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SLIDING DOORS

                 
                       FERWALL®


                        Retractable
• Non-binding opening to the right or left accompanied by a surrounding encumbrance of the moving door that in fact flows inside the counterframe. 
• The reduction of the area involved in the movement of the door allows the recovery of usable spaces, compared to the size of the moving door. 
• Individuals with disabilities can easily push the door both to enter and to leave the room. Thanks to the reduced radius, they can pull the door towards themselves while remaining in the front position.

Technical Features
The Ferwall FOG counterframes can be mounted in all apartments as they do not need much lateral space on the walls or quite thick walls. In order to best locate a sliding door it is obviously very important to take into account the characteristics of your home. Today there are many materials in which many models are produced and on the market, so you must obviously choose based on the function and style of your home. 
They can be divided into two main categories:

Frame for plasterPlasterboard frame
Counterframe for plaster
model: London 
version: plaster 
passage light: 
L from 600 to 1200 mm 
H from 2000 to 2100 mm
Counterframe for plasterboard
model: London 
version: plasterboard 
passage light: 
L from 600 to 1200 mm 
H from 2000 to 2100 mm


Technical

quality The technical qualities of the Ferwall FOG Counterframe facilitate the work of designers, builders and interior designers. 

RAW MATERIAL
The Ferwall FOG Counterframes are made of galvanized steel with a thickness of 7/10 (uprights). The type and quantity of sheet used make the frames particularly robust. 

FOR ALL TYPES OF WINDOWS
The Ferwall FOG Counterframes can house modern and stylish doors, without particular preclusions as regards models and materials. 

ASSEMBLY AND INSTALLATION
The Ferwall FOG Counterframes are delivered ready for installation. In fact, they need only the quick assembly or the coupling of some elements or parts of them. (For more information, see the section of the catalog dedicated to the "Assembly sheets"). 

DIMENSIONS 
The Ferwall FOG Counterframes are made in standard and special sizes. (To check the production dimensions, please refer to the relevant tables in the "Model Range" section of this catalog). 

CARE OF DETAILS
The Ferwall FOG Counterframes are all equipped with fixing systems without welding points (clinching) to avoid the formation of rust on the mantle and of the lower alignment bar to allow the upright to always be kept in line with the box. Furthermore, on the models provided (LIGHT and LIGHT DUO), both the electrical wiring and the electrical boxes are housed to allow different light points to be applied directly to the cover of the box.

Strengths 

1
 - The aluminum sliding guide with a thickness of 2 mm guarantees the non-deformability and does not require any kind of maintenance over time 

2 - The galvanized sheet has a thickness of 7/10 and gives the frame an undeniable strength. 

3 - The passage light shown in our technical data sheets allows the sliding door to be opened once it is open so as not to protrude out of the seat in which it is retracted 

4 - The process of clinching the reinforcements guarantees that, over time, no rust points will form on the mantle sheet. 

5 - Galvanizing avoids the oxidation of the sheet over time 

6- The protruding metal mesh eliminates the problem of lesions on the wall that the door opening and closing movement would risk forming. 
7 - Each FOG branded sub-frame is individually packaged thanks to the use of side cardboard shoulders and is protected, for the entire metal surface, by an extensible film.




Components and Construction Details
Every detail of a Ferwall FOG Counterframe responds to real needs for practicality, reliability and safety.

Wire meshMETALLIC NETWORK
In Ferwall FOG plaster counterframes, a thick galvanized electrowelded mesh, composed of rods with a 2 mm thick diameter, is fixed to the mantle by means of tabs placed on 12 horizontal reinforcements. 
The net, which overflows the profile of the frame, facilitates and strengthens the plaster's grip, avoiding the formation of cracks and fissures over time.

wall frameBOX CABINET AND FINS SUPPORT METALLIC NET
The Ferwall FOG counterframe mantle is made of 7/10 thick corrugated galvanized sheet, further stiffened by 12 horizontal 8/10 reinforcements.


copy fin reinforcementsIn the plaster version on the same reinforcements there are some anchoring lugs of the metal mesh which, folded back on themselves, do not allow the network to move.

plasterboard framePLASTERBOARD SUPPORT
In the counterframes for plasterboard walls the reinforcements on both sides facilitate the positioning and fixing of the plasterboard sheet.

FINISHING POINTREINFORCEMENT CLINICING POINTS Clinching
allows the assembly of sheets and profiles for cold local deformation of materials. The clinching point is produced by the interaction of a matrix and a punch; what results is a coupling of very high resistance. 
On the surface of the Ferwall FOG counterframes the clinching points are round so as to allow airtight assemblies, obtained by simple deformation without cutting the sheet.

SLIDING GUIDEUPPER CROSSBEAM
The upper crosspiece of the Ferwall FOG Counterframes is made of steel. It consists of a 7/10 thick steel profile and a 2mm-thick extruded aluminum profile slide rail, completely detachable.

SHEETS INSIDE THE SHEETINSIDE AND OUTSIDE OF THE UPPER PROFILE
The inside view of the upper profile of the box shows the "guide door" formed by perpendicular fins to parallel rows obtained by shaping the sheet of the same upper profile.


upper profileOn the other hand, on the same side, there is a quick coupling system on the same profile which allows the upper crosspiece to be mounted very easily without using screws or nails, and always keeping it in a perfect position.

Scrolling trolleysSLIDING TROLLEYS FOR INTERNAL WINDOWS
The sliding frames of the counterframes for doors, each consisting of two armored roller bearings and covered in nylon for sound absorption, have a maximum total capacity of 120 kg per leaf. Each sliding door is mounted on each door.

HELM RUDDERSTEERING WHEEL FOR COUNTER CHAIRS WITHOUT THE LOWER CROSS BAR The
Ferwall FOG drawbar is used to keep the door in axis. It is made of nylon and is self-centering.

Door stopADJUSTABLE BEAT STOP
The stopper prevents the door, once opened, from falling entirely into the wall. Properly adjusted it can ensure that the handles always remain in view.

REMOVABLE SIDE BENCHESFixing 
fins The side clamps are placed on the rear profile and on the counterframe upright. Useful to drown in cement mortar for a safer anchorage.

LOWER DRAIN BAGS tongueFIXING
FLAPS The lower clamps are located in the lower part of the box and are useful for anchoring and aligning the counterframe floor. During installation, they can be drowned in cement or fixed to the floor with plugs.

LOWER ALIGNMENT BARLOWER SPACER 
The lower spacer is a special profile in galvanized sheet longer than the central spacer. To align the upright with the box and to facilitate the installation, part of its length is inserted, through a slot, inside the counterframe.
model lift for plaster