There is a certain category of hard-to-remove stains, which includes resin stains. These stains are sticky and cure very quickly, making them difficult to clean, especially for stubborn stains. Many people feel dizzy when looking at the resin drips, but using the tips below, you can easily clean your clothes or various surfaces from resin.
There are different types of resins, since this term refers to a whole group of substances that are solid at normal conditions and softening when heated. Cars are most often contaminated with bitumen, a compound used for paving roads, and clothes can be stained with tar from tree bark while walking. In the latter case, the spots often go unnoticed, and when they are found, the thing is either sent to a distant shelf or thrown away. This should not be done, as tar stains can be cleaned using different methods.
How to clean resin from fabric
How to clean resin from wood
For the decoration of saunas and baths, wood is always used, and often at first, when heated, resin is released from it. These streaks do not look very aesthetically pleasing, so you can try to eliminate them.
You should be aware that the release of resin may not occur at one time, so if the pine boards are new and resin has come out on them, then you can wait some more time, and after the resin stops standing out, you can start removing stains.
You can remove the resin from the tree with a chisel, spatula or knife, and then wipe this place with turpentine or white spirit. If there is a lot of resin, but wooden surface smooth, you can use sander to remove resin stains.
How to remove tar from metal
This problem is familiar to motorists who have had to drive on newly paved roads. After that, stains and streaks of resin (bitumen) remain on the surface of the body. If they dry up, it is very difficult to remove them, so such contamination must be removed as quickly as possible.
- Since dust and various impurities settle on the body, when rubbing resin stains, these particles can turn into an abrasive and dullness will remain in the spot. To avoid this, the car body is thoroughly washed before starting work.
- Next, special compounds are applied to the tar spots to remove bitumen - DECABIT, Sonax, Antisilicon, etc. Some also use white spirit, solvent or diesel fuel.
- After removing the stains, the body parts must be polished to restore their former shine.
It is important to follow safety rules when removing any tar stains: protect your hands with gloves or a special cream, work in a well-ventilated area without possible sources of ignition.
A CONSTRUCTION EXPERT SPEAKS ABOUT WHAT SURPRISE WOODEN FRAMES CAN LEAD TO THE DEVELOPER AND HOW TO GET OUT OF A DIFFICULT SITUATION.
We love wooden houses. Almost all suburban buildings are filled with wood products. We like the tree for beautiful view, freshness and pleasant smell, affordable price and many other valuable qualities.
However, he also has weak sides: tendency to decay and defeat woody mushrooms, excessive resin production from wood conifers, especially pine and spruce. Subject to all technological rules fungal attack can be avoided, but the resin in the wood can show up in unexpected ways. We encountered this phenomenon quite unexpectedly.
A PROBLEM HAS COME, WHERE WE ARE NOT WAITING FOR!
For country house large wooden windows and double-glazed doors were ordered. We have previously studied the manufacturer's samples, and even ready-made installed window blocks in a residential building that has been in operation for several years.
There were no quality issues. Under a layer of clear lacquer, the pine window blocks looked flawless. Overpaying for oak structures was considered unnecessary.
For home chose Brown color window blocks and doors. Looking ahead, let's say that this was our first mistake.
The beautiful window blocks were installed in September. Until next summer, the windows did not cause any problems. But with the onset of hot summer on the south side of the house, paint swelling was found on the surface of the frames, which immediately caused concern.
After a few days, resin began to show through the paintwork. And there were at least two dozen such plots on the window blocks. Initially beautiful windows immediately lost sight. What to do?
The contractor who manufactured and installed our window blocks was urgently called. A company spokesman immediately said that this was the first case of such a defect.
Withdrawal field paintwork in the resin areas, resin pockets and areas of wood abundantly saturated with resin were found. In the sun, the dark brown surface warms up more than the light one, and this contributed to the release of resin from the wood.
REPAIR OF RESIN POTS
In the fall, after the bulk of the resin had flowed out of the wood during the summer months, we proceeded to repair work... After removing paint from defective areas of window frames, we identified up to two dozen resin pockets and three areas with tar. It was necessary to somehow remove the resin from the wood, otherwise it would constantly stand out and destroy the paint coatings.
