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Application Instruction of Cellulosic Taranom Finish


Cellulosic Taranom covering is a new design for beautification of the inner surfaces of the public places.  The Taranom
finish that has gradually established its status among the modern building materials; similar to any other kinds of covering it requires the initial examination of the surface.  As already mentioned, the material is applicable on any type of surfaces after having considered the pre-requisites and preparations.   We proceed in this literature to examine the variety of surfaces with respect to the mode of  preparation and application of the cellulosic Taranom covering, as the surfaces may be different in base.  Major practices in the application of this type of Cellulosic Taranom shall be as follows, as from the beginning to the end.
1-   Identification and determination of the base
2-   Preparation of the surfaces to be covered (removing oil, priming, and…..)
3-   Mode of preparing the materials and the temperature standards of the working area
4-   Insulating the cellulosic Taranom finish, in order to make it washable
     
1-Identification and Determination of the Base
In the first step the worker has to completely make sure of the base material (whether it is an old oil paint, plastic paint, fresh gypsum or gypsum hard-burnt plaster, etc).  To do so it may be learned by visual observation of the surfaces, or inquiring the taskmaster.

2-Preparation of the Surfaces to Be Coated
The preparation of the surfaces are implemented to suit the type of the surface.  For instance, to cover an oil painted surface (particularly in the kitchens), at first the oil should be removed, because the oily surface prevents sticking of the material on oily surface after  it is dried up soon a gap is caused between the surface and the covering material.  This paves the way for falling off the covering material; also turning the material color into yellow.  The surfaces plastered with gypsum clay plaster, the dust should be thoroughly removed by means of a wet gunny sack; and also with respect to the surfaces covered with gypsum, but affected by dampness, initially the blisters and damaged areas should be removed completely, before proceeding to finish work.
With regard to plastic painted or gypsum hard-burnt plaster surfaces, initially some primer should be applied to  prevent  the water content of the cellulosic material  into the gypsum hard-burnt plaster  or the plastic paint.  With regard to the cracked base surfaces, the cracks should initially be treated through priming, then cellulosic Taranom covering applied.  (There are additional explanations in the chapter “Variety of surfaces and the pre-requisites).

3-Mode of preparing the Materials and temperature standards of the working area
After the preparation of the base, comes the turn of the preparation of the materials according to the type of the base and the implementation.  Mixing water with the materials should be carried out in separate stages; that is to add water just in case it is needed at each stage.  In principle, in the case of smooth surfaces, such as oil painted ones that are non-absorbent, the materials applied should be with higher consistency (less water); and lower consistency (more water) for the surfaces with porosity.  Of course the knack of doing it will be obtained through experience.  To prepare the material for a better application, it is preferable to use warm water and after kneading let it remain for half an hour.  Please note, the longer the paste is left the more sticky it shall become (except for some codes that are produced in cream color).
A very significant point pertaining to the implementation stage is the cold weather.  The covering should not be done in sub-zero temperature.  And in case it is implemented within the spaces heated by stove and central heating, it should be ensured of the air circulation, because as a result of humidity due to fast drying in closed spaces the covering shall be separated and comes off.  Therefore, to facilitate the air circulation it is imperative to let the doors and windows open.

Diverse surfaces and the implementation pre-requisites 
The diversified surfaces on which cellulose Taranom covering is practical to apply, need preliminary measures.
     a-   Smooth cement: In case of lack of stains due to dampness or powdering because of aging no other direct action shall be needed.
     b-   Coarse cement: In case of too much porosity, it should be eliminated and also screeding at the corners and edges of the doors and windows, the covering may be implemented.   In the event of uneven surface, the covering may be applied in two layers as prime coat and final.  It is necessary to add that for the application of the second layer, the first layer must dry up.  In this type of base initially should ensure of non-dusty surface by hand touch.
     c-   Kenitex: Such surface includes oily and wet types.  In case the oily Kenites surface is sound, the finish may be applied with no further prerequisite, but if it is old and with come off segments, it should be repaired and filled up by prime coating by means of a spatula.
With regard to wet Kenitex, the wall surface should be totally scraped off by a spatula and the dusts swept off completely and next preparing the surface for implementation of prime coating before final finish.  The prerequisite of applying cellulose finish on oily Kenitex is the same as the wet one. 
     d-   Colored surfaces: These surfaces include the conventional, oily and       plastic ones, which are prepared as follows.

          I-Oily surfaces:  If there is no crack or shedding on the surface, or oil (in particular in kitchens), no problem in implementing the finish, but in case of shed segments or stains, they should initially be eliminated.  To fill up the larger cracks, the deeper layers must be insulated by prime coating and only then it should be implemented.  With regard to kitchen grease, it should be removed with water and foam, because it prevents the adhesion between the wall and material.

