Restoration, maintenance and stain application on roundwood : A PROBOIS specialty.

Houses and structures made of roundwood require a very particular expertise. Roundwood offers a unique style that is very sought out in Quebec. Unfortunately, it also requires maintenance donne by professionals in the trade since the steps manifold. Throughout the years, PROBOIS has developped a standardise process to the maintenance and restoration of roundwood structures.

The 12 steps performed by PROBOIS on roundwood structures :

On observe ici les deux dernières billes de bois rond, mal en point

On observe ici les deux dernières billes de bois rond, mal en point

1- Repairs on roundwood that exhibits mold or other types of damages.

The spots that are most often in contact with humidity.  Blocs of wood situated near the ground are almost always more damaged. Therefore, we inspect all the sidings to identify the spots that need treatment.

Ici, les billes de bois rond furent correctement restaurées. Une fois teinte, la réparation sera pratiquement invisible.

Ici, les billes de bois rond furent correctement restaurées. Une fois teinte, la réparation sera pratiquement invisible.

If the mold has spread within the wood we have to remove the pieces of wood to save the block. The  walls are then coated with an epoxy paste that penetrates the pores of the wood and solidifies it. Finally, we use a filler to replace the wood that was removed and seal it properly. We then have to sand it throughly and stain it.

Dans ce cas-ci par exemple, ce billot de bois rond ne peut être correctement restauré puisqu’il est atteint par la moisissure intégralement. Un changement de billot est alors nécessaire.

Dans ce cas-ci par exemple, ce billot de bois rond ne peut être correctement restauré puisqu’il est atteint par la moisissure intégralement. Un changement de billot est alors nécessaire.

It is possible that the wood is too damaged to be saved. In those cases we have to perform a graft with new roundwood.  We change the roundwood with a new one to prevent the spreading of the mold to the other blocks and limit futur problems.

2- We apply caulking to all necessary gaps :

On observe ici le manque de calfeutrage autour des fenêtres

On observe ici le manque de calfeutrage autour des fenêtres

In an effort to limit the intrusion of the product within your house.

During restoration, maintenance and stain-application projects on roundwood, it is important to prepare all surfaces adequately. Thus, a washing process or stripping process is mandatory. That is why we take all necessary precautions to prevent any water infiltration inside your household.

On remarque que l’eau s’infiltre déjà par les fissures, il faut alors bien calfeutrer et colmater pour éviter de futurs problèmes lors des travaux

On remarque que l’eau s’infiltre déjà par les fissures, il faut alors bien calfeutrer et colmater pour éviter de futurs problèmes lors des travaux

Once blocked, the gaps will not leave water, insects or mold to infiltrate the roundwound siding. Furthermore, the energy efficiency of the house will be improved. Indeed, appying caulking to block the gaps of a roundwood siding is an essential part of any restoration project.

We use a premium quality sealer on all our roundwood projects, specialy conceived for roundwood. Guaranteed 10 years, the caulking that we use is without a doubt the best on the market.

Before we apply the new caulking we remove the old one since it will offer only minimal hold. Also, a thorough washing of the surfaces will promote good adherence.

3- The washing or stripping of the roundwood siding, Le nettoyage ou le décapage des parements de billes de bois rond, according to its original finish :

e3-3_peinture-sur-boisDuring our inspection, it is important to note the finish and condition of the stain or product that is present on the roundwood.

  • If the product or stain is still in good condition we simply need to clean the surfaces with a pressure washing machine since the goal will not be to strip the finish but to revive it.

After washing it thoroughly, a neutralization of the surfaces is performed

We apply an alcaline solution to neutralize the surfaces and whiten them. The wood, once neutralized, will revert to a neutral acidity (between 7 and 8)

  • If the product or stain is flaking at severals spots or is completely gone then it will be necessary to completely strip it. More often than not, when it comes to roundwood sidings we proceed using a blasting method. This technique consists of pulverizing a medium, either corn, recycled glass or sodium bicarbonate, directly onto the roundwood to remove the coats of stain or sealers on them.

Stripping with the help of sodium bicarbonate or any other medium is extremely effective and depending on the medium, eco-friendly.

Stripping with sodium bicarbonate is the most efficient and eco-friendly method of stripping roundwood. In general, between 90 and 100% of the product coating the roundwood will be removed with this process. Any residual products will be removed while we sand the surfaces.

4- Treatment of the blocks of wood using rods of borate and copper :

A step that is not well known but yields incredible results

Little known, the treatment of roundwood with the help of borate and copper rods can help stop or prevent the spread of mold inside and outside of the wood.

e4-0In an effort to restore a block of roundwood destroyed in part by mold, we insert rods of borate and copper that we seal inside the wood. These rods will then release borate and copper which will act against the development of mold for as long as 10 years.