The problem was solved mechanically: a piece of wood with a resin pocket was cut to a depth of 5 mm. Then the recess was sealed with a so-called boat - an insert made of dry, non-resinous wood, installed on glue. We did all this by hand with single resin pockets.
After sealing the resin pockets, they began to eliminate the pitching. These are volumetric defects, and the tarnished areas must be repaired with a continuous layer of clean wood. To do this, the front sections of the frames with tarring had to be cut to a depth of 3-5 mm using wide chisels and sandpaper.
These stripped areas were tightly fitted and glued in with healthy wood inserts. After the glue dries window frames sanded and thoroughly treated with acetone to remove resin residues, and then the parts of the frames being repaired were thoroughly washed hot water with soap.
Now it was possible to start restoring the paint layer. The areas to be repaired were plastered with a finely dispersed filler. Then they were thoroughly sanded, primed and painted in two layers.
FINISH IN TWO OR THREE LAYERS
I had to paint by hand, with a small roller and brushes. It was not possible to achieve high-quality painting the first time. I had to grind and paint again. Some areas were painted well the second time, and some the third. But persistence has brought the desired result. The areas being repaired have become almost indistinguishable. True, doubts remained: how will the renovated places behave in the next season? Will the resin come to the surface again? But no, summer inspection showed that no resin had seeped anywhere through the healthy wood barrier. The windows were saved.
IF YOU DO FURNITURE
Using the example of resin in wooden windows, I wanted to show how important it is to be careful with the choice of wood for furniture and wooden products... It is necessary to carefully select the material, sorting out all the blanks with resin pockets, and even more so with tar.
Clapboards and floorboards should also be sorted before use. Sealing resin pockets and especially pitching is a very time-consuming job, so it is better to put boards with such flaws on rough work.
IF BUILD A HOUSE
In houses with log cabins made of timber or rounded logs, there are also resin pockets and even pitching. The problem is that GOST 8486-86 “Coniferous sawn timber. Technical conditions»Allows the presence of resin pockets even in the highest (selected grade) sawn timber on any one-meter site in the amount of 1 piece. length no more than 50 mm. In lumber of the 1st and 2nd grades, 2 and 4 pockets are allowed on any one-meter section along the entire length of the workpiece. Therefore, in the contract for the construction of a house from a bar or rounded log Special attention should be given to resinous defects.
Of course, there are practically no spruce and pine woods without resin pockets, but let them be like in a selected type of wood - they are small and small in size.
As a consolation for homeowners who already have log houses with resin pockets or pitching, I want to say: wood with resin is more durable, and the smell of resin containing many essential oils, not only pleasant, but also useful.
- RESIN POCKETS IN WOOD CALLS ARE CALLED OR INSIDE ANNUAL LAYERS. OR BETWEEN THEM. TREES FILLED WITH RESIN DURING LIFE.
- GRINDINGS THERE ARE LOTS OF RESIN SITES OF WOOD. FORMED AS A RESULT OF INJURED CONIFEROUS STORKS. CONTAINING RESIN ROUTES AND RESIN CELLS. RESIN COLLECTES ABOUT SUCH PLOTS OF WOOD AND REMAINS THERE FOREVER.
REMOVING RESIN POCKETS IN WOOD - VIDEO
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High content of natural resins, thanks to which wood conifers less vulnerable to rot, mold and bark beetle, determines the popularity of the use of these species in construction. However, this property is also a disadvantage. Conifers, especially freshly cut ones, tend to release resin, which makes it very difficult to process the surface of the tree, since the resin adheres very much to everything that comes into contact with it.
In addition, the tar spot darkens. Such unexpected release of resin (sap) makes it necessary to carry out additional work to remove this resin from the surface. The staining of the place with resin does not work well, and sometimes the varnish layer is not applied at all.
Resin – it is a heterogeneous mixture of resin acids, fatty acids, esters of these acids, sterols, alcohols, waxes and rezenes. The resin content in coniferous wood is associated with the physiological processes of their respiration and growth.... It has been experimentally proven that the content of the essential extract is maximum in autumn-winter and minimum in spring-summer, since the resin is consumed during the intensive growth of the plant.
