Damp

Beat Damp with the Damp Protect Solution

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 Beat Damp with the PROSYSTEM solutions

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Damp

BEAT DAMP WITH THE PROSYSTEM SOLUTION

THE PROBLEM OF DAMP
Damp is a problem found in the walls of many buildings, particularly those built before the use of protective membranes in the foundations. Damp is one of the main causes of building deterioration, particularly in older constructions. The presence of water in the walls can lead to significant problems:

• Reduced thermal performance and a consequent increase in heating requirements
• Appearance of marks and mould on the walls and detachment of plasterwork in more serious cases
• As time goes on, wall structures can suffer damage that is very difficult to repair.

THE IMPORTANCE OF IDENTIFICATION
For the reasons explained above, it is best to deal with damp problems as soon as they appear. Correct identification of the issue is equally critical, allowing the root causes to be pinpointed

• First of all, basic information regarding the building should be compiled: from locating plumbing connections, guttering and drains to identifying the presence of ground water.
• This is followed by a visual inspection, carried out with the help of an expert. During this phase, the presence of damp is carefully mapped, attempting to understand how long the problem has existed and under what conditions, etc
At this point, the expert will be able to establish which of the four main types of damp are behind the damage (atmospheric humidity, condensation, rain penetration and rising damp) and what the solutions are.

RISING DAMP:
This is one of the most common problems and also one of the most difficult to eradicate. It is caused by the transmission of water via capillary action with a process similar to osmosis.

This leads to water and dissolved salts rising up through the walls. In addition to negative aesthetic impacts, this type of damp not only causes deterioration of the walls themselves (swelling and disintegration of plasterwork and mortar joints, formation of mould, corrosion of bricks, etc.) with associated effects on mechanical performance, but also creates bad odours and health risks for inhabitants due to the formation of mould. This is the most dangerous type of damp because it is self-sustaining, with water rising via capillary action from a constant source. Due to the physical nature of the phenomenon, the whole body of the material is affected and it can lead to early degrading of the structure if underestimated.

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DAMP IN WALLS
Rising damp due to capillary action is caused by the attraction of water to porous materials. A newly built wall is completely uniform within. More specifically, the positive and negative electrical charges present in all solids are uniformly distributed through the mass of the wall. Considering that water is itself polarised, becoming an electrical conductor when it contains salt ions, acids and bases, and that the microstructure of the constituent materials (bricks, tuff, mortar, etc.) feature microcapillaries, the base of a wall standing in water acts as a solid soaked in an electrolyte solution

In the capillaries, which are small channels with dimensions in the order of mm2 , absorption occurs at the interphase of dissolved substances which, as they are charged ions, create an electrical field. More specifically, as the construction materials are inert solids (silica, quartz, carbonates and similar) the positive charges (cations) progressively accumulate on the surface of the aforementioned capillaries, while the negative charges (anions) are able to move in relation to these. The water absorbed by the walls contains mineral salts (nitrates, sulphates and chlorides) and other substances contained in the earth below, causing the typical characteristics on the surface of the wall as water evaporates on contact with the air, including: marks, rings, flaking of paint, mould generating unpleasant odours, efflorescence and detachment of plasterwork. The filtration of salts through walls and crystallisation within them makes the structure even more hygroscopic.

For a clearer idea, consider that just eight grams of salt can absorb one litre of water. Generally, capillary rising damp occurs until the point at which the evaporation rate is equal to the absorption rate of the wall. Problems of this type are found predominantly in buildings surrounded by ground water (the earth is directly in contact with the external wall) in old buildings with very absorbent mortar, and particularly in cellars and basements. This is why these rooms often feel significantly cooler than upper floors.

ELECTROOSMOSIS

This consists of the formation of a weak electromagnetic field between the wall and the earth and represents a modern solution to rising damp successfully implemented by PROsystem. Implementation times are in the order of a few hours for installation and commissioning of the equipment.

OPERATING PRINCIPLE:

The generally porous nature of the wall material itself causes the process of rising damp in porous and permeable materials (leading to efflorescence, marks and general deterioration). This process is governed by Jurin’s law

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This relationship can be simplified to hmax = K/r, where the constant K contains the characteristics of the liquid and its interaction with the solid surface. Considering that in the case of 0 water, the relationship can be approximately expressed hmax = 15/r, which provides hmax in metres, if the value of r is introduced in μm.

Obviously, the force acting directly against the rising damp is gravity: it has been calculated that the theoretical equilibrium between upward and downward forces is reached when water rises to a height of 15 metres. This does not occur in practice in walls because a state of dynamic equilibrium is reached between the flow of water rising (potential difference against force of gravity) and the surface evaporation, due to which the maximum height reached by rising damp is usually only a few metres. This is determined, in addition to the characteristics of the air around the wall, also by the microstructure of the material itself (volume of porosity, average dimensions of holes and their distribution), as well as by whether or not the wall is plastered.)

