Sliding bi folding doors are becoming a very popular improvement to the home, especially as we seem to be staying put in our properties with current market conditions. Allowing unrestricted access to the garden form the house with the effect of maximum light entering into the room the bi fold doors are coming off. Many houses have openings that allow plenty of light and air to enter; creating the open space feeling. For these large open spaces bi folding sliding doors are the perfect solution to maximise light and open plan living space. These spaces that give an access to a conservatory or patio area that creates a total open plan area when ever desired, and late in the evening when you want to shut the world of they just glide back into the resting position turn the handle and lock for night security. Also they have the option of having 4000mm trickle vents at the top so even in winter months when you do not want to open the doors you can still get plenty of ventilation into a room. mind.
These bi-fold doors are manufactured in a variety of materials depending on what sizes opening you have to fill. UPVC bi folds would be the entry level into the market as being the lowest cost material to manufacture from. However aluminium sliding folding doors are the most popular in Georgian type houses. This is because they come in any RAL colour you want the finish into. Smart Aluminium BiFold Doors come with a 25 year paint finish guarantee. Most Bi fold doors are 3 sections and go all the way up to 8 panels. Aluminium Bi-fold has a restriction on height of about 2400mm with maximum widths of about 7 metres. Where as a upvc bifold would have a maximum width of 4000mm an height of 2300mm. Bi fold doors are constructed onto a track on which slide across and fold inwards or out as they slide along, allowing them to tuck neatly behind a reveal or wall. Most of the rollers tend to be on the bottom of the track as this keeps the strength in the doors. On this type of setup on the upper track wood be a guiding pin which keeps the door inline as it slide across for opening or shutting
Bi Fold Doors come in variety of options for energy double glazed units. Most often people would have 24,mm double glazing, with the panes in toughened Pilkington k glass, you can upgrade to argon filled units and also have self cleaning glass which seems sensible if you have a large are that needs cleaning regularly.