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We can organise a design service, or technical, architectural and planning advice.

Not only can we supply and install all types of structures, irrigation and benching, we regularly refurbish existing structures. From replacing polytunnel roof covers, to complete refurbishment - replacing end timber frames, side ventilation systems, doors and guttering.

More frequently, garden centres and nurseries are looking to harvest rainwater which is also something we can help with, offering design, supply and Installation.

We are approved Installers for Clovis Lande, Clovis Canopies, NP Structures, Polybuild and Fordingbridge.


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Is your polytunnel looking tired?
Is your canopy showing its age?
Is it in need of a thorough clean?

Algae, dirt, soot and traffic film can not only look unsightly, it reduces light transmission, therefore affecting plant growth. We have experience in safely and effectively removing all of these, whether the roof is Glass, Polythene, UPVC or polycarbonate.

Chemicals we use are not acid based, and therefore safe to use around plants and in public areas. They are also kind to the environment. After cleaning, all surfaces are given a preventative treatment against algae, which can last for up to six months. We are also trained in the safe and effective removal of graffiti.

Herne Bay Infant & Nursery School

This is a Nicotarp covered canopy at a school in Herne Bay, Kent. As you can see, the roof material was looking dirty and unsightly. In a morning, we cleaned the inside and outside of the cover, finishing off with a complete covering of an algae preventative. Remarkably the cover was transformed almost back to 'as new' condition.

Another similar project we completed was to clean a 120m sq polycarbonate roof on a school canopy. Not only that but also to remove engrained rust from the frame and have it professionally resprayed - and all done in 3 days!


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Canopy cleaning, for schools and colleges

  • Initially use an acid and biflouride free solution to clean, then apply a preventative treatment against algae, moss and liverwort
  • Use powered access equipment where necessary
  • Work can be performed at weekends and school holidays, to minimise disruption
  • All staff are fully trained, have necessary qualifications to operate powered access machinery and are CRB checked
  • Correct maintenance will have a major impact in maintaining the decorative appearance, thus enhancing the lifetime of the coating
  • Each location should be handled separately, since the coating will be exposed to a variety of atmospheric conditions

Periodical cleaning and routine maintenance (cleaning frequency)

Powder coatings used on the exterior:
Cleaning is used to remove dirt and/or stains in order to maintain the decorative impression of the coating. Should the coating be placed in close proximity to the sea, or highly polluted areas (man made or natural) aggressive stains may result on the coating surface and cause the gloss to fade. This may accelerate degradation through corrosion, resulting in reduced lifetime of the coating. Cleaning is generally recommended at 6 monthly intervals, but in highly exposed areas the frequency should increase; dependent on the severity of end-use conditions. Ordinary dirt and stains can be removed using a household detergent, diluted with water. Cleaners should not contain abrasive materials or solvents in order to avoid adverse effects to the coating. Cleaning material should be a neutral detergent with a pH from 5 to 8.

Polytek Services only use recommended, biodegradable cleaning solutions

We use a non-aggressive cleaning technique to remove the build up of airborne pollutants and grime, whilst not damaging the protective surface coatings of the fabric membrane. This can greatly enhance the aesthetics of the structure, especially if carried out on a regular basis.

Tensile fabric structures require regular safety inspections by experienced personnel which will include a full inspection of the canopy membrane, associated steelwork and rigging. Following this inspection Polytek Services Ltd will provide an Inspection Report detailing the condition of the structure. Any remedial works, which we believe require attention, will be highlighted in our recommendations.

For exterior canopies, the general build up of dirt is from dust and airborne pollutants from traffic and building works, as well as falling leaves from trees and shrubs. Dirt on horizontal or flat canopies can be particularly bad where slow water drainage only moves dirt very slowly. On more extreme forms you may find that dirt build up is minimal.

Many thanks for the installation of our new canopy; the School are extremely pleased with it. I would like to congratulate you and your Company on the professionalism of the project and also the installation team who worked extremely well and organised themselves and their deliveries in a very organised and timely manner. Please feel free to offer our School as a reference to any potential future customers you may have.
John Crittenden: Snodland CEP School

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