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Aluminium Doors

Aluminium Doors
July 19
02:08 2014

The door is an important feature in your home it serves the basic purpose of closing and opening up an entrance. It is also the first feature that your visitors get a glimpse of before getting into your house thus creating the first impression of your home. It is important therefore that you give it the seriousness it deserves by investing on its functionality as well as its general appearance. Aluminium doors offer you the security you require whilst at the same time giving you the regal appearance that you would like your visitors to see.

Aluminium is a bright and attractive material that can easily complement any home. There are many benefits to choosing aluminium, from being ultra-weather resistant to very lightweight. This ensures that the door is resistant to rotting, fungus and moisture penetration and is also extremely heat-preserving and noise-resistant. By nature aluminium is strong, hard wearing and corrosion resistant; these properties mean absolute minimal maintenance is required for its entire life.

Aluminium door is a solid barrier fixed in door way or opening in a wall. It consists of two parts i.e. frame and shutter and can be opened for access to and from buildings, between rooms or be closed for privacy. A variety of doors such as wooden doors, iron doors, PVC or plastic doors and aluminium doors are available in the market. Now a days aluminium doors, Windows and glazing are widely used.

Materials of aluminium doors

Aluminium alloy standard extruded sections are used for fabrication of aluminium doors. Chemical composition and mechanical properties of these extruded sections should comply with requirements of IS: 733, IS: 1285, IS: 737.

Anodizing aluminium doors

Aluminium is anodized by manufacturing units with the help of anodizing/electro coating plants. It should be uniform without colour variation. The outer surface of aluminium members is anodized up to 30 microns in different colours like silver, champagne, bronze and black. A fool proof scaling system ensures durable finish for long lasting applications. The anodizing should be as per ISO 9002.

How to fabricate aluminium doors?

Aluminium door frames should be fabricated after measuring actual size of opening. The side legs of frame should be 50 mm more in length so that they can be embedded into floor. The frame of door should be manufactured by reducing 25 mm width and by keeping the height 37.5 mm, more than opening i.e. (50 -12.5 = 37.5) because 50 mm length is required for embedding in floor.

Sizes of aluminium members used in door frame

  • 50.8 mm
  • 88.9 mm
  • 127 mm

Sizes of aluminium members used in door shutter

  • Side rail and top rail = 57.2 mm, 98.4 mm, 104.8 mm or127 mm.
  • Lock rail/middle rail = 152.4 mm.
  • Bottom rail = 203.2mm, 254 mm, 304.8 mm.

Precautions for fabrication of aluminium door frames

  • Aluminium door frames should be fabricated by reputed local workshop using standard sections manufactured by renowned manufacturers.
  • While doing fabrication, the fasteners should be zinc plated and actual required length of each member should be cut by cutter, not by chisel. The holes should be drilled instead of punching them.
  • In aluminium frames, the fixing should be done with the help of steel screws.
  • Make sure the corners of frame are at right angle. All members of door frame should be in straight line horizontally and vertically.
  • The material used in aluminum doors should be free from cracks, surface flaws, rough and imperfect edges.
  • The screws should be driven with the help of screw driver, not be hammered.

Aluminium doors Aluminium doors Aluminium Doors Aluminium door frames

Aluminium doors

Fixing aluminium doors in various openings

Fixing door frame in opening of brick masonry

  • Stack aluminium door frames at site on level platform to keep them in true shape without any damage.
  • Keep the size of aluminium doorframe less than the size of opening according to the thickness of Cement plaster on sides of door opening.
  • Fix doorframe either by cutting bricks or by removing bricks near lugs and avoid plastering on jambs that look ugly since usually aluminium doorframe are manufactured either equal to or with little margin to the size of opening.
  • Use slotted, adjustable, galvanized and steel lugs of size 100x16x3 mm for fixing aluminium doors.
  • Make use of 8 No lugs, 4 No. on each side of doorframe and keep height of lugs 45cm, 109 cm, 139 cm and 188.5 cm from floor level.
  • Apply a thick shop coat of clear transparent lacquer on aluminium door frame to protect surface from wet cement during installation before aluminium doors are fixed in position.
  • Check the size of opening for obstruction if any. After marking position of lugs, the holes should be made in masonry and lugs are fixed with cement concrete mix in the ratio of 1: 3: 6.
  • Set the filling finally after the gap is filled with mastic cement and plaster.

Fixing door frame in opening of concrete surface

  • Stack aluminium door frames at site on level platform to keep them in true shape without any damage.
  • Keep the size of aluminium doorframe less than the size of opening according to the thickness of cement plaster on sides of door opening.
  • Make use of 8 No lugs, 4 No. on each side of doorframe and keep height of lugs 45cm, 109 cm, 139 cm and 188.5 cm from floor level.
  • Apply a thick shop coat/temporary cover of clear transparent lacquer on aluminium door frame to protect surface from wet cement during installation before aluminium doors are fixed in position.
  • Check the size of opening for obstruction if any. After marking position of lugs, the holes are made in cement concrete and teak wooden plugs are fixed with cement concrete mortar mix in the ratio of 1: 3:
  • Fix door frame after the plugs are duly set.
  • Set the filling finally after the gap is filled with mastic cement and plaster.

Fixing door frame in opening of woodwork

  • Make an opening in wood work which are normally rebated and be fixed with approved mastic or rubber lining to jambs.
  • Fix doorframe with screws in woodwork already fixed.

Benefits of reduced size aluminium doors

As per IS 1948, the sizes of aluminium doors prescribed in drawings issued for are the sizes of modular openings i.e. the sizes of opening to be provided in masonry. The size of aluminium doorframe should not be equal to the size of opening provided in the masonry.

The following are some benefits of reduced size aluminium doors.

  • Easily and properly fixed in openings without disturbing jambs since the width of aluminium door frames is reduced by 12.5 mm on each side and height by 12.5 mm on top face during manufacturing.
  • Offers good looks. If overall size of aluminium doors frame is not reduced, 12 mm plaster on jamb would abut the face of aluminium door frame and gives bad look.
  • Keeps elevation intact. The 12 mm thick cement plaster on jambs sets in the gap left at rear face of the frame and keeps original elevation intact.
  • No problem of cracks in jambs plaster if the size of aluminium doorframe is reduced than the opening.

Note: Hence reduction in sizes of aluminium door frames is necessary.

Advantages of Aluminium Doors

  • They offer strength maximizing on your safety and security
  • They are highly durable and last for many decades
  • Aluminium is highly resistant to corrosion and other weather induced effects such as excessive wind, water and air infiltration
  • They are environmentally friendly due to their recyclable nature
  • They use less frame and slim lines leaving out more glass space for increased visibility and lighting.
  • They are easily available

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