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Borate and copper rods actually completely dissolve within the wood to protect it.

We perform this procedure as a preventative measure on all roundwood closest to the ground and those at the extremities since those are the first to become deteriorated.

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It must be noted however that borate and copper rods can only be inserted on whole blocks and half blocks of roundwood. Any other type cannot benefit from this technology.

5- The sanding of all the surfaces of the roundwood : In an effort to maximize adherence and uniformity.

-When the wood is stripped :

The sanding of the roundwood is extremely important to promote optimal adherence of the products and uniformity once the coating products are applied.

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All the surfaces, however small, must be sanded thoroughly, otherwise the residues of the previous stain will prevent the new coat from adhering and penetrating the wood properly. More often than not, this will lead to flaking.

We always sand using a large grit, this way we’re assured that all the remaining stain or paint is removed. Additionally, this sanding process opens up the pores of the wood to help the stain penetrate the wood more easily.

  • When the stain or other product is still present on the roundwood :

We sand all the surfaces with a large grit. This will effectively scratch the surfaces which will help the next coat adhere properly.

6- Washing the surfaces of the roundwood before applying any maintenance product or stain teinture

On observe ici les billes de bois ronds qui ont été libérés des poussières et résidus de sablage

On observe ici les billes de bois ronds qui ont été libérés des poussières et résidus de sablage

This step perhaps one of the most neglected step when it comes to any roundwood project. Yet, cleaning the surfaces of the wood before applying any product is paramount. Indeed, all the previous repairs and sanding is bound to promote the accumulation of dirt and dust on the wood and the pores of the wood need to be cleaned before any product is applied on them. Failing that, the stain will not adhere properly on the surfaces and flaking is to be expected.

For our roundwood projects we always clean the wood with a product taylor-made for such a task. Diluted in a water solution, we apply the product on all the sidings and rinse it afterwards. Once again, this step is extremely important and helps increase the lifetime of the products that will be applied afterwards.

7- For added protect we can apply an insecticide and fongicide

– When the wood has never been stained :

In an effort to offer services of the highest quality that are as durable as possible, we can apply a insectice and fongicide on all the sidings before we begin applying the stain or sealers. We’ve selected products that are very efficient, durable and have the least effect on the enviroment.

Applied with a sprayer, the fongicide and insecticide will add some protection from insects of all kind, fungus and mold. Additionally, this step need only be performed once and it will protect the wood as long as it is coated with stain.

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Fongice and insecticide can help you avoid uneccessary costs linked to mold and insects and they can be quickly applied with sprayers. Since only one application is necessary this option is more than worth it.

Mixed with ethylene glycol, our termicide, insecticide fongicide will penetrate the wood but will not affect its characteritics.

– When the wood is already painted or stained

If the wood is already stained or painted we can add an anti-mold solution to the stains or sealers that we use. Always effective, our product is very efficient and will not chance the color of the stain nor will it increase the drying time of the stains or sealers that we use. This solution is enviroment friendly and can protect the surfaces of the roundwood in the most optimal way.

8- Applying caulking on all the gaps of the roundwood is more of a necessity than a luxury

Caulking :

Une bande de polyéthylène est insérer à l’arrière des joints, cela évite les pertes inutiles de calfeutrant, isole l’interstice et facilite l’application du calfeutrant.

Une bande de polyéthylène est insérer à l’arrière des joints, cela évite les pertes inutiles de calfeutrant, isole l’interstice et facilite l’application du calfeutrant.

Since all the surfaces have been washed it becomes much easure to apply caulking.   With the help of elastomeric caulk specialy conceived for roundwood maintenance, we seal all the gaps between the roundwood. Garanteed 10 years, the caulking will prevent water, mold and insect infiltration.  Our seals have a thickness of about 1 cm and can cover gaps of as much as 2 cm. Available in 10 different colors, the color of the caulk can be matched to the color of your roundwood.

Fillers :

We apply fillers when the gaps betwen two blocks of roundwood are larger than 2 cm. When the space is too great we use one of the most efficient filler on the market (chink).

Les bandes aident beaucoup lors de travaux de colmatage, permettent une application uniforme ainsi qu’un meilleur rendement énergétique de la demeure.

Les bandes aident beaucoup lors de travaux de colmatage, permettent une application uniforme ainsi qu’un meilleur rendement énergétique de la demeure.

To prevent the over-application of the product we fill the gaps with a gripstrip beforehand. Afterwards, we apply the product on top of the strip to seal the gap for good. Available in 8 different colors, the filling can match the color of the logs and they are guaranteed 10 years.

