The lectros osmosis damp proofing is ideal for walls up to 600mm thick and for rubblefilled walls. Electro osmosis damp proof course stronghold preservation. 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. Electroosmosis damp proofing ireland from tirconaill damp.
Damp proof membrane solutions including liquid applied membranes. Electro osmotic damp proofing archives damp doctor. Electroosmotic flow or electroosmotic flow, often abbreviated eof. Its the clean and efficient way to keep moisture out of your basement. The electrical voltage then remains at a constant and therefore guarantees an optimal drying process. Curedamp ltd is a leading company in damp proofing and specialise in rising damp, penetrating damp, condensation, damptimber surveys, timber treatments for woodworm. Summary report on existing methods against rising damp emerisda. 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. 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. 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.
Electroosmosis damp course by ben77 fri nov 16, 2012 12. A small current is passed through the titanium anode and cable, this harmless and safe charge is enough to. The mechanism of electro osmosis is well established, as is its practical application in soil and slurry dewatering. Lectros osmotic damp proofing system problem diynot forums. Because electroosmotic velocities are independent of conduit size, as long as the electrical double layer is much smaller. The power unit is robust and automatically adapts to the degree of dampness in the wall. Its effect is to repel the rising damp water molecules back down the walls and harmlessly into the ground. At the heart of the timberwise electro osmotic damp proofing system is a robust power unit. Prosystem is a method of dealing with rising damp by which electromagnetic waves are transmitted through the walls, creating an artificial electromagnetic field. 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. There are few restncnons on the type of property into which it can be installed.
Electro osmosis dpc is usually used for stone buildings. 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. In addition, systems based on electroosmosis are described. Lectros electro osmosis damp proofing kit complete electro.
Lectros electro osmosis damp proofing kit complete. 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. The benefits of using electro osmosis damp proofing. 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 is a major step forward for architects, specifiers, etc. Electro osmosis damp proofing systems generate sufficient osmotic flow to overcome the capillary forces that cause rising damp. Of the complaints about electroosmotic dampproofing that bre has investigated, some have involved condensation problems that the installation could not be expected to cure. We use cookies to let us know when you visit our websites, how you interact with us, to enrich your user experience, and. Electro osmotic damp proof course kit for treating rising damp in walls. The lectros damp proofing power unit is the heart of the lectros dpc system. Get wise to the driest solution for rising damp is a revolutionary new treatment of rising damp for the 21st century. Examples of names schrijver, hydrotec wallguard, lectros all of them were in sopping wet. Electro osmosis damp proofing course dublin and whole ireland. Dampproofing rods use similar active ingredients to those found in liquid or creambased rising damp treatments, but contained in a solid rod.
You would not put up with a damp home in the uk so why would you in spain. Being liquid, a chemical dampproof course is a far more practical and less invasive solution than inserting a solid dpc. Generally, a damp proof course is installed by chemical injection or by means of electro osmosis. These methods may be effective but may suffer from access or odour problems. 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. Problem is the power unit green led does not illuminate when the system is switched on indicating the system is operating properly.
Over approximately last century, the dampproofing of buildings has become. 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. Occasionally, it may be preferable to use the newlath damp proof membrane system as a. We have been treating properties for damp and timber decay for nearly 30yrs in the uk and started treating property in spain in 2001. Generally, damp proofing keeps moisture out of a building where vapor barriers keep interior moisture from getting into walls. 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. 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. We dry out damp masonry walls with minimal construction costs by applying the natural principle of water movement by means of electrical osmosis. 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. 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.
The constant electrical voltage guarantees the optimal drying process. A small, but sophisticated, damp detector electroosmosis power control unit that manages, monitors and displays the electrical charge carried through the wall by moisture. 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. Wykamol group unit 3 boran court, network 65 business park. House is quite old in parts circa 1750, walls are rubble filled stone, quite thick, over 12 inches in places. Salt attack and rising damp technical guide environment. We are a specialist damp control and timber treatment company with many years experience in the remedial industry. Electro osmosis is used in various dehydration processes, such as sludge dehydration by a japanese company kurita, proving its efficiency. 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. Electro osmoticdampproofing data sheet electro osmosis pdf file, 1. Damp proofing rods use similar active ingredients to those found in liquid or creambased rising damp treatments, but contained in a solid rod. 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. 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. Description of the electro osmosis damp proof system.
Attempts at camouflaging the visible signs of rising damp include coating the internal wall surface with a layer of metal foil. Electro osmotic damp course and injection damp proofing dont. 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. Damp proofing cork lectros electro ireland lectros damp. Osmosis damp proofing kit for monitored treatment of rising damp. After taking advice from two people who install these all the time it seemed extremely easy for someone adept at diy. I recently received this email from a scientist who had one of these systems installed in his home. 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. The electrical potential between a damp wall and the ground is the main force causing rising damp water molecules to move upwards. Damp proofing cork lectros electro ireland lectros. Strange that a cure, for something that barely exists, if at all. When moisture in soil and masonry tries to achieve equilibrium it is known commonly as rising damp. This restricts the range of suitable conducting elements to a mixture of noble metals and suitable substrate materials. Pdf stateoftheart on methods for reducing rising damp in masonry.
Im in the process of installing a lectros osmotic damp proofing system in my victorian property. 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 expert has recommended an electroosmotic damp proof course. Colne valley preservations ltd electro osmosis damp proofing.
There are many benefits associated with using electro osmosis damp proofing system in your home. Electro osmotic damp proof course kit for rising damp treatment. 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. The lectros osmotic dpc system carries a cisro approval australian bba equivalent when used with this unit. 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. 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. A controversial use of electro osmotic systems is the control rising damp in the walls of buildings. The electro osmotic system works by introducing a small electric charge in to the wall just above ground level. As long as this tiny positive charge is maintained, the protected walls remain dry and totally free.
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. Schematic of an electro osmosis setup used on a masonry wall 16. 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. 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. Curedamp ltddamp proofing services in barnsley authorstream. 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.
Materials longevity is the main object when assessing the suitability of materials to be used in active electro osmotic damp proofing systems. Lectros damp proofing power unit power supply plug for. We have teamed up with the industries best to help you find a trustworthy tradesman local to you. Mar 23, 20 however, other forms of damp may show themselves differently in buildings without 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. Electro osmosis is scientific theory that is being pushed by various manufacturers as a cure for rising damp. The electro osmosis device functions as an extremely effective horizontal and vertical damp proofing course. 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. 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. However, other forms of damp may show themselves differently in buildings without damp proofing.
Electro osmotic damp proofing diy doctor uk diy forums. We provide a detailed written report on the findings of the survey, along with a competitive quotation for any remedial work and treatments required. Who hasnt experienced it at some point the mustiness of damp walls in old. Damp proof membranes are made from high density polyethylene hdpe which is impervious to moisture and salts.
Electroosmosis is used in various dehydration processes, such as sludge dehydration by a japanese company kurita, proving its efficiency. 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. Electro osmotic damp course and injection damp proofing. None of the electro osmotic systems seen in the surveys worked. 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. 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. Salt damp is used throughout this guide to mean the combination of salt attack and rising damp.
Successfully damp proofing your home simplifydiy diy. Electro osmosis has found increasing acceptance as an alternative to fluids and physical damp courses. Its effect is to repel the rising moisture molecules down the walls and harmlessly back into the ground. 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. Twistfix supplies dpc cream, damp proof paint, electro osmosis treatments and other damp proofing products to help treat damp walls at an.
When fitted correctly active electro osmotic systems give observably the fastest results. 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. 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. 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.