The PROsystem dehumidification solution exploits the fact that rising water present in a wall is actually an electrolyte solution with various dissolved salts. Therefore, in addition to capillary forces, electrokinetic phenomena are also acting within the wall. These create an increasing spontaneous potential difference over time between the surface of the solid and the mobile liquid mass and, more specifically, a positive electrical field is generated at the foot of the wall (in contact with the water) and a negative field above (the evaporation zone). Inside the wall, the electrical charges are no longer uniformly distributed, but are distributed as shown in the diagram.

 

The PROsystem dehumidification system essentially exploits the fact that between the damp wall in contact with the earth and the dryer wall higher up, a spontaneous electrical potential difference is generated, due to the rising capillary action of the water.

In fact, the cations present in the electrolyte solution such as H3O+, Na+, K+, Mg+, and Ca++, etc. move upwards and towards the evaporation zone (inside) where the salt ions, with a lack of water and in the presence of O2 and CO2, are reprecipitated as oxides and carbonates (marks, efflorescence, etc.).

It is important to remember that the positive electrical field is found at the point of water entry and the negative field in the evaporation zone. It is clear that the point of entry is fixed and constant, whilst the evaporation zone can vary on the basis of the amount of water present in the surrounding earth, both due to ground water fluctuations and precipitation. This can also influence the “push” of the water, i.e. the degree of percolation through the wall.

An electrical field is therefore present which is generated electrostatically by the polarisation spontaneously established in the wall due to the process of rising damp itself. On the basis of the fundamental laws of electrostatics, the PROsystem method opposes rising damp by inverting the polarity, thus reversing the phenomenon. This effect does not decrease over time and acts constantly in proportion to the process of rising water, re-establishing the “natural” humidity levels of the wall.
The PROsystem method not only uses electrostatic induction to beat rising damp, but also uses very-low-frequency electromagnetic induction, opposing the variation in polarisation of the liquid in the capillaries with variations in the fluid-dynamic state in the capillaries, which is determined under changing system conditions.

THEORETICAL PRINCIPLE:

“If a body of water is transferred to a porous rock-like substance, a potential difference is generated which can be measured in millivolts.”

THE PHYSICAL PHENOMENON IN PRACTICE:

If you place a brick in a container of water the water rises up due to capillary action. The rising water produces an electrical field which can be measured in millivolts.
In the same way, a wall built on water-rich ground will become damp due to capillary action. A natural, measurable electrical field is generated.

EXPLOITING THE PHYSICAL PHENOMENON:

The PROsystem solution generates an electrostatic and electromagnetic field greater than and in opposition to that occurring naturally, meaning that rising capillary action is first halted and then inverted. The water contained in the wall returns to ground through the same pores in which it rose.

The PROsystem solution is pollution free, entirely reversible, extremely flexible, functions perfectly also on basement walls, and self-adjusts on the basis of wall dampness levels. Because the solution acting as a vehicle for the current generated is water/salt, the process self-adjusts as the electrical field governing the movement of water is automatically distributed throughout the entire wall, including columns, cornices, recesses and projections.
The entire wall is dried in an identical manner

The PROsystem electronic dehydration solution has been successfully used in practical tests over the last ten years in the following sectors:

• Historic buildings

• Architectural renovation

• Conservation of monuments

• Dehumidification of civil and industrial structures

• Prevention in new builds

• Buildings in areas prone to flooding

The PROsystem dehydration solution is based on stabilisation of electrical voltages which circulate within the penetrating electrical field of the damp.
The PROsystem solution transmits electromagnetic impulses that produce a natural barrier to damp in the parts of the wall affected, without the need for structural work. The result: the wall dries quickly and permanently.

MODELS AVAILABLE:

system dehydration solution is currently available with four different devices capable of protecting environments with an 11 to 67-metre range.

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The electronic equipment requires a standard 220V socket (phase+neutral+earth)

CERTIFICATIONS

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ADVANTAGES

NATURAL SOLUTION:

The PROsystem dehydration solution does not require the use of chemical or synthetic substances

HEALTH:

The PROsystem dehydration solution improves the air quality in the building in question.

FLEXIBILITY:

The PROsystem dehydration solution is designed to be carefully adapted to the specific requirements of the materials involved.

COMPREHENSIVE PROTECTION:

The PROsystem dehydration solution is effective in any type of structure: external, internal or dividing walls

COST SAVINGS:

The costs of investing in this solution are far lower than the comparative costs required for alternative measures which require structural demolition and rebuilding work.

ADVANCED TECHNOLOGY:

Device featuring control panel with status indications. In case of power outage, the device switches to battery power and this is indicated via an automatic status light. No setting or maintenance is required.

EFFECTIVENESS:

The PROsystem dehydration solution has been in use by trade professionals for many years because it is extremely effective and undeniably good value, and now it is also available for use in the residential sector.

