The 4 Types of Panels for Exterior Roof Insulation

Exterior roof insulation has many advantages, starting with the preservation of the attic without encroaching on the interior space. However, this involves significant work. As this is a renovation, the entire roof must be removed.

 

Therefore, the insulation of the roof from the outside is to be considered in new construction or complete renovation of the roof. The Insulated Panels Logan for the exterior are designed to adapt to this type of site. They are resistant to compression and are chosen according to the type of external insulation to be made:

 

1. Insulation panels for sarking

 

Sarking consists of a way of "raising" the existing roof. For this, the old cover must be removed. The rafters and the insulation are preserved, and the insulating panels are placed on decking or directly on the rafters. The installation of an HPV screen (on the panels, which do not have one), a lathing, a counter lathing, and the cover complete the whole.

 

Sarking panels can be made with mineral, synthetic, or sourced materials. They often have a tongue-and-groove system to fit together perfectly for easy installation. They thus ensure optimal sealing and greatly limit the risk of the appearance of thermal bridges. If you're looking for a solution that's both effective and budget-friendly, consider to Buy Cheap Insulated Panels using the sarking technique.

 

2. Seasoned caissons

 

Like sarking, the seasoned caisson technique involves significant work. These are narrow panels, up to 8 meters long. On their underside, they have a facing in OSB, plasterboard, or paneling. This facing is a real advantage because it constitutes the ceiling on the interior side of the dwelling.

 

The raftered boxes are fixed on the purlins by screwing the rafters located on either side of the panel. Inside, these boxes are insulated with mineral wool and synthetic or sourced materials. The seasoned caissons are subject to the technical opinion of the experts, and their installation must follow the instructions in the manufacturer's technical file.

 

3. Sandwich panels

 

As its name suggests, this type of panel, formed by several layers of materials, looks like a sandwich. This panel is composed of an outer face, an underside, and insulation "sandwiched" between the two layers.

When it comes to Cheap Insulated Panels, similar to seasoned boxes, the installation principle is straightforward. These panels are laid on the roof's purlins and securely fastened with screws, following the manufacturer's guidelines diligently.

 

4. Insulation panels for a flat roof

 

Thermal insulation of a flat roof is carried out in most cases from the outside. This technique is known as warm roofing, as opposed to cold roofing (insulation from the inside). It consists of installing a vapor barrier on the roof, rigid insulating panels, and a waterproofing membrane.

It is possible to convert the flat roof into a terrace. In this case, it is called a flat roof. The choice of insulation boards must take into account the resistance to compression. This is to be chosen all the higher as the materials to be laid are heavy (gravel, terrace slabs, topsoil, etc.).

 

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