Here are several ways to eliminate resin drips on a finished product.
Deresinization is carried out only after surface grinding. This is due to the fact that this process is carried out only to a depth of 1-2 mm. Subsequent heating may cause resin to come out even after the paint has been applied.
Deresinization with chemicals does not give a full guarantee that resin will not appear on the coating later.
- Effective remedy to remove the resin is a mixture of 25 g liquid soap dissolved in 1 l hot water... Add 50 ml to the resulting solution with stirring ammonia.
1. Use of solvents.
Resin solvents are used:
- turpentine;
- alcohol;
- refined gasoline or white spirit;
- nitro solvent.
- acetone;
These products quickly dissolve the resin and volatilize easily, but do not affect the appearance of the wood and, most importantly, do not leave any signs of processing. With the help of the listed means, they process large areas the surface of the timber. The final cleaning procedure is rinsing with ordinary warm water.
2. The use of alkaline solutions.
An alkaline composition can be used to remove the resin from the surface of the bar. Alkalis are used to remove resin from large surfaces. From available tools, you can use solutions of soda and potash to remove resin and resin from the surface of the timber. The mixture is prepared like this:
Dissolve 50 g of potash or 50 g of soda in 1 liter of hot water and add 250 ml of acetone;
25 g caustic soda per 0.5 liter cold water and 250 ml of acetone.
These solutions are used to remove the resin from the surface prior to processing, and should not be used on already painted parts and not with finished products... It is important to remember that it is very difficult to remove alkali from the grooves between the crown crowns. Residual solutions destroy the paint coating by forming crystals.
3. Use of ammonia-containing solutions.
Ammonia is one of the most effective agents used to dissolve the resin. His distinctive feature- no traces of surface treatment. It is diluted with acetone, applied 2-3 times to resin drips and rubbed with a brush or brush until foam forms. After that, after 20 minutes, wash off the foam with water.
It is better to carry out the processing of tar with any alkalis in a hot state. Alkalis should be applied with any brushes other than metal brushes.
The resulting foam is rubbed over the surface and the saponified resin residues are washed off big amount water. To remove finally the alkali residues remaining in the grooves between the crowns, it is washed out with a solution of acetic acid in a ratio of 1:50 (the acid is poured into water, and not vice versa).
Acetic acid solution is applied with a sponge, hands should be protected rubber gloves... Then the entire surface is washed off with water. Reapplication of paint and varnish coatings is carried out only when the wood is completely dry.
Hopefully these tips will help remove tar from wood surfaces?
P.S .: Using dried wood in drying chambers partially removes the resin. Cutting out parts of blanks with resin from lamellas in the manufacture of laminated veneer lumber is a more cardinal solution to get rid of this wood defect. In practice, it is impossible to completely remove the cause of the release of the resin!
The scent of freshly sawn wood. Smell pine forest... Nice feeling of forest and nature. Fresh and healthy air.
We dream of all this when we build wooden house... But not everyone knows that it is the resin that causes headaches for many happy owners of houses from a bar. As we mentioned in the article What is the larch crying about? pine and larch (especially freshly cut ones) tend to release resin to the surface, which makes it very difficult to process the surface of the tree, since the resin adheres very much to everything that comes into contact with it. In addition, the tar spot darkens. Such unexpected discharge of resin forces additional work to be carried out to eliminate this resin. The staining of the place with resin does not work well, and sometimes the varnish layer is not applied at all. Spoiled appearance beautiful polished walls suggests an answer to the question:How to get rid of resin on wooden walls?
Here are several ways to eliminate resin drips from pine and larch.
Deresinization is carried out only after surface grinding. This is due to the fact that this process is carried out only to a depth of 1-2 mm. Subsequent heating may cause resin to come out even after the paint has been applied.
Degumming with the help of chemical agents does not give a full guarantee that the resin will not appear on the coating later. Cut large areas of resin bleed through sharp knife, glue wood in the form of veneer or fill with putty. Resin solvents are used:
- turpentine,
- alcohol,
- refined gasoline or white spirit,
- nitro solvent.
