Roof insulation in Pakistan: what materials for what types of roofs?

A roof that is flat or inclined requires isolation. By investing in this work, you