
- Ongoing exposure to rain causes wood to deteriorate year after year, with repairs and replacement become hard to avoid
- By keeping the wood dry, Emperor Wood Waterproofer helps to prevent this
- Reducing how often wood needs repairing, cleaning, painting or replacing
Self-cleaning
Our innovative super hydrophobic technology creates a self-cleaning surface that repels dirt and discourages organic growth.
Invisible
Emperor Wood Waterproofer is completely invisible with no sheen or colour. It achieves this by chemically bonding to the timber, rather than forming a seal over the surface.
UV resistant
UV resistance helps to reduce the 'silvering' of timber, which causes the natural pigment of bare, untreated wood to bleach over-time.
Easy and convenient
It's a doddle
- Emperor Wood Waterproofer couldn’t be easier to apply
- Can be applied using a brush, roller or pump-sprayer
- Only one coat required
- Suitable for use on vertical wooden surfaces such as fencing, sheds, cladding and much more
Frequently Asked Questions
What does Emperor Exterior Wood Waterproofer achieve?
Wood, as a natural mineral surface, is highly porous, meaning it can absorb moisture. This moisture over time can lead it to discolour, rot and decay, leading to the need to regularly maintain the natural wood. By offering water repellent and highly breathable weather protection, Emperor Exterior Wood Waterproofer prevents this continual cycle of damage and helps to extend the lifespan of the wood.
By waterproofing wood, Emperor Exterior Wood Waterproofer also prevents the growth of unsightly lichens and moss, protecting the natural beauty of exterior wood long-term.
How has Emperor Exterior Wood Waterproofer been tested?
Emperor Exterior Wood Waterproofer has an independently tested by UKAS accredited laboratory Lucideon who tested the treatment in a 25 year accelerated weathering process. After 25 years of accelerated weathering, there were no signs of change in appearance or performance of the wood waterproofer. This certified that Emperor Exterior Wood Waterproofer has a 25 year proven performance, in accordance with EAD 040287-00-04:2018.
What surfaces can Emperor Exterior Wood Waterproofer be applied to?
Emperor Exterior Wood Waterproofer can be applied to any bare exterior wood. This includes wooden beams, log cabins, benches, decking, cladding and fencing. The treatment cannot be applied to previously painted wood as it is an impregnating system that must be able to absorb into the wood and chemically bond to the surface.
How do I apply the waterproofer?
You can apply Emperor Exterior Wood Waterproofer by paint roller, brush or pump sprayer. Apply to dry surfaces in temperatures above 5°C. Always avoid working in direct sunlight on hot days – it is much better to work in the shade. The treatment is a one-coat system, which once applied and fully cured will absorb into the wood to leave an invisible water repellent surface on the wood.
What if I get it on surfaces other than the wood?
Wash the affected area with hot soapy water and a cloth.
Is the product harmful to the environment?
The product is water-based and non-toxic.
Is the product safe and easy to use?
Whilst Emperor Exterior Wood Waterproofer is not a skin irritant, we would always recommend that care is taken when using it. Disposable gloves and goggles are advised, particularly if there is any breeze or wind to protect yourself from spray back. If you do get any wood waterproofer onto your skin, wash immediately with warm, soapy water.
What is the coverage?
The product is supplied ready for use. There is no need to add water or thin the product in any way. The product has a coverage of 5m2 per litre, meaning a 5 litre tub will cover up to 25 square metres depending on the surface being covered.
What is the difference between a wood waterproofer and a wood sealer?
While a sealer creates a water repellent, low breathability film on the surface of wood that can trap moisture inside the material, a wood waterproofer is an impregnating system which penetrates deep into the wood. This means that instead of creating a film on the surface, it provides the wood with water repellent properties from within the surface.
This not only means there is not film to breakdown due to weathering but also the breathability of the wood is not impacted. This is what gives Emperor Exterior Wood Waterproofer extreme 25 year durability, allowing it to be highly effective at waterproofing wood long-term.