- acetone,
These products quickly dissolve the resin and volatilize easily, but do not affect the appearance of the wood and, most importantly, do not leave any signs of processing. With the help of the listed means, large surface areas of the timber are treated. The final cleaning procedure is rinsing with ordinary warm water.
An alkaline composition can be used to remove the resin from the surface of the bar. Alkalis are used to remove resin from large surfaces.
Ammonia is one of the most effective agents used to dissolve the resin. Its distinctive feature is the absence of traces of surface treatment. It is diluted with acetone, applied 2-3 times to resin drips and rubbed with a brush or brush until foam forms. After that, after 20 minutes, wash off the foam with water.
From available tools, you can use solutions of soda and potash to remove resin and resin from the surface of the timber. The mixture is prepared like this:
1.50 g potash or 50 g soda dissolve in 1 liter of hot water and add 250 ml of acetone,
2. 25 g of caustic soda for 0.5 liters of cold water and 250 ml of acetone.
These solutions are used to remove the resin from the surface prior to processing and should not be used on already painted parts and not on finished products. It is important to remember that it is very difficult to remove alkali from the grooves between the crown crowns. Residual solutions destroy the paint coating by forming crystals.
An effective resin remover is a mixture of 25 g of liquid soap or neutral wood soap, dissolved in 1 liter of hot water. 50 ml of ammonia are added to the resulting solution with stirring. It is better to carry out the processing of tar with any alkalis in a hot state. Alkalis should be applied with any brushes other than metal brushes. The resulting foam is rubbed over the surface and the saponified resin residues are washed off with plenty of water.
In order to finally remove the alkali residues remaining in the grooves between the crowns, it is washed out with a solution of acetic acid in a ratio of 1:50 (the acid is poured into water, and not vice versa). The acetic acid solution is applied with a sponge, hands must be protected with rubber gloves. Then the entire surface is washed off with water.
Reapplication of paint and varnish coatings is carried out only when the wood is completely dry.
We hope these tips will help. remove tar on wooden walls?
Conifers are mainly used as construction timber for wooden housing construction: pine and spruce. When painting conifers, take into account the presence of resin in the wood, which, due to the capillary effect, tends to emerge to the surface. This process is natural, but often not desirable: on painted wooden facades you can see contrasting spots yellow color or resin drips. What to do in this case? Can any facade paint insulate resin? Such questions are often asked by our customers. This issue is actively discussed on Internet forums, but there are often conflicting and non-professional statements. We turned this question to Finnish specialists from the Science and Technology Center. Teknos who develop materials for wood dyeing. The answer was unequivocal: if for construction was used softwood with a high resin content, then there is no such paint material, which would be guaranteed to exclude the development of resin. As confirmation, we present a photo provided by one of the construction companies. Facade wooden house in the spring of 2015 was painted with a popular material Vinha (Tikkurila)... In the autumn of the same year, clearly visible yellow spots around the knots appeared on the facade, and in selected locations you can see the release of resin in the form of drips.
On the facade you can see resin “protrusions” from under the covering paint.
Finnish woodworking factories, in order to reduce the resin content in sawn timber, must withstand the sawn wood for at least six months and then remove the resin-containing surface layer. How additional remedy special primers-insulators are used, which slow down the process of resin development. Concern Teknos insulating soil is produced white Anti Stain Aqua 5200... This primer is used for industrial painting wooden windows from larch and prevents yellowing of the finish paint. But the use of an insulating soil does not completely solve the problem of resin release, and therefore, during the production of window beams, the wood undergoes preliminary screening: problematic knots and places with strong tarring are cut out. Company Tikkurila produces a special varnish - Oksalakka designed to slow down the transfer of resin from knots through a layer of top coat. But varnish Oksalakka recommended for indoor use only, and not for use on facades.
Finnish specialists Teknos recommends paying great attention to the quality of the wood used. If there is a likelihood of a high resin content, then choose colors for painting your home on which resin stains will be less contrasting and less noticeable. If resin stains form on the facade, wait for the resin to crystallize and remove it mechanically.