Hi-Tech Green Energy Sdn Bhd
Unit 88, Menara Shell,
Level 19, Jalan Tun
50470 Kuala Lumpur,
+603-2718 5659
+603-9226 2276


Maintenance Conditions

  1. All powder coated surfaces should be cleaned using a soft cloth or sponge with a solution of warm water. Where the atmosphere is deemed to be non-hazardous eg. rural, the period between cleaning frequency can be extended up to twelve months.In industrial environments or environments with atmospheric pollution the normal frequency of cleaning should be at not more than three monthly intervals. However where there is high atmospheric pollution, such as a marine/coastal environment, cleaning should be conducted at monthly intervals.
  2. Remove cement mortar dropping from windows immediately, taking care to avoid scratching glass and frames, as permanent damage can result. Trend Windows & Doors will not be liable for any damage that may occur if the timber or aluminium painted surfaces comes into contact with acid when cleaning brickwork.
  3. Timber products MUST BE sealed (within one (1) month of delivery) with two coats of paint, varnish or sealer to both faces and edges including top and bottom. Exterior quality finishes in light reflective colours (not DARK colours) must be applied to all products exposed to direct sunlight or the elements.

Cleaning Aluminium sliding windows & doors tracks

To ensure better performance for your windows and doors tracks, it is recommended that you vacuum these tracks on a regular basis

For better efficient sliding windows and doors’ rollers to operate efficiently is suggested that on a yearly basis that you clean the tracks with light machine oil (eg sewing machine oil) by wiping this over the track. The machine oil will collect excess dirt and dust and make the sliding action much smoother.

Maintenance of Anodised Aluminium

To preserve the anodised aluminium finish over the years it is recommended regular cleaning.

Deterioration of the anodic oxidation coating can occur mainly as a result of dirt deposits and subsequent moisture, particularly when it is contaminated with sulphur compounds. Deposited dirt can hold contaminated moisture on the anodised surface, permitting corrosion to proceed and thereby damaging the anodic oxide coating.

Cleaning should be carried out from monthly to six monthly intervals according to the degree of contamination from your local environment, whether it is atmospheric pollution or industrial pollution.  You should aim to clean the anodised aluminium surface by removing grime deposits without causing any damage to the anodic oxidation coating

Examples are recommendations only as pollution levels vary in areas:

  • Rural & Tropical areas – mild – at least every 9 months
  • Metropolitan areas – moderate – at least every 6 months
  • Coastal areas – severe – at least every 3 months
  • Areas within 5km of the marine coastal area or highly polluted industrial area – very severe – at least every month

The cleaning method to be adopted depends on the degree of deterioration that may have already occurred. Hand rubbing is often used for small areas of work, but large areas of the anodised surfaces, for example multi storey buildings, call for carefully controlled methods to loosen adherent deposits (In this case professional cleaning is recommended).

The anodised aluminium should be washed with warm water containing a suitable wetting agent or with a mild soap solution. Fibre brushes may be used to loosen dirt. Do not use emery paper, sand paper, steel wool or other highly abrasive materials, acid or alkaline cleaners as they can damage the anodic oxidation coating. The use of a mild abrasive such as pumice powder and water may sometimes be necessary. It is important that you rinse thoroughly after coating using abundant application of clean water, particularly where crevices are present. Where greasy deposits are present, cleaning may be carried out using a soft cloth dipped in white spirit.

Since emulsion cleaners or proprietary chemical agents may damage the coating, they should never be used except in consultation with companies who specialise in the cleaning of anodised aluminium
After cleaning anodised aluminium, it may be treated with good quality wax polish.

Cleaning of Glass

We advise you visit Viridian website link below who list all their glass types and how to clean the different types of glass available.

Maintenance of Double Hung windows

A tip to help keep double hung windows spirals/balances to work properly is that you open the window/s (top and bottom sashes) on a regular basis (eg fortnightly). The reason is that this helps the spiral balances to last longer and stops the oil lubricant inside the tube drying up.

Maintenance of Powdercoat

Regular cleaning will help minimise the effects of weathering on your aluminium powdercoated windows and doors.

Window Ratings

These standards relate to the glass type, wind pressure and water penetration ratings of the window. However, as weather conditions vary it is essential that the correct window rating or design wind speed for the specific location be supplied to Trend Windows prior to quoting and manufacture. This is further explained in AS2047.

The applicant for building approval or the approving authority shall nominate the window rating appropriate to the location of the building.

The minimum rating for each wind classification and a guide to the design wind pressure are set out in AS2047.

“The minimum rating for housing is set out in AS2047, and the design window pressure for buildings other than housing shall be established appropriate to the location of the building.”

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