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Managing critical points

Managing critical points : solutions pour l'isolation par l'extérieur

Start rails, corner beads, drip mouldings, shims and hinges for shutters: Centrale ITE brings together all the accessories needed to address the specific challenges of external thermal insulation. Facade plinths, corners, openings and heavy-duty fixings are the areas where external thermal insulation (ETI) can crack, allow water in or create thermal bridges. Both private individuals and professionals can find these accessories here at trade prices.

Réf. 20910Z

100 mm aluminium coping rail – Length 2.5 m

The 100 mm aluminium top rail is a protective profile designed to cover and protect the upper edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 100 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

32,14 € TTC

26,78 € HT - TVA 20,00%

Réf. 121230

10×23 PVC external wall insulation corner bead – Length 2.5 m

The 10×23 PVC external thermal insulation corner bead is an alkali-resistant, pre-fabricated PVC profile designed to reinforce and protect external corners in external thermal insulation systems. Sold in 2.5 m lengths, it incorporates a fibreglass mesh for secure anchoring in the render.

Easy to install in fresh undercoat render, it ensures a clean finish to corners whilst preventing the formation of cracks and mechanical damage.

2,52 € TTC

2,10 € HT - TVA 20,00%

Réf. A000658

10×75 mm screw-in hinge for timber, with a Ø10 mm pin

The 10×75 mm screw-in wooden hinge with a Ø10 mm pin is a hardware fitting designed for securing swing shutters to wooden frames. Its 10 mm diameter, 75 mm long wood-threaded shank ensures a secure hold, whilst its 10 mm pin fits the corresponding shutter hinges.

This hinge is particularly used for re-fixing shutters on externally insulated façades, in conjunction with the wedges and blocks designed for fixing façade fittings.

4,48 € TTC

3,73 € HT - TVA 20,00%

Réf. A000690

10×75 mm screw-in hinge for timber, with a Ø14 mm pin

The 10×75 mm screw-in wooden hinge with a Ø14 mm pin is a hardware fitting designed for securing swing shutters to wooden frames. Its 10 mm diameter, 75 mm long wood-threaded shank ensures a secure hold, whilst its 14 mm pin fits the corresponding shutter hinges.

This hinge is particularly used for re-fitting shutters on externally insulated façades, alongside the wedges and blocks designed for fixing façade fittings.

5,14 € TTC

4,28 € HT - TVA 20,00%

Réf. A000720

10×75 mm screw-in hinge for timber, with a Ø16 mm pin

The 10×75 mm screw-in wooden hinge with a Ø16 mm pin is a hardware fitting designed for securing swing shutters to wooden frames. Its 10 mm diameter, 75 mm long wood-threaded shank ensures a secure hold, whilst its 16 mm pin fits the corresponding shutter hinges.

This hinge is particularly used for re-fixing shutters on externally insulated façades, in conjunction with the wedges and blocks designed for fixing façade fittings.

7,19 € TTC

5,99 € HT - TVA 20,00%

Réf. A000656

10×75 mm screw-in hinge for timber, with an 8 mm diameter pin

The 10×75 mm screw-in wooden hinge with an 8 mm diameter pin is a hardware fitting designed for securing swing shutters to wooden surfaces. Its 10 mm diameter, 75 mm long wood-threaded shank ensures a secure hold, whilst its black finish gives it a discreet appearance.

This hinge is particularly useful when refitting shutters on externally insulated façades, alongside the wedges and blocks designed for fixing façade fittings.

4,48 € TTC

3,73 € HT - TVA 20,00%

Réf. 20912Z

120 mm aluminium coping rail – Length 2.5 m

The 120 mm aluminium top rail is a protective profile designed to cover and protect the upper edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 120 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

36,41 € TTC

30,34 € HT - TVA 20,00%

Réf. 20914Z

140 mm aluminium coping rail – Length 2.5 m

The 140 mm aluminium coping rail is a protective profile designed to cover and protect the top edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 140 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

31,01 € TTC

25,84 € HT - TVA 20,00%

Réf. 209143

143 mm aluminium ITE starter rail

Designed for 140 mm insulation, this starter rail ensures stable and precise installation whilst protecting the lower part of the façade

15,18 € TTC

12,65 € HT - TVA 20,00%

Réf. 20916Z

160 mm aluminium coping rail – Length 2.5 m

The 160 mm aluminium top rail is a protective profile designed to cover and protect the upper edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 160 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

33,30 € TTC

27,75 € HT - TVA 20,00%

Réf. 20918Z

180 mm aluminium coping rail – Length 2.5 m

The 180 mm aluminium coping rail is a protective profile designed to cover and protect the top edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 180 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

38,93 € TTC

32,44 € HT - TVA 20,00%

Réf. 20920Z

200 mm aluminium coping rail – Length 2.5 m

The 200 mm aluminium coping rail is a protective profile designed to cover and protect the top edge of insulation panels where this is not covered by a roof overhang. Designed for insulation thicknesses of 200 mm, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

42,90 € TTC

35,75 € HT - TVA 20,00%

Réf. 209023

23 mm aluminium ITE starter rail

The 23 mm aluminium ITE starter rail enables an external thermal insulation project to get off to a smooth start. It ensures that thin insulation boards are held in place and aligned, whilst protecting the lower part of the façade.

