How To Preserve Wood With Wooden Garage Doors

Published 12 February 2025
Post Modified: 20 February 2025

Wood has remained the most used material for years due to its strength and stunning looks. From being the main structure of roofs to wooden garage doors, wood’s versatility comes second to none if well maintained. At wooden garage doors, we could not recommend more maintaining your wood, as not only does it keep the strength and ensure longevity, but it also creates a stunning look to your wooden garage door or gate. However, if not preserved, they face extreme challenges that could affect the life span of the wood.  This is because they are constantly exposed to the elements, such as intense UV rays, rain, humidity, and even potential insect damage. In this guide, we’ll explore how to preserve wood, highlight the best wood preserver to use, and walk you through a simple step-by-step process for application.

A close-up of a paintbrush applying a protective coat to a richly grained wooden surface, illustrating how to preserve wood for lasting beauty and durability.

Why Wood Preservation Matters

Yet, before specific solutions and applications are applied, it’s critical to understand why wood preservation is required in the first place. Wood is an organic material and is susceptible to:

Rot and Decay

The root cause of wood rotting and decaying is large amounts of moisture and water seeping into the wood surface. This leads to fungal growth within the wood, which weakens the fibres. Therefore, over time, this weakens the wood and destroys its structural benefits as well as its look.

Insect Damage

Insects such as woodworms, termites, or beetles can infest wood, causing hidden and often extensive damage. Like extensive moisture, this can cause significant structural damage to the wood.

UV Damage

Large amounts of exposure to sunlight can cause wood to fade. This causes it to lose its natural colour and even degrade the surface over time.

Cracking and Warping

Dramatic fluctuations in temperature and humidity can cause wood to expand and contract. This small natural factor can ultimately lead to cracks or warping.

In summary, preserving your wood, whether a garage door or a fence, extends its lifespan, keeps the woods natural, and saves you costly repairs or replacements.

 

 

The Benfits Barrettine Wood Preserver

With the market filled with all the different wood treatment, choosing the right product might feel overwhelming. However, at Wooden garage doors we recommend and use Barrettine Wood Preserver. We have tried them all but nothing compares to Barretine.

Deep Penetration

Barrettine Wood Preserver is formulated to penetrate deeply into the wood. This helps form an internal barrier against fungi, algae, and wood-boring insects, offering protection from the inside out.

Mold and Fungus Protection

Thanks to its biocidal properties, it effectively inhibits the growth of mould, fungi, and algae. This is important for any wooden structure that faces damp or humid conditions.

Longevity and Durability

Once correctly applied, Barrettine creates a long-lasting protective layer. Preventing moisture ingress can reduce the need for frequent maintenance. Saving you time and money in the long run.

Versatility

This wood preserver is suitable for a wide range of exterior wood surfaces—from fence panels and sheds to wooden garage doors. Its transparent finish can be overcoated with a suitable protective treatment if you desire a specific colour or finish.

Easy Application

Whether you’re a seasoned DIY enthusiast or just starting out, Barrettine is user-friendly. A standard brush, roller, or even a sprayer can be used, making the process straightforward.

Recommended Products from Barrettine

You can use one or the other, or both, in any combination you feel necessary to protect your wood. The difference is the Wood Preservative seeps into the wood for a more robust barrier against rot and insect-related damage, and the Wood Protective Treatment is for exterior waterproofing and exterior/topcoat.

 

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Preparing Wood Surfaces for Treatment

But before opening the can, it’s essential to ensure the surface is properly prepped. Prepping the surface will allow the wood preserver to stick better and soak in.

Clean the Surface

Remove dirt, dust, or old paint/varnish residues using a soft brush or lint-free cloth.

If the wood is already painted or stained, you might need to sand off the coating to allow the preserver to penetrate deeper.

Check for Damage

Inspect the wood for signs of rot or insect infestation.

If you find minor cracks or holes, fill them with a wood filler suitable for outdoor use before applying the preserver.

Severely damaged or rotten sections might need to be replaced.

Ensure Wood is Dry

Moisture within the wood can prevent the preserver’s proper absorption. If the wood has recently been exposed to rain or a power wash, let it dry thoroughly before application.

 

 

How to Apply Barrettine Wood Preserver (Step-by-Step)

Applying Barrettine Wood Preserver is a simple job, but taking a couple of minutes to consider a few factors will ensure a quality, almost professional finish. For example, the basic how-to includes the following:

Step 1: Gather Your Materials

  • Barrettine Wood Preserver (enough to cover the entire surface area)
  • Protective gloves
  • Safety glasses (optional but recommended)
  • Brush
  • Dust sheet or plastic sheeting (to protect surrounding areas)
  • Stirring stick

Step 2: Prepare Your Workspace

  • Lay out a dust or plastic sheet around your work area to catch any spills or drips.
  • We recommend that you do this outside if you’re doing it yourself. However, if you are in a garage or workshop, make sure that it is well-ventilated

Step 3: Stir and Test

  • Gently stir the wood preserver to ensure the solution is well-mixed.
  • It’s always a good idea to do a small test on a hidden section of wood to confirm the finish and colour you like.

Step 4: First Coat Application

  • Using a brush, apply a generous coat of Wood Preserver along the grain of the wood.
  • Aim for even coverage, avoiding puddles or overly thick layers.
  • Pay special attention to any end grain or joints, as these areas are most prone to water ingress.

Step 5: Allow Drying Time

  • The wood preserver typically is fully dry in 24 hours, the wood should be touch-dry within a few hours.
  • Avoid exposing the surface to rain or heavy moisture during this period.

Step 6: Apply Additional Coats

  • For extra protection, apply at least two coats. If your wood is badly weathered or you live in an area with bad weather conditions, such as on the coast(Dorset, Devon).
  • Each coat should be completely dry before applying the next to ensure proper absorption and an even finish. So be patient; each coat can take up to 24 hours to dry!

Step 7: Optional Topcoat or Finish

  • Once your final coat of Wood Preserver is completely dry, you may apply a Nourish & Protect product for added water repellency and a richer finish.
  • Again, follow the manufacturer’s instructions for the best results.

 

 

Additional Tips for Wooden Garage Doors

Because garage doors face constant exposure to the elements, taking extra precautions can extend their lifespan and maintain their looks:

Regular Inspections

At least twice a year, inspect the door for any signs of discolouration, cracking, or peeling. Taking action can prevent minor issues from becoming major problems. Need some extra help? Call us for expert advice!

Seasonal Cleaning

Wipe down the surface to remove dirt, debris, or salt (if you live near the sea). This helps maintain the protective coating and prevents grime from seeping into the wood grain.

Address Moisture Sources

Ensure your gutter system functions properly, preventing water from pooling near the garage door. Check door seals and weather stripping to reduce water infiltration during heavy rains.

Routine Maintenance

Depending on the climate, the wood preserver may need to be reapplied every few years to maintain the best protection. If you notice the wood’s finish fading or water no longer beading on the surface, it’s time to reapply.

 

Conclusion

Product and application are key to preserving wood, particularly for wooden garage doors. Barrettine Wood Preserver is a reliable, easy-to-apply formula that deters decay, infestation, and weathering. Complemented with the suggested subsequent and pre-application requirements, this is all you need for a successful, long-lasting wood garage door that still looks great.

You can contact us at Wooden Garage Doors any time, whether you have questions or need repairs or replacements, guidance on wooden garage door materials for servicing your current one, or want a brand new one. Remember, wood treatment is an ongoing process. Seasonal assessments, maintenance, and applications are all ways to ensure your investment in a garage door remains an attractive fixture for years to come.

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