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Product Reviews
By Martin C

I used this wood sealer on my fences, shed and summer house. Very fast delivery service. Easy to apply with a spray gun (didn't block the jet). No obvious colour change. I used about 3.5 litres per square meter for the two coats, but there was a fair bit of run-off. After rain, an untreated fence panel was clearly soaked whereas an adjacent treated panel looked dry.

By Craig

Bought a new shed last year and want it to last. This is a high performing wood sealer. After the easy application with a spray gun it did change the colour ever so slightly but it looked better imo. After the recent rain I did check and was very impressed how the water just beaded on the surface, very pleased with my purchase.

By L Shea

After ringing around a few other suppliers, one of whom kindly suggested Smart Seal, I called and got fantastic product support from George. He not only gave me (a novice) excellent advice as to which was likely to be the best wood sealer but he also went over and above to make sure I received the item I need in the fastest time possible. Would highly recommend.

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Wood Sealer - Clear 10yr Protective Exterior Water Repellent Safe & Easy to Apply. Non Toxic

Waterproof Sealant for Wooden Fences, Decking, Sheds & Garden Furniture. Help's Prevent Rotting

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Categories: Wood Sealer
Product Description

Smartseal wood sealer is an effective wood preserver and wood protector specially formulated for use on sheds, fences, garden furniture & decking. Once applied, the wood sealer creates an invisible waterproof barrier that will help prevent the ingress of moisture on ingress on pressure treated softwoods such as fences, sheds, garden furniture and decking. The wood waterproofer is also a wood preservative that is specially formulated to protect your outdoor wooden surfaces for up to 10 years. The water-resistant surface will also inhibit the growth and spread of mould and algae which is a big problem with softwoods, especially in shaded north-facing areas of locations with high levels of rainfall. 

  • 10 year Protection
  • Wood Waterproofer 
  • Average coverage ratio: 3 - 5m² per litre
  • External Use
  • Inhibits the Spread of Moss & Algae
  • Easy to Apply Sprayable Formula
  • Wood Protector & Wood Preserver
  • Clear Invisible Finish
  • Use on Sheds, Decking, Garden Furniture & Fencing
  • Cannot be painted over or used on top of paint, as they will prevent one another from adhering to the wood. 

To ensure the best results and prior to application, all wooden surfaces being treated should be thoroughly cleaned first.

Technical
  • Works on softwoods and hardwood.
  • Easy application by brush, sprayer or roller. Two coats are recommended.
  • Inhibits the growth of mould & algae.
  • Wood Preserver & wood protector
  • Helps to prevent warping.
  • Invisible once dry and will not change the appearance of the wood.
  • 10+ years weatherproofing protection.
  • User friendly non-biocidal formulation.
  • Wood remains 'breathable' after application.

Directions for Use:

Application:

Apply only the wood preservative to dry surfaces above 8°C with a surface temperature no higher than 23°C and no rain forecast for at least 4 hours.

Apply 2 coats by sprayer, roller or brush with application of second coat within 4 hours.

Wear appropriate safety wear when applying the wood protector and sealer. 

Product FAQs

Q: Is the wood sealer a water based product ? We are thinking to use it for sealing the end grain on our 1/2 log fences in public areas. Any views.

Tim Gimbert

A: The wood sealer is a solvent free water based sealer.

Response from Nick

Q: Hi, i would like to apply this product to some pressure treated railway sleepers and round wooden fence posts. After application, will the surface be more slippery when wet?

Phil Edwards

A: Thanks for the question. We don't get issues with slippiness regarding the wood sealer. If this is a concern, we do sell samples if you wanted to get tangible clarity.

Response from George

Q: I need to waterproof a shed painted with Cuprinol Shades about 4 yrs ago. Can I use wood sealer on top of this as rain is soaking through the wood Thankyou

Avril

A: Thanks for the question. We would recommend using a sample on a test area to see if the product adheres to the surface. Any previous coating may act as a barrier for our sealer to adhere to the surface.

Response from George
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