Need to protect your wooden garden tips shed for years to come?
Thousands of garden sheds get ruined each year by damage that is easily preventable.
As the shed market is expected to reach $13.21 billion by 2034.
We all know that people love their garden sheds…and buying a reliable shed is the first step in learning how to protect it.
The problem is…
If you don’t weatherproof your wooden garden sheds they will degrade much quicker than expected. Moisture, sun, and temperature changes all work together to age your garden shed far quicker than it should.
The good news is, weatherproofing your shed is not difficult or expensive.
In this guide I am going to show you exactly how you can protect your wooden garden shed from the elements to prolong its life significantly.
The complete step by step protection guide:
- Why You Need To Protect Your Wooden Garden Sheds
- The Essential Weatherproofing Products You Can’t Live Without
- The Easy Step By Step Weatherproofing Process
- Mistakes That Will Cost You Money
Why You Need To Protect Your Wooden Garden Sheds
Lets face it…
Wood is a natural material, and nature is it’s enemy.
Your wooden garden shed is exposed to the worst of what nature has to throw at it.
Rain, snow, UV, humidity… none of these things mix well with bare wood.
Unless it is well protected, your shed will experience:
Moisture damage is the #1 cause of premature shed death. Water gets in through unprotected wood and slowly breaks it down. Swelling, warping, and eventual rotting is the long-term result. Once rot starts you’re looking at an expensive rebuild.
UV rays also play a major role in weathering your wooden garden shed. Over time the UV rays weaken and brittle the wood fibres and cause fading and cracking. Cracks then let in moisture and insects.
Temperature changes cause expansion and contraction, stressing the wood over time. This weakens joints, loosens panels and other woodwork. Wood shrinks and splits, leading to gaps and leaks.
Ever wondered what damage cost you money? Simple fixes are from £80-150, while major restorations are from £300-1000+. That’s a lot more than prevention!
Yet there is a silver lining…
Protecting your shed properly can extend it’s lifespan by decades.
Well maintained wooden garden sheds stay in great shape after 20+ years.
But an unprotected wooden shed will start to rot, warp and split within just 3-5 years.
The Essential Weatherproofing Products You Can’t Live Without
Not all products are created equal when it comes to weatherproofing.
Here are the products that actually work:
Wood Preservative – Wood preservative is your first line of defence. A good quality preservative penetrates deep into the wood fibres and protects from moisture, insects and fungal growth. Look for a product that has at least a 5 year guarantee.
Waterproof paint or stain – After applying the preservative, you need a protective barrier to block water but still let the wood breathe. A microporous paint will create a waterproof seal, yet still allow water vapour to escape.
Roof waterproofing – Your roof takes the most punishment from the elements. Use high quality roofing felt or EPDM rubber membrane to keep water off for years. Don’t cut corners on the roof.
Caulk and sealants – Windows, doors and joints are areas where water likes to seep in. Flexible, weatherproof sealants are essential for long-term protection.
Drainage and ventilation – Allow for good ventilation and proper drainage to avoid moisture build up and condensation rot.
The Easy Step By Step Weatherproofing Process
Now we know what products we need. How do we put it all together into a practical weatherproofing project?
Step 1: Prepare The Shed
Clean your shed before applying any protective products.
Dirt, algae and flaking paint need to be removed.
A stiff brush will do the trick.
You can also use a pressure washer. Just make sure the wood is completely dry before you continue.
Check the woodwork for damage. Look for:
- Cracks or splits
- Loose or missing panels
- Signs of rot or insect damage
- Gaps in joints and fittings
Repair any problems before you begin weatherproofing.
Step 2: Apply Wood Preservative
Using a brush or spray applicator, apply wood preservative liberally to all wood surfaces. Pay particular attention to:
- End grain areas, as these absorb moisture the fastest
- Seams and joints
- Base of the shed in contact with the ground
- Areas around door and window frames
Apply a 2nd coat once the first has dried. Two thin coats are better than one thick coat.
Step 3: Apply Waterproof Paint Or Stain
After the preservative has dried, apply your waterproof paint or stain.
Work systematically starting at the top and working downwards, maintaining a wet edge to prevent lap marks.
Use a good quality brush for even application.
Work in the shade to avoid the paint drying too quickly. Allow each coat to dry for the specified time.
Two coats minimum.
Step 4: Seal All Gaps
Small gaps in the woodwork can allow significant damage.
Seal all gaps around window and door frames, corners, and any other penetrations.
A silicone caulking gun is the easiest way to get a neat job.
Choose a caulk that is flexible enough to not crack when the wood expands and contracts.
Step 5: Waterproof The Roof
The roof needs particular attention when weatherproofing. If you have a traditional felt roof:
- Check for damaged areas, loose sections or areas that are worn thin
- Replace damaged felt sheets completely. Repairing is rarely a long term solution.
- Ensure that the felt is correctly overlapped at all joints
- Secure with adequate number of fixings
If your shed roof is in bad shape consider replacing it with EPDM rubber roofing. This will last longer and is easier to waterproof properly.
Step 6: Install Adequate Ventilation
Believe it or not…
Ventilation is a key weatherproofing step most people don’t consider. Your shed needs to breathe to prevent condensation that causes rot from the inside out.
Installing vents at opposite ends of the shed high and low promotes airflow.
Proper ventilation prevents moisture build up that can undo all your hard work.
Mistakes That Will Cost You Money
What NOT to do when weatherproofing your wooden garden shed:
Skipping surface preparation – Do not apply preservative, paint or sealant to dirty or damp wood. It is pointless and you are literally throwing your money away.
Going cheap on materials – Buying low cost preservative and paint is a false economy. You get what you pay for and these products often need frequent re-application.
Neglecting the base – Moisture wicking up from the ground is a leading cause of wood rot. Make sure your shed has proper drainage and consider raising it on bearers.
Rushing the job – Weatherproofing is not a weekend job. Make time to do it properly, or you will end up doing it twice.
Neglecting regular maintenance – Weatherproofing is not set and forget. Plan to spend a few hours on shed home maintenance each year.
Long Term Protection
Protection is a long term process.
Plan to allocate a few hours each year to inspecting your shed and making repairs before they become major issues.
Look out for:
- Peeling or faded paint
- New cracks or gaps
- Blocked drainage
- Damaged roofing
Repairing these issues early saves money and keeps your shed in great condition.
Summing Up
Weatherproofing your wooden garden sheds is a great investment.
By choosing the right composite materials and applying them correctly, you can protect your shed from the weather and extend its lifespan significantly.
Weatherproofing is about preparation, using quality wood preservative, waterproof coating, sealing gaps, and ensuring good ventilation.
It takes time and effort up front, but not doing it costs much more in the long run.
High quality weatherproofing starts with good materials and proper application.
Don’t rush the job, and make sure to maintain the shed each year.
