Dec 19, 2007 of the complaints about electro osmotic damp proofing that bre has investigated, some have involved condensation problems that the installation could not be expected to cure. Using osmosis a small current positively charges free moisture molecules, which are repelled from the positive anode and attracted to a negative cathode that is buried in the ground, just as the poles of magnets repel or attract each other. In fact the electro osmotic damp course system is the only treatment for rising damp that can be installed above a timber floor to drive excess moisture down to a level beneath them, fulfilling a vital requirement of a damp proof course. We have been treating properties for damp and timber decay for nearly 30yrs in the uk and started treating property in spain in 2001. Heres a good example of how the homeowner was conned into having both electro osmotic damp proofing, and injection damp proofing neither of which work, and for which there is a. Damp proofing cork lectros electro ireland lectros damp. Electroosmosis is effective for at least 19 inches below the level of installation, so that it can be used above floor level but still protect joistends below the floor. Salt damp is used throughout this guide to mean the combination of salt attack and rising damp. A small, but sophisticated, damp detector electroosmosis power control unit that manages, monitors and displays the electrical charge carried through the wall by moisture. Pdf stateoftheart on methods for reducing rising damp in masonry.
The electro osmotic system works by introducing a small electric charge in to the wall just above ground level. Found naturally in most masonry structures, the equilibrium will be evident in its many forms, such as, temperature where heat spreads from hot to cold, in water where dampness invades a dry area, and electricity where a positive charge flows to the negative. Damp proofing is defined by the american society for testing and materials astm as a material that resists the passage of water with no hydrostatic pressure and waterproof as a treatment that resists the passage of water under pressure. Electro osmosis is scientific theory that is being pushed by various manufacturers as a cure for rising damp. Electro osmosis damp proofing course dublin and whole ireland. Get wise to the driest solution for rising damp is a revolutionary new treatment of rising damp for the 21st century.
None of the electro osmotic systems seen in the surveys worked. Im in the process of installing a lectros osmotic damp proofing system in my victorian property. It works by introducing a very small perfectly safe electric current into the wall just above ground level, through a series of titanium anodes inserted into the masonry. Electro osmotic damp proofing is for those people looking for a more scientific based damp proof course and uses electricity to prevent damp rising up. This restricts the range of suitable conducting elements to a mixture of noble metals and suitable substrate materials. Wykamol group unit 3 boran court, network 65 business park. Electroosmotic flow or electroosmotic flow, often abbreviated eof. Damp proof membrane solutions including liquid applied membranes. They are generally considered to be easier to use than other types of rising damp treatment as the method of installation is simply to insert them into the correct sized holes drilled into a mortar bed. At the heart of the timberwise electro osmotic damp proofing system is a robust power unit. Electro osmosis damp proofing systems utter and complete fraud electro osmosis is scientific theory that is being pushed by various manufacturers as a cure for rising damp. When moisture in soil and masonry tries to achieve equilibrium it is known commonly as rising damp. A controversial use of electro osmotic systems is the control rising damp in the walls of buildings.
Electro osmosis has found increasing acceptance as an alternative to fluids and physical damp courses. Electro osmotic damp course and injection damp proofing dont. The electrical potential between a damp wall and the ground is the main force causing rising damp water molecules to move upwards. Schematic of an electro osmosis setup used on a masonry wall 16. Twistfix supplies dpc cream, damp proof paint, electro osmosis treatments and other damp proofing products to help treat damp walls at an. Because electroosmotic velocities are independent of conduit size, as long as the electrical double layer is much smaller. Generally, a damp proof course is installed by chemical injection or by means of electro osmosis.
We dry out damp masonry walls with minimal construction costs by applying the natural principle of water movement by means of electrical osmosis. Materials longevity is the main object when assessing the suitability of materials to be used in active electro osmotic damp proofing systems. Typically a damp proof membrane or dpm is laid beneath the structural slab and provides a permanent barrier between the damp substrate and the structural slab. Lectros electro osmosis damp proofing kit complete electro. As long as this tiny positive charge is maintained, the protected walls remain dry and totally free. Lectros damp proofing power unit power supply plug for. The mechanism of electro osmosis is well established, as is its practical application in soil and slurry dewatering. Its effect is to repel the rising moisture molecules down the walls and harmlessly back into the ground. Over approximately last century, the dampproofing of buildings has become. Such damp proofing course utilises a series of platinum coated anodes, commercially pure titanium connecting wire, a copper coated cathode and a regulated power supply to drive excess moisture down the wall and back. Electro osmotic damp proofing diy doctor uk diy forums. The lectros damp proofing power unit is the heart of the lectros dpc system.