RELIABILITY:

The tried and tested technology used by the PROsystem solution guarantees completely effective resolution of all rising damp problems

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230 V AC/12 V DC Batteries: 2 x 1.5/UM-2 Alkaline

CONFORMITY

The manufacturer declares that the equipment is compliant with European safety standards, specifically:

 
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RESEARCH

PROsystem research team is always at the cutting edge in terms of processing data received from the various system users, thus allowing improvements and specific measures for even the most demanding and unique damp-resolution requirements. Both national and international clients have constant access to our quick, and highly qualified technical-assistance.

WARRANTY

The manufacturer guarantees the product for 3 (three) years. The warranty covers the equipment for all damage due to manufacturing/installation defects, or hidden defects in the component materials. The warranty is void in the case of tampering, serious negligence during use or damage due to natural disaster, fire or flooding of the building.

PROSYSTEM

what capillary damp 1a

WHAT EXACTLY IS CAPILLARY DAMP?

Capillary rising damp is characteristic of old buildings, built at a time when builders were unaware of waterproof materials such as bitumen and the like, which are now used for waterproofing. Moreover, old buildings are often built without foundations, directly…
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WHAT EXACTLY IS CAPILLARY DAMP AND WHY DOES IT OCCUR?
Capillary rising damp is characteristic of old buildings, built at a time when builders were unaware of waterproof materials such as bitumen and the like, which are now used for waterproofing. Moreover, old buildings are often built without foundations, directly on the ground. Since the basic construction materials (brick, stone, mortar, concrete…) are to a greater or lesser extent porous, through them, that is through microcapillaries existing in their structure, damp gradually moves upward from the soil.

The “culprit” for this is the surface tension of water, which occurs due to the polarisation of water molecules, and its direct consequence is capillarity. Due to capillary action, water “climbs” up the wall, and while moving, creates an additional electromagnetic field in the wall, which enhances the capillary effect.
capillary damp 02a

HEALTH HAZARD

1. Material disintegration and destruction Damp rises up the walls, carrying dissolved salts and nitrates. When the damp evaporates and dries up, the salts crystallise, and given that crystallization stress is one of the highest in nature, the resulting pressure…

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HEALTH HAZARD
1. Material disintegration and destruction Damp rises up the walls, carrying dissolved salts and nitrates. When the damp evaporates and dries up, the salts crystallise, and given that crystallisation stress is one of the highest in nature, the resulting pressure causes significant damages. Water in the wall changes its physical states. Frost in the winter and vapour in the summer rotate in the structure, causing the constant slow destruction of the structure, i.e. the disintegration of the wall. This means that the structure itself weakens in its functional sense. The worst damage usually occurs in the wall zone up to which damp rose, that is, where it stopped rising.

2. Unpleasant smell of damp The smell of damp is actually the smell of stale water in the walls that evaporates from the walls, spreading bacteria and fungi thus saturating the space and causing increased atmospheric humidity. Such spaces are unpleasant to stay and work in.

3. Health risks The presence of mould, water damage, or musty odours should be addressed immediately. People with weakened immune systems are particularly susceptible to mould-related illness, also infants and children and the elderly. Mould can produce toxic substances known as mycotoxins. Persons exposed to toxic mould can experience a variety of health effects, these include: Allergic and other immune responses: allergic sinusitis, allergic conjunctivitis, eczema, asthma, hypersensitivity pneumonitis, and allergic contact dermatitis. Infectious responses: mycosis, aspergillosis. Mycotoxin responses: commonly exhibited as eye and throat irritations. Neurotoxic responses: headache, fatigue, dizziness, memory and verbal problems, depression.
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DEHYDRATION PROCESS

Firstly, water from the highest levels of the walls to which it has risen slowly begins to move towards the lower parts. – In the initial phase of the system, when the damp inside the walls starts moving, it…
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DEHYDRATION PROCESS
– Firstly, water from the highest levels of the walls to which it has risen slowly begins to move towards the lower parts.

– In the initial phase of the system, when the damp inside the walls starts moving, it can result in an increased evaporation of damp into the space that causes increased atmospheric humidity. This change of dehydration indicators may be visible on the building, but not necessarily. Because of this phenomenon, it is necessary to ensure good ventilation of the space which is important in the process of dehydration, at least in the first weeks of the system operation.

– During the dehydration process, the surface parts of the walls are the first to dry up. Thus, the damaged materials (paint and plaster) increasingly flake and fall off. It is also one of the indicators of the changes that occur due to building dehydration.

As a result of the dehydration process, materials often change colour (become brighter) and become smoother to the touch.

Damp Protect Agents | Dealers

Agents- AUSTRALIAEmail Contact Number
Inspectrite Australialance.gunther@inspectrite.com.au0419 395 229
Organic Pest Controladmin@organicpestcontrol.com.au07 3299 6006
Termite Choicesadmin@termitechoices.com.au0429 458 330
Verminate Pest Controlverminatepest@gmail.com0434 581 598
Dealers - USAEmailContact Number
Filter Queen Bermudafilterqueen7@yahoo.com441-292-9232