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Exterior insulation (ITE), glass wool, under Isover insulated cladding

After the attic, the outer walls are the main heat loss zone of a house with little or no insulation. They alone account for 25% of energy losses! Insulating the walls of his house can save up to 25% on his heating bill, but also gain thermal and acoustic comfort.

The components of the Optex system

Elements of an ITE Optex

Elements of an ITE Optex

1. The system consists of semi-rigid glass wool panels, covered with glass veil for thermo-acoustic insulation of the walls from the outside under cladding. The insulation used here belongs to the range Isofaçade d'Isover.

Optex rosette to hit

Optex rosette to hit

2. Composed of a knock-on hammer, rosettes are used to fix the insulation according to its thickness (from 100 to 220 mm) on the outside wall (Optex rosettes and insulated Isofaçade insulation from Isover).

Implementation of the Optex system

Bracket for fixing rafters

Bracket for fixing rafters

1. Specific brackets are screwed on the face every 60 cm in the width direction and every 1.35 m in the direction of the height.

Layout diagram of the brackets

Layout diagram of the brackets

2. There must be at least 3 brackets regardless of the height of the chevron. The brackets are fixed alternately on the left and right of the rafters.

Layout diagram of the first layer of insulation

Layout diagram of the first layer of insulation

3. The panels of the first layer of insulation are housed between the brackets and blocked by rosettes.

Nail the rosettes to hit to maintain the insulation

Nail the rosettes to hit to maintain the insulation

4. The rosettes to be hammered are hammered. They must be staggered, at least 15 cm from the edge of the insulation and every 83 cm (2 rosettes / m²).

Diagram of implantation of the chevron

Diagram of implantation of the chevron

5. The chevron is fixed on the brackets, in front of the first layer of insulation.

Install the second layer of insulation

Install the second layer of insulation

6. The second layer of insulation is wedged between the rafters, and fixed, like the first, by rosettes to hit.

Layout of reported siding

Layout of reported siding

7. The cladding (wood or PVC) is fixed on the rafters. A 20 mm thick batten is nailed to each rafter to provide an air gap of 20 mm.

FEATURES OF THE OPTEX SYSTEM
Thermal performance• BBC level: R = 4 with Isofaçade 35 in a 140 mm layer
• Building level Bepos: R = 6,85 with Isofaçade 32 in two layers of 140 + 80 mm
Your advantages• Excellent thermoacoustic performance
• Preservation of existing interior decoration
• Really space saving
• Beautification of the facade
• Valorisation of the heritage
• Made in France
• Eco-friendly
• Sustainable quality
Characteristics• Thermal conductivity of Isofaçade insulation range: λ = 0.032 W / (m.K)
• Thermal insulation certified No. 08/018/544
• Certificate of Conformity No. 1163-CPD-0174

(photos / visuals: © Isover, except special mention)

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