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Maintenance Guidelines for AlphaPlus Products

Glazing care

Float glass, used in most double glazed units, is easily scratched and therefore it is recommended that hand jewellery is removed prior to cleaning. Any proprietary household glass cleaner may be used with a soft cloth and is recommended that heavy external grime be initially removed with a solution of soap and water. Laminated glass, or glass containing Georgian bars, is cleaned in exactly the same way.


Leaded glass cleaning

In this type of double glazing, lead strips are bonded to the face(s) of the unit in diamond, square, or rectangular patterns. Take care when cleaning leaded lights as excessive pressure might dislodge the lead from the glass surface. The use of warm soapy water and a soft cloth, moderately applied, will prove an adequate cleaning method.

Please note – external lead will oxidise. This is a natural phenomena and cannot be avoided.


PVCu frame cleaning

Wash frames with soap and water solution, every four months, to remove any grime and atmospheric deposits. If required clean with a non-abrasive proprietary cleaner, suitable for plastics, using a soft cloth. If necessary, use a strong, non-abrasive, proprietary cleaner, such as cream, to remove any stubborn blemishes.


Scratched glass

Light scratches can be removed using jewellers rouge, or equivalent rubbing compound.



For lubrication of handles, locks and hinges, etc, use light machine oil (eg, WD40) lubricant for moving parts.


Brass work

When installed, brass-work is fully protected with laquer. In time and through normal wear and tear, this laquer may peel, or become tarnished. To refurbish your brass-work, carry out the following procedures:-

You are advised to protect the PVCu surfaces from chemicals etc, by masking off an area around each piece of brass-work.

Remove old laquer using nail polish remover, or paint stripper

Clean and polish with a suitable proprietary brass polish

Carefully relaquer with a good quality product.


Roofline products

Although the toughcore range is maintenance free, basic levels of normal cleaning are required to keep it looking its very best and maintain the longevity and warranty of the product. Surfaces should be cleaned regularly with a damp, soft cloth. If necessary a mild soap or detergent in lukewarm water can be used. Polishes should be avoided, as should any abrasive or organic solvent cleaners. Once installed there’s very little you need to do to your toughcore product, it will stay looking great for many years to come and keep your property protected.



In general climatic conditions, water vapour is continually present in the atmosphere. In the home, this natural water content is increased by normal living activities that create steam, such as cooking, bathing, washing, boiling a kettle etc, plus the basic activity of breathing. The water vapour remains undetectable while floating in warm air, but upon contact with cold surfaces, windows, mirrors, tiles, etc, condensation occurs and the vapour turns to water droplets.

Traditional house construction allowed the escape of this water through natural ventilation – open flues of coal fires, air bricks, and ill-fitting windows and doors. The drive to conserve energy and reduce heating costs has led to the sealing of homes, resulting in trapped water vapour and potential condensation problems. Condensation can only ever be minimised and never eradicated.

Important note – newly constructed conservatories need an initial “drying out” period. Many hundreds of litres of water are used during construction, ie, dwarf walls, concrete bases and plaster-work. In winter it will take longer to dry out.


Condensation in multiwall polycarbonate sheets

Condensation is a natural phenomenon, sometimes occurring in the chambers of multiwall polycarbonate roof sheets. Although polycarbonate sheets are slightly permeable to gas and vapour, certain factors taken into consideration at the design and installation stage can ensure that any condensation is kept to a minimum. As it is practically impossible to hermetically seal the chambers on a multiwall polycarbonate sheet, condensation can be experienced in certain applications and areas of installation. Although moist air may enter the chambers to cause fogging, condensation has no influence on the materials, properties or function of the sheet.



Provide natural ventilation whenever possible by:-

– Opening a window or door

– Ensuring that all trickle vents in windows, ridge, and eaves are open at all times

– Opening the roof vent (conservatories only)

Please note – security should be considered when leaving easily accessible windows/vents/doors open.



Where your conservatory is heated you should maintain some permanent heat in the conservatory during cold weather. Marginally increase the temperature in areas where condensation is a particular problem. If possible, situate heating appliances under windows to maintain the temperature of the inside pane of your double glazing.