Damp proof membranes are made from high density polyethylene hdpe which is impervious to moisture and salts. Salt attack and rising damp technical guide environment. Electro osmotic damp proof course kit for treating rising damp in walls. Lectros osmotic damp proofing system problem diynot forums. Using osmosis a small current positively charges free moisture molecules, which are repelled from the positive anode and attracted to a negative cathode that is buried in the ground, just as. The electrical voltage then remains at a constant and therefore guarantees an optimal drying process. In addition, systems based on electroosmosis are described. The electro osmosis device functions as an extremely effective horizontal and vertical damp proofing course. A small current is passed through the titanium anode and cable, this harmless and safe charge is enough to repel damp and keep your walls dry and damp free.
Occasionally, it may be preferable to use the newlath damp proof membrane system as a. Electro osmosis this method of damp proofing introduces a very tiny and low voltage electric charge in the wall just above ground level via a series of titanium anodes inserted into the masonry. The constant electrical voltage guarantees the optimal drying process. Electro osmosis dpc is usually used for stone buildings. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Electroosmosis damp proofing ireland from tirconaill damp.
Electro osmosis is expertly installed, the system works with virtually all known types of building structure whatever their age on the other hand slurry trench for control seepage in lakes, ponds. Where the problem has been identified as rising damp, and where a damp proof course is absent or inadequate, we offer different methods of retrofitting a dpc damp proof course. After taking advice from two people who install these all the time it seemed extremely easy for someone adept at diy. A small current is passed through the titanium anode and cable, this harmless and safe charge is enough to. We are a specialist damp control and timber treatment company with many years experience in the remedial industry. While there is little evidence to suggest that these systems can be useful in moving salts in walls, such systems are claimed to be especially effective in structures with very thick walls. Curedamp ltd is a leading company in damp proofing and specialise in rising damp, penetrating damp, condensation, damptimber surveys, timber treatments for woodworm. Mar 23, 20 however, other forms of damp may show themselves differently in buildings without damp proofing. Electro osmosis is effective for at least 19 inches below the level of installation, so that it can be used above floor level but still protect joistends below the floor. The lectros osmosis damp proofing is ideal for walls up to 600mm thick and for rubblefilled walls. We provide a detailed written report on the findings of the survey, along with a competitive quotation for any remedial work and treatments required.
The benefits of using electro osmosis damp proofing. May 04, 2011 the system introduces a very small and perfectly safe electric current into the wall just above ground level through a series of titanium anodes inserted into the brickwork. Its the clean and efficient way to keep moisture out of your basement. Electro osmosis damp proofing systems generate sufficient osmotic flow to overcome the capillary forces that cause rising damp. Who hasnt experienced it at some point the mustiness of damp walls in old. There are few restncnons on the type of property into which it can be installed. Electro osmotic damp proofing archives damp doctor. Damp proofing the lectros electro osmotic damp proofing system will stop rising ground dampness and dry out walls whether they are rubble fill stone, concrete or block. Generally, damp proofing keeps moisture out of a building where vapor barriers keep interior moisture from getting into walls. Electroosmosis damp course by ben77 fri nov 16, 2012 12. Damp proofing rods use similar active ingredients to those found in liquid or creambased rising damp treatments, but contained in a solid rod. Electro osmosis paul ogara of tirconaill damp proofing is featured on the great house revival series 1 episode 3 as shown on rte 1 on 20 may 2018. I read your account of electro osmotic damp proofing with much interest as i have a lectros dpc system in my house, and it has actually made things worse, not better. Problem is the power unit green led does not illuminate when the system is switched on indicating the system is operating properly.
Damp expert has recommended an electroosmotic damp proof course. At the heart of the timberwise electro osmotic damp proofing system is a robust power unit that automatically adapts to the degree of dampness in the wall. These methods may be effective but may suffer from access or odour problems. You would not put up with a damp home in the uk so why would you in spain.
