Tel: 0808 123 1214 Mob: 07780808282 Mob:07761167885
Cotec Protective Coatings Ltd
COMMERCIAL - DOMESTIC
EXTERIOR CLEANING CONTRACTOR
Cotec Protective Coatings Ltd Specialise in Pebledash Cleaning K-Rend Cleaning
Roughcast and Harling Cleaning
PEBLE DASH CLEANING
Does not bio-accumulate
Ph neutral, so safe for materials and gentle on people
Controls algae, lichen, fungi, moss and mould
Safe for children and pets once treated surface is completely
Non-bleaching (contain no bleach or acids)
Harmless to all known building materials
Can be used as a pre-painting primer to kill algae and mould
Soaks deep into porous surfaces – killing the micro-
organisms responsible for unsightly discolouring, and
potential structural damage
The application of a Softwash Solution via
a very low pressure nozzle and pump. The
Softwash solution is sprayed onto the wall
or in some instances it is brushed on.
System 1: The hypochlorite solution is
sprayed onto the wall and then left for 30-
60 minutes before being rinsed of. It may
require more than 1 treatment to bring the
walls up to an acceptable standard. The
final step of the process is to treat the wall
with the inhibitor solution. Results are
normally seen within 72 hours of
System 2: The application of a (DDAC)
solution. The wall is saturated with the
solution which is not rinsed off but just left
to dry. This system can take up to 1 year
to fully clean but some noticeable
difference should be seen within a few
Pressure Washing at a high pressure is not recommended to clean Pebbledash walls as the force of the jet will dislodge the dash.
Softwashing is the preferred method for the cleaning of Pebble Dash and Roughcast this non-invasive system uses chemicals to remove the staining rather than force.
Cleaning & Treating the biofilm with a Softwash System
System Application How to clean Render Walls
2) A Biocidal Wash (DDAC) fully biodegradable does not bio-accumulate Ph neutral, so safe for children and pets once treated surface is completely dry.
The Softwash Solution:
Cleans – Sanitises – Disinfects
The products active ingredient is recommended for the
cleaning of – render and cladding – of industry-leading
companies such as K Rend, Weber and Kingspan Cladding.
Effective and safe to use on:
Coloured and plain wall render
Concrete patios & paths
Natural stone, including sandstone and granite
The Softwash Solution:
1) A hypochlorite based softwash biocide which at 5:1-10:1 dilution is classed by the EU, PCD and HSE as non corrosive or hazardous to people or the environment. This solution contains
no acids or solvents does not bio-accumulate and the surfactant is fully biodegradable and after use it quickly breaks down into tiny amounts of ordinary salt and water
Pebbledash is common decorative finish on many exterior house walls. The dash over time captures small dirt particles this allows bacterial growth to establish which appears as red,
green or black staining. This staining is more obvious on the walls that take the brunt of the weather but can be on all walls. The biofilm staining can be removed from the wall using our
Results can take up to 1 year to cleanse the wall
The render can be treated using our professional softwash products which are fully approved by both the Irish Pesticides Registration & Control Service (PCS) and UK Health & Safety
Executive (HSE) for use as a softwashing biocide in Ireland and the UK also it's fully compliant with the EU "REACH" (Registration, Evaluation, Authorisation & restriction of Chemicals)
regulations for cleaning exterior hard surfaces.
This professional grade product can give outstanding results as can be seen in the photos. A safe and effect method to return your property to that new look again. We are an
experienced Softwash applicator with all the professional up to date equipment to give a quality finish every time.
Pebble Dash Cleaning (results can be achieved the same day for some works)
Remaining staining will disappear within 72hours
In the pictures below are various biofilms if your property walls has any of these growths establish it requires to be treated. A Biofilm forms when certain microorganisms adhere to a surface
in a moist environment. These biofilms are unsightly but can damage the exterior surface over time but the application of the Softwash product can eradicate almost all of the staining.
Green - Red Algae dies within minutes by cell wall puncture Black Fungi dies within a short period of application. It can take anything from 72 hours to 1 year to properly clean the wall but a
difference should be seen with 6 weeks