7,88 € TTC

6,57 € HT - TVA 20,00%

Réf. 20904Z

40 mm aluminium coping rail – Length 2.5 m

The 40 mm aluminium top rail is a protective profile designed to cover and protect the upper edge of insulation panels where this is not covered by a roof overhang. Designed for insulation 40 mm thick, it is sold in lengths of 2.5 m.

Made from aluminium, its teardrop shape ensures effective drainage of rainwater, thereby providing long-lasting protection for the external thermal insulation system.

23,95 € TTC

19,96 € HT - TVA 20,00%

Réf. 209043

43 mm aluminium ITE starter rail

Designed for external thermal insulation composite (ETICS) systems, this 43 mm aluminium starter rail ensures precise alignment of the insulation boards and a neat finish at the bottom of the façade.

9,95 € TTC

8,29 € HT - TVA 20,00%

Réf. 209053

53 mm aluminium ITE starter rail

The 53 mm aluminium ITE starter rail enables an external thermal insulation project to get off to a smooth start. It ensures that 50 mm insulation panels are held in place and aligned, whilst protecting the lower part of the façade from impact and damp.

9,26 € TTC

7,72 € HT - TVA 20,00%

Key aspects of external wall insulation: definition and essential accessories

Where a façade really comes into its own

The critical points of an external wall insulation system are the areas where the insulation is interrupted, changes direction or is subjected to a load: the base of the façade, corners, window reveals and lintels, parapets and shutter hinges. These are also the areas where most problems arise: cracks, water ingress and thermal bridges. Installation begins at the bottom of the façade with the aluminium starter rail. This ensures the first row of insulation is level, protects the bottom edge from impact and channels away rainwater. Its width is chosen according to the thickness of the insulation: 143 mm for a 140 mm panel, for example. It is fixed every 30 to 50 cm, joined using connectors and cut at a 45° angle at the corners. At the top of the wall, the coping rail provides a neat finish to the system. On vertical edges and around openings, the PVC corner bead with fibreglass mesh is embedded in the base coat. It reinforces the corner, resists the alkalis in the render and prevents cracks. Above windows, the drip profile stops water from running down so that it does not flow towards the window frames. Finally, the corners of openings are reinforced with a diagonal mesh laid before the general reinforcement.

Produits isolation thermique par l'extérieur

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Fitting shutters and load-bearing elements to external insulation

Well-maintained shutters, with no thermal bridges

A shutter hinge cannot be fixed directly into insulation. It requires a rigid support, integrated into the external thermal insulation system (ETIS) before the render is applied, which bears the weight of the shutter without creating a thermal bridge. Several solutions are available from Centrale ITE:

The Blok shutter hinge is a block made of high-density polystyrene (200 kg/m³) which provides insulation whilst offering mechanical strength. It is bonded and mechanically fixed using the fixings supplied. Once the façade has been rendered, the hinge is fitted simply by screwing it in (threaded hinge) or using chemical anchoring (non-threaded hinge), with drilling carried out using a template.
The ARKTIC external wall insulation hinge blocks measure 200 × 100 mm and are available in thicknesses of 120, 140, 160 and 180 mm, to be selected according to the thickness of the insulation.
The ISO hinge bodies (Ø 25 or 30 mm, span up to 160 mm) and shutter offset brackets shift the pivot point outwards, across the entire thickness of the cladding.

For joints around joinery and penetrations, PU foam and MS adhesive complete the range. On certain buildings insulated with EPS, fire regulations also require rock wool fire barriers (Euroclass A1). We can help you check whether your project is affected.

Comment choisir son isolant extérieur ?

Étapes d'une ITE

Quelle fixation pour quel support ?

Key aspects of external wall insulation: definition and essential accessories

Good habits to adopt before getting down to the nitty-gritty

Choose one that is slightly wider than the mounting surface — for 120 mm, 123 mm; for 140 mm, 143 mm; for 160 mm – 163 mm. The panel must be securely fitted, with no gaps. Secure the panel once every 30–50 cm, and join every 2.5 m. Sections must be joined to the next section using a connector.

PVC corner profiles are used to join the corners of the façade and the openings. It is installed on a thermally broken base, protecting the surface from impact, preventing cracks and ensuring a smooth, clean finish.

Before applying the plaster, a sturdy frame must be installed, either high-density EPS – made from high-density EPS – or a concrete block of the same thickness as the orange block, with the same thickness as the bonding agent. When the façade is being clad, the mortar may be allowed to set in situ or fixed using a chemical adhesive, without creating thermal bridges to prevent the formation of thermal bridges.