Strange that a cure, for something that barely exists, if at all the technology has been investigated by various scientific organisations including one that i used to work for in australia. Electro osmoticdampproofing data sheet electro osmosis pdf file, 1. This is a major step forward for architects, specifiers, etc. Being liquid, a chemical dampproof course is a far more practical and less invasive solution than inserting a solid dpc.
The system introduces a very small and perfectly safe electric current into the wall just above ground level through a series of titanium anodes inserted into the brickwork. Its effect is to repel the rising damp water molecules back down the walls and harmlessly into the ground. The lectros osmotic dpc system carries a cisro approval australian bba equivalent when used with this unit. Attempts at camouflaging the visible signs of rising damp include coating the internal wall surface with a layer of metal foil. I recently received this email from a scientist who had one of these systems installed in his home. Osmosis damp proofing kit for monitored treatment of rising damp.
Examples of names schrijver, hydrotec wallguard, lectros all of them were in sopping wet. Electroosmosis the only current installers of electroosmotic damp proof courses are wykamollectros and triton chemicals trimotic dampproofing system and they state that an active electroosmosis dampproofing system introduces a very small and perfectly safe electric current into the wall just above ground level through a series of. Strange that a cure, for something that barely exists, if at all. Electro osmotic damp proof course kit for rising damp treatment. Electro osmosis damp proof course stronghold preservation. This involves injecting a siliconebased liquid into the wall at the suitable height to create a waterrepelling layer however, the effectiveness of a liquid dampproof course can vary since it does not pass through the wall evenly, and can. I read your account of electroosmotic dampproofing with much interest as i have a lectros dpc system in my house, and it has actually made things worse, not better. Electro osmosis is used in various dehydration processes, such as sludge dehydration by a japanese company kurita, proving its efficiency. Curedamp ltddamp proofing services in barnsley authorstream. Lectros electro osmosis damp proofing kit complete. Dampproofing rods use similar active ingredients to those found in liquid or creambased rising damp treatments, but contained in a solid rod. House is quite old in parts circa 1750, walls are rubble filled stone, quite thick, over 12 inches in places. Though less an issue in some parts, the problem of high salt concentrations affects buildings across much of australia, and so the term salt damp has begun to be used in other states. Colne valley preservations ltd electro osmosis damp proofing.
We have teamed up with the industries best to help you find a trustworthy tradesman local to you. Of the complaints about electroosmotic dampproofing that bre has investigated, some have involved condensation problems that the installation could not be expected to cure. Electroosmosis paul ogara of tirconaill damp proofing is featured on the great house revival series 1 episode 3 as shown on rte 1 on 20 may 2018. Aug 01, 2014 heres a good example of how the homeowner was conned into having both electro osmotic damp proofing, and injection damp proofing neither of which work, and for which there is a simple solution.
Summary report on existing methods against rising damp emerisda. Electro osmotic damp course and injection damp proofing. Electroosmosis the only current installers of electroosmotic damp proof courses are wykamollectros and triton chemicals trimotic dampproofing system and they state that an active electroosmosis dampproofing system introduces a very small and perfectly safe electric current into the wall just above ground level through a series of titanium anodes inserted into the brickwork. Occasionally, it may be preferable to use a plaster cavity membrane system as a re plastering specification after the installation of a damp proof course. The power unit is robust and automatically adapts to the degree of dampness in the wall. We use cookies to let us know when you visit our websites, how you interact with us, to enrich your user experience, and. Electroosmosis is used in various dehydration processes, such as sludge dehydration by a japanese company kurita, proving its efficiency. Of the complaints about electro osmotic damp proofing that bre has investigated, some have involved condensation problems that the installation could not be expected to cure. Typically a dampproof membrane or dpm is laid beneath the structural slab and provides a permanent barrier between the damp substrate and the structural slab. There are many benefits associated with using electro osmosis damp proofing system in your home. When fitted correctly active electro osmotic systems give observably the fastest results. Successfully damp proofing your home simplifydiy diy. The electro osmotic system introduces a very small and perfectly safe electric current into the wall just above ground level through a series of titanium anodes inserted into the brickwork. However, other forms of damp may show themselves differently in buildings without damp proofing.
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