Cedar Beautifully Restored After Maintenance Mishaps

Cedar Beautifully Restored After Maintenance Mishaps

cedar restoration

This stylish, modern home in Swanson was built in 2016, but soon ran into problems with the appearance of the Cedar.

The building company had used a stain product that wasn’t tested in New Zealand conditions and soon deteriorated in the harsh UV rays, becoming porous and exposing the Cedar to the elements. Air borne mould took root in the timber and quickly spread once the moisture got in.

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As the house was relatively new, the homeowner was understandably upset. Thankfully, the building company did everything to make things right – including bringing in TimberTech to give our expert advice.

Maintenance Timeline

The building company first approached us on the 23rd of September, 2020.

  • 27th September, 2020 – Onsite Cedar assessment completed.
  • 29th September, 2020 – Quote sent.
  • 14th December, 2020 – Team arrived onsite to start the job.
  • 25th January, 2021 – Job completed.

The job took 3 weeks in total, with some time off over the holiday period.

Cedar Maintenance Process

We first masked all the areas that were adjacent to the cladding and stripped off the old stain using a paint stripper.
Modern paint strippers are less potent than in the past and are made from organic compounds, which are harmless to gardens and more environmentally friendly.

Once the paint stripper had been applied, we scraped the weatherboards and removed all traces of the old stain and stripper. To prepare for the new treatment, we lightly rinsed the surface with a water blaster to remove any remaining dust and organic matter, then sanded the boards to take away any of the furring.

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The final step was to apply 2 coats of an oil stain. Oil-borne stains are oil mixed with solvents that evaporates upon application, allowing the stain to cure. These types of products are not used as much these days as the market has shifted to waterborne products that are more environmentally friendly.

Solvent based products give a much flatter finish that absorbs the light, giving a less shiny, more natural look.

Cedar Maintenance Challenges

As the house was basically new, we had to take special care masking around the edges of the timber to ensure the oil stain didn’t come into contact with the joinery, or the established gardens.

The awning on the front face of the house also had to be removed. We supplied and erected mobile scaffolding to give the builders access to the awning.

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Another challenge for this particular property was liaising between all the concerned parties to achieve a satisfactory outcome. This included the customer, the building company and the company that supplied the initial product.

TimberTech has the staff and the experiencing to manage jobs of all sizes and we gladly took on the management of this project – which proved to be a great relief for the customer.

Ongoing Maintenance Requirements

To keep the Cedar looking beautiful for years to come, all it needs is a light wash once every few years and a recoat of exposed areas every 2-3 summers.

The Final Outcome

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The final outcome was an outstanding transformation. The Cedar has a smooth, even finish that is free of mould and still retains the natural textures that make Cedar look unique.

We are very proud of the restoration work done by our team, but the highest praise came from the customer, who sent us an email soon after the work was completed:

I wanted to let you know how pleased I am with the work completed at my property, it’s now looking fab. I was particularly impressed by the team, they did a fantastic and thorough job, they demonstrated an excellent work ethic and they were very easy and trustworthy to have around. I’d like to schedule regular maintenance for the cedar – please let me know what I need to do to lock this in. Thanks again for all the hard work – excellent job!” 
– Jannette

Property Details

Year of Build:
2016
Location:
Swanson
Coating:
Resene Woodsman Waterborne

Category:

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4 Apr 2023

This traditional Cedar home, located in West Harbour, was built in 1989 and has a distinctive red colouring common for the time, a style that has now come full-circle and makes the home feel vibrant and unique.

Upon first inspection, it was evident that the Cedar had not been treated for some years, with significant lichen, mould & dirt present. The north face (the back of the property) was very broken down, with porous boards that had started to cup and had been left 3 or 4 years too long without recoating.

As we needed to erect scaffolding to access the upper stories, the customer also asked if we could refresh their bargeboards with a new coat of paint.

This property is an excellent demonstration of the resilience of Cedar as a superior cladding material. Even after years of neglect, Cedar can be renewed with a wash and recoat, followed by regular maintenance to maintain its natural beauty.

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The Maintenance Process

The first step in the maintenance process is a chemical wash from roofline to ground using a penetrating surfactant and soft wash. Particular attention is paid to the cladding, removing all organic material from the timber in preparation for the treatment.

Following the wash, we treated the timber with Resene Woodsman Waterborne stain. Unlike the original stain, the new generation of oil stains are emulsified in water instead of solvents, which is better for the environment, and come in a range of colours.

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The south face of the house (which is the front of the property, as seen in the images) was reasonably protected from the sun and just needed a wash, lichen removal and a recoat. The north face required 3 solid coats of stain to bring the boards back up to standard.

To restore the bargeboards, we removed the existing spouting, filled the holes, lightly sanded to prime, then applied 2 coats of 100% acrylic paint.

Challenges with Older Homes

Many older homes are exposed to the sun for extended periods without regular maintenance and require additional treatment. The north face of this property was particularly weathered and required a stronger washing process and more stain applications to bring the Cedar back to life.

Stains produced back in the day were also very strong, almost like a hybrid paint, and were designed to stop the timber aging rather than enhance the natural beauty. This can make it difficult to work with, especially if you want to change the colour or transition to an oil.

The most cost-effective solution is to enhance what is already there, which is the approach we took with this property.

Ongoing Maintenance Requirements

The property is now set for another 2 or 3 summers before needing another recoat on the exposed faces. The southern face can sit comfortably for another 5-7 years with only a light wash to remove airborne pollutants from the surface.

The Final Outcome

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The end result was a stunning transformation!

We were able to restore the Cedar to its former glory, while retaining the unique look of the red-stained timber. As we were given the opportunity to maintain the whole house, our team was able to take care of even the smallest details, giving the whole property a new lease of life.

We even cleaned up the letterbox and applied the same stain, the finishing touch on a very satisfying job!

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