          II-Plastic paint:  Since cellulosic Taranom covering is a water base plaster, it is required to cover the plastic painted surface with prime coat, at first.  In some cases, in place of the prime coat, we can apply a diluted oil paint regardless of any dripping or the applicator traces.
     e-   Metallic surfaces: In case the surface is painted or anodized, no problem in the implementation. In case the metallic surface is not painted, it initially should be coated with a layer of oil paint or rust proof paint, completely.  Care should be taken that the surface is free from any industrial grease; and in humid and coastal areas, it should not be directly used on bare metal.  On galvanized and aluminum surface there is no limitation, as long as it is cleaned up, but a thicker material should be prepared. 
     f-   Wooden surfaces: With regard to bare wooden surface it should firstly be coated with a layer of mat oil paint.  With regard to bare chipboard surface, it should initially be coated with two layers of paint (preferably mat) and let it dry up before applying the plaster.  To arrive at a better result, bare wooden and chipboard surfaces should be coated with two thick layers of oil paint, without adding thinner, kerosene, and gasoline, which are mainly added for diluting the paint before applying the cellulosic Taranom finish.  The latter should be noted in humid and coastal areas also.
     g-   Glass, ceramic, and plastic surfaces: These surfaces may readily be coated, if they are free from any soot and grease.  Pertaining to ceramic, due to its texture applying two layers of material is necessary.  The initial layer shall serve as the base and the second one as the top layer.
     h-   Gypsum and Gypsum Clay Surfaces: The gypsum surfaces are of the best and easiest ones to apply patina.  Of course, the surface with hard- burnt gypsum plaster must be primed before finish. 
In the event that there are stains or dripping on the surface, it should be removed and smoothened by sand paper or the spray of vinegar before finish.  The surfaces with gypsum clay are also treated same way.  To implement cellulosic finish over a gypsum clay surface, before the application of gypsum clay, the master craftsman should be requested to screed and level the edges and corners of the doors and windows, only then the patination is carried out without any further prerequisites.

Note: Through some observations it has been noted that some surfaces already covered by wall paper, but it is not disclosed to the contractor.  Since the glue of the wall paper loosens and powders the wall material it harms the application of the Cellulosic layer.  Therefore, it is recommended to advise the contractor whether any wall paper used on the surface intended for the application of the Cellulosic finish, so that the prerequisites to be considered.

4-   Insulating the Cellulosic Taranom Finish in Order to Make it Washable
Usually special insulating primer is applied in order to make the Cellulosic Taranom finish into a washable one.  The material is an off white color stuff soluble in water, and it is applied only after drying up of the base work.  The insulating mixture is prepared by equal proportions in volume with water, and it is applied by a roller, or a wide brush for plastic paint (as will be explained by the contractor).  It is of extreme importance that the applicator strokes move in vertical direction only, and the horizontal strokes to be strictly avoided.

Note: It is recommended to avoid insulating the roofs, because in case of water penetration through the roof it is trapped on top of the insulating layer and eventually end in the collapse of the whole roof, because there is no room for the trapped water to evaporate.  Therefore, it is recommended to avoid insulating the roof, whatsoever, and in this way a small and reparable damage in the roof can be  prevented from turn into a major one.
What is primer special for  behind work ?
Primer or the same  first grade  fibers oil ( primer oil) is an oily  material that   should  be performed  before performing  materials   on surfaces that are base of water like  plastic color ,  killed gypsum,  or watery   kenitex. If  before  on a wall,  a  wallpaper  is installed,    lower surface should be investigated .   if  lower surface of wallpaper   looks  yellow, first grade  fiber oil ( primer oil) should be performed ,surely because in case of  not performing  fiber oil  ( primer oil) ,  cellulose coverage will  tend to  yellow.
How  primer can be prepared and performed?
 We  mix first grade fiber oil(primer oil)  by taking type of  behind work with oil thinner   . for example  ,  if surface behind work is  killed , value of thinner should be more   than oil and vice versa . if  it is kenitex ,  value of oil should be more than  thinner.
After drying  oil during  12 to 24 hours ,  surface  is ready to perform  cellulose coverage.
Note:
To  extremely assure ,  opaque  oil can be added   to first grade fibers oil ( primer oil) and then  we mix  thinner with it.
 From where , primer can be  provided?
Primer or  first grade  fibers  oil  ( primer oil)  can  be provided from all color shops inside the country , easily.
 Mixing  fibers  oil  and oil  thinner with  wide brush (special for   plastic color) is  performable    on a wall ,easily and quickly.
How to use  special resin  to wash  cellulose  coverage   for patinesazan  Fars Co.
Resin used for Tarannom  cellulose  coverage  is done  for three goals:
1-   Capability  of 100% washing
2-   Being upper of quality
3-   Making  easiness   in work and  its cost-effectiveness
How to perform:
 To prepare  Tarannom cellulose  coverage ,  first    we   mix an amount of required water to  separately perform  materials  , with  one half to one liter  of given resin and  then,  we add made solution to  dry materials . now    materials  are ready to  performed on surface.
 It should be noted that    given resin  as pure with Tarannnom  materials    would not mixed at all , hence  it causes non-uniformity in work.
Note: property of using  this type of resin  in above way is that it causes  tension of material as 1 m more than  natural tension  of cellulose coverage  without  resin and it also helps material resistance against  severe  moisture and   increasing quality  as  50% against  surfaces  having moisture and  decay .
In order to  increasing  power of resistance  against  water, we  act as follows:
1)after  preparing  materials  and  performing it on given surface,    we mix one liter  of water  as per  3 Liter of resin    then perform  it by a special brush which we use for  plastic color
2)after drying  resin,   we iterate this action  by mixing one liter of resin  and 2 liters of  water ,again.
3)in the last stage ,  we mix  one liter of resin with one liter of water and  perform  on previous dried   resin surface .
Given resin  causes   closing  fine holes of  performed surface  due to   dilution,  and  completely , prevents   water to enter cellulose coverage