– If the roundwood already has caulk or fillers applied :

If the wood already has caulk or fillers applied we inspect it to make sure it does not need to be replaced.

If we find that an area could become problematic, we remove the filler or caulk, clean the surface and apply a new product.

9- Applying a primer on the roundwood can help with the uniformity of the finish

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It isn’t rare to see a roundwood siding with a sort of motley color. This is often before of an unequal prenetration of the stain in the wood. Thus, applying a translucide primer can help with the uniformity of the finish whatever the color of the stain that we use.

On remarque ici les différentes inégalités : le produit pénètre plus à certains endroits que d’autres, ce qui est dû au fait que la teinture à pénétré de manière inégale les grains du bois, tantôt plus, tantôt moins. Notre apprêt permet de pallier à cette situation une fois pour toute.

On remarque ici les différentes inégalités : le produit pénètre plus à certains endroits que d’autres, ce qui est dû au fait que la teinture à pénétré de manière inégale les grains du bois, tantôt plus, tantôt moins. Notre apprêt permet de pallier à cette situation une fois pour toute.

Additionally, any primer we use for porous surfaces is always added with additional UV protection. This will have the effect of slowing down any damage caused by sunlight.

*If the wood is already stained, we cannot apply this product.

10- Stain application on roundwood : The best techniques combined with the best products

– If the wood has never been stained

Dans ce cas-ci, nous avons cru bon de ne teindre qu’un seul côté à la fois, afin d’éviter les mauvaises surprises.

Dans ce cas-ci, nous avons cru bon de ne teindre qu’un seul côté à la fois, afin d’éviter les mauvaises surprises.

Once the time comes to apply the stain, we make one last tour around our work space. We try to follow the sun to stain the wood in the shade and therefore, we make sure there no obstacles that may slow us down.

We only use the best quality products. We always want to offer the best service possible so we add an additive to the stain, so that it has an even better resistance to sunlight. Thus, our stain :

  • Offers a unparelelled UV protection
  • Requires the least amount of maintenance in the industry
  • Forms a waterproof coat on the wood that allows to breathe and dry properly
  • Offers a good coverage (350 square feet for the first coat)
  • Allows the subsequent application of a sealer
  • Is enviroment friendly
Tout s’est bien déroulé, comme à l’habitude.

Tout s’est bien déroulé, comme à l’habitude.

If the wood is already protected :

Wood deserves the best protection possible. Nevertheless, when it comes to roundwood, it’s often the case that it is better to stick to the original product. Indeed, using another product can sometimes lead to compatibility issues either with the color or the finish. Therefore, using the orignal product may be the best option under the circumstances.

11- Applying of additional protective coatings on the logs and paint or stain application on fillers

Extremeties of the logs

Oftentimes, the first victims of mold or fungus are the extremeties of the roundwood. Indeed, since the grain of the wood is completly exposed, water can leak through.

Le scellant à base d’uréthane est beaucoup plus visqueux qu’un scellant conventionnel, c’est d’ailleurs grâce à cette capacité d’obstruer d’avantage les pores du bois qu’il empêche les intrusions non désirées.

Le scellant à base d’uréthane est beaucoup plus visqueux qu’un scellant conventionnel, c’est d’ailleurs grâce à cette capacité d’obstruer d’avantage les pores du bois qu’il empêche les intrusions non désirées.

In an effort to mitigate the problem, we apply a urathane based product that coat the pores of the wood and help with seepage. This way humidity will have a harder time accumulating in the extremeties of the wood and you’ll surely avoid costly repairs on your rounwood logs.

– Paint application on the filler

When the fillers are used as a method of repair we make sure to apply some paint to mask the repairs on the log. However, when the filler is an integral part of the siding or the design, we apply a special paint conceived specifically with this product in mind.

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The paint that we use on filler is easy to apply and in general, last a long as the filler itself.

Having the same texture as caulk, our filler paint will meld into the design of the siding and can only enhance the splendor of roundwood structures. Our filler paint is available in all colors and its matte finish is convenient for all situations.

12- Applying the last coat on roundwood :

Without a doubt the most important step of the project. It will dictate how well the roundwood will age.

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Applying the last coat doesn’t really seem like a complex task, it’s true. Nevertheless, it’s important that the surfaces be clean and that the work space is liberated of any clutter.

Since the finishing coat seals the wood and protects all the work that was done it is extremely important that the sealer is apply everywhere. Because the last coat is translucide it is important to make sure which surfaces are sealed and which are not. When in doubt, we aren’t affraid to seal the whole surface again to make extra sure the wood is well protected.

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We normally use a staining system that requires a sealer after two coats of stains have been applied on the roundwood. However, there are some products on the market that simply need two coats. That is because the stain itself already contains a sealer.