remove mill glaze

Decking Guide: Protecting your new deck

In this week’s post in our decking we are looking into the different ways to protect your decking whether it’s new or weathered and whatever finish you are looking for.

Protecting a brand new deck

In almost all situations we would always recommend treating a brand new deck with a specific new wood protection such as Owatrol’s Seasonite new wood protection. This is because new wood is particularly vulnerable to the damaging effects of moisture transfer during its first year. If allowed to weather naturally with no protection it is likely to take on and release moisture at an extremely rapid rate which can lead to warping and splitting. In contrast, if new wood is treated immediately with the majority of wood protection treatments then they will not be able to fully impregnate the wood and therefore will not be able to perform at their best. This is because new wood is coated with a hard, shiny substance known as mill glaze which prevents a finish from entering the wood.

Seasonite application

Using Seasonite on your new wood is the best option for maintaining the longevity of your wood and after 6-12 months of weathering with Seasonite your deck will be ready to finish in any way you choose. Seasonite is incredibly easy to use – you simply apply it in a single generous coat using a brush, roller or garden sprayer. This will then protect your new wood against damage caused by UV rays and excessive moisture transfer during the first year. At this point you can then treat your deck with whatever finish you choose by following the process as for weathered decks. Please don’t be tempted to leave your deck to weather by itself as this could lead to lasting damage due to moisture transfer which is difficult to recover.

Seasonite new decking

Immediate protection and finish for new decks

There is one notable exception to the necessity to use Seasonite on your new deck and that is if you plan to use Deks Olje D1 to finish it. D1 is specially formulated for use on both new and weathered wood and is a saturating wood oil which replaces the lost oils in your decking. It is a saturating product which means that its place is within the wood and not on the surface. It does not leave a film on the surface and so will not peel or flake. It is a clear oil which gives a matt finish enhances the natural beauty of the wood. It enriches and stabilises the wood to protect it against damage by UV rays and moisture.

IPE Deck D1 Pro After

In order to use Deks Olje D1 on a new deck you do, however, need to remove the mill glaze to enable the D1 to penetrate the wood. To do this you will need to strip it away using Prepdeck, our professional high grade stripper which can remove old stains, grade stamps, other surface contaminants but also mill glaze.

To use Prepdeck to remove mill glaze you need to wet the surface of the deck and apply the Prepdeck (easiest with a synthetic brush) and allow to work for 20 minutes. Then scrub the area with a stiff brush or use a pressure washer working in the direction of the grain and rinse with copious amounts of water. After rinsing the surface should be neutralised with Net-Trol and then allowed to dry completely before the Deks Olje D1 is applied. For more information about how to apply Deks Olje D1 please see the directions for use on our product page.

Next week we’ll be discussing how to treat and protect your deck after it has weathered with Seasonite or how to treat a deck if you haven’t treated it with anything before.

Owatrol Team
About Owatrol Team

Our team are ready and willing to support you with your requirements whether it is protecting your newly laid deck or renovating a luxury yacht, whatever the application Owatrol has the solution you are looking for.

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2 thoughts on “Decking Guide: Protecting your new deck

  1. I have read too much about decking and am now confused!
    Please can you explain what to do to protect and stain in the easiest way a brand new grooved softwood deck ? I would eventually like to finish it with your Decking Paint in a colour.
    Many thanks.

    1. Hi Anne,

      Thank you for your query.

      You will need to use a product such as Prepdeck on your wood to begin with https://www.owatroldirect.co.uk/product/prepdeck/

      Prepdeck is a wood finish and mill glaze remover – If your wood has a finish on it, Prepdeck will remove it. If the wood is brand new and has no finishes on it, it will have a thing called mill glaze on it. Mill glaze is a result of sawing the wood – It closes the wood’s grains to prevent penetration of finishes.

      After the wood has been stripped, you will then need to neutralise it with Net-Trol – This is an important step as it stops the active ingredient in Prepdeck from continuing to work. https://www.owatroldirect.co.uk/product/net-trol/

      Once these two steps have been completed, you can finish the wood with anything you’d like. Decking Paint is perfect if you are looking for an opaque finish. We have colour charts cards that we can send out to you and also 100ml samples which can be purchased for ¬£5. https://www.owatroldirect.co.uk/product/decking-paint/

      A stripper such as Prepdeck is the best option to use if you want to use a finishing product such as Decking Paint. This is because it is a penetrating finish so it must be able to penetrate deep into the surface to protect the wood from within.
      Some other finishes will simply sit on top of the surface of the wood, which will eventually peel and flake off, resulting in you having to start all over again (usually within a year).

      I hope this answer was helpful – please feel free to contact us further should you have any more queries.

      All the best,
      The Owatrol Team

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