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Blog
Home > Blog > How to Fix Shiplap Wall Cladding Correctly?
26Nov
  • By EVODEK
  • Wed, Nov 26, 2025
  • 6651 Views

How to Fix Shiplap Wall Cladding Correctly?

Shiplap wall cladding is a standard cladding profile. It can be used for many different purposes as it is lightweight and easy to install. It is commonly used to build sheds, summerhouses, and decorative walls. Whether you are looking for a traditional or contemporary style, you can achieve it with shiplap cladding.

This profile is perfect for cladding buildings as it is aesthetically pleasing and won’t let water in. Installing shiplap wall cladding is also a simple task. With some basic instructions and tips, anyone can do it.

Read on to learn some useful tips to help you build, repair, and maintain your shiplap cladding!

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Table of Contents

  • How Do I Install Shiplap Wall Cladding?
  • Fixing Shiplap Wall Cladding
  • Maintaining Shiplap Wall Cladding
  • Repair Broken Shiplap Cladding
  • Summary

How Do I Install Shiplap Wall Cladding?

Installing shiplap cladding is very simple, but you need to plan. This is because the steps may vary slightly depending on where you want to fasten the cladding. It’s also important to have the right size and tools. We offer some suggestions for these steps.

Preparing the Shiplap Cladding

You may need to cut the board to get the right size or to fill any holes. But what if water seeps through the cuts? To prevent water from getting into the planks and damaging them, you simply need to use a suitable end-sealing wax.

Another good method is to cut the planks at a small angle if they are to be installed vertically. This will allow water to flow away from the ends. This will prevent water that is standing still from pooling and seeping into the planks. Leaving a gap of at least 8 mm at one end of the plank where it comes into contact with a corner or edge of the wall will also greatly reduce the likelihood of water running onto the end grain.

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Other Considerations

When installing shiplap wall cladding on the external walls of a building, you need to pay more attention to issues such as insulation, gaps, and compression strips.

For good insulation and waterproofing, you may need to add a layer of insulation and a breathable membrane to the external wall before installing the external wall cladding. The best way to do this is to add a layer of insulation to the exterior wall studs. Make sure there is at least a 5mm gap between the two insulation boards. The insulation boards are then covered with a covering that allows air to pass through, and finally, the reinforcement is carried out.

In order for shiplap cladding to last longer and not be prone to rot, it must be able to allow air to pass through and drain properly. For this reason, you should leave a gap between the cladding and the wall. This is easy to do once you get the hang of it.

You can use compression strips to make an opening between the cladding and the wall. If you need a larger line, you can fix one plank perpendicular to the other, which is called a butt joint. Leave a small space between the floor, the roof, and the planks to open up access at the top and bottom. The spacing between the planking strips should be 600 millimetres for a strong and durable frame.

You can also install an insect screen, which will prevent bugs and other pests from entering these small openings. The insect netting will keep bugs out while still allowing enough air to circulate.

If you don’t need a completely waterproof structure, you can also place shiplap wall cladding over studs that don’t have a breathable membrane. Shiplap cladding is known for not letting water in. However, in heavy rain and strong winds, some water can still seep through the overlapping structure.

Install Shiplap Wall Cladding

Fixing Shiplap Wall Cladding

First, you need to make sure you have the right hardware. In order to secure the shiplap cladding, look for 50mm nails or tongue and groove screws that you want to use with it. Both of these screws should be screwed into the board so that their heads are level with the surface of the board. This will give a neater finish and prevent water from seeping into the small holes.

They should intersect straight with the shiplap cladding. Thus, the horizontal cladding boards will be attached to the vertical battens, and the vertical battens will be attached to the horizontal cladding boards. Two fixings must be used for each board, one at each end, 25mm from the edge. Make sure the screw heads are flush with the surface of the board.

The first plank is important for planning how to lay the next plank. To achieve a perfectly level result, we recommend using a level to measure up from the bottom of the wall. For even more accuracy, a key tip is to use construction glue before nailing and confirm with a level. When you are happy with the level, seal it with two 50mm nails or tenons plus screws.

To complete the installation of the shiplap wall cladding, do the above steps again after you see the first plank. Continue to fix each plank to the outside wall of the house and interlock them smoothly. Check each plank with a level to make sure the cladding is always level.

Maintaining Shiplap Wall Cladding

Do you think maintaining shiplap cladding is a daunting task? In fact, the process is very simple. As long as you take care of it, your exterior wall cladding can make a world of difference. Your beautiful shiplap wall cladding will definitely last longer if you follow these three simple tips.

UV Protection

Apply a coat of UV protection paint to the wood to prevent strong UV rays from making the wood look dull! UV protection coatings preserve the natural colour and grain of the wood and prevent the wood from growing or shrinking by controlling the moisture content in the wood.

UV protection coatings contain pigments that match the colour of the wood, giving it a more realistic look. A coat should be applied to the boards at least every 12 weeks to keep them in good condition. A simple solution can help you better maintain shiplap cladding.

Maintaining Shiplap Wall Cladding

Keeping Shiplap Cladding Clean

Cleaning your shiplap cladding every six months is an easy way to keep your planks intact and make them look better. It also extends the life of the plank. Use an eco-friendly cleaner and a microfiber cloth to wipe down the clapboard, and the dirt will disappear. After painting your siding, you may need to do some touch-up work to keep it looking good.

Fixing Problems in a Timely Manner

Since wood siding is made of wood, it may show normal signs of wear and tear. To minimise the damage, it is important to keep an eye out for any changes or problems. When you notice a problem, it needs to be fixed immediately before it gets worse. If the boards have started to rot, they must be replaced immediately. Otherwise, the rot may spread to other planks and cause you more trouble. And it will also cost you more money in the long run.

Repair Broken Shiplap Cladding

Shiplap wall cladding is known for being very durable if properly maintained. However, bad weather and normal wear and tear on wood can still damage shiplap cladding. To maintain broken shiplap wall cladding, you will need some tools:

  • New shiplap cladding (you need two new boards for each broken board)
  • screwdriver
  • Hammer
  • Wooden blocks

Before you begin replacing the broken shiplap wall cladding, you will need to remove all of the corner trim. To remove the corner trim from the structure, simply unscrew all the screws that hold the corner trim in place.

You will then need to use a blunt instrument (such as a screwdriver) to drive the nails all the way into the wall hole. Hold the nail with the screwdriver and tap the other end of the nail with a hammer to push the nail into the wall of the hole and remove it from the board.

Repair Broken Shiplap Cladding

Once there are no screws to hold it in place, the planks can slide out. How easily the plank slides out depends on the weather conditions. When the plank is very wet, it expands, which makes it harder to remove the plank. Another method is to put a piece of wood on one end of the plank and hit it with a hammer. You should also remove the board above the break to prevent the wood from swelling.

Then, place the new plank in the hole and nail it to the hollow wall. If there isn’t much of a gap between the boards, use the wood block trick to knock the new boards back into place. Reattach the corner trim and touch it up with UV-protective oil.

Summary

Shiplap wall cladding is a great exterior cladding material that can be used in many different ways. Fixing shiplap wall cladding is a straightforward process that can significantly enhance the look and feel of any room. With proper preparation, the use of the right tools, and careful attention to detail, you can achieve polished, professional results.

Whether you use shiplap cladding to decorate a wall or cover an entire room. This timeless design adds character and warmth to your space. Take your time and follow the installation steps. You’ll enjoy the beauty and durability of shiplap wall cladding for years to come.

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Kelin Content Writer
Kelin is an accomplished writer specializing in outdoor home decor. With a background in landscape architecture and a flair for storytelling, Kelin creates compelling content that inspires homeowners to enhance their outdoor living spaces. His writing covers a range of topics from garden design and furniture placement to the latest trends in outdoor living. Known for his practical advice and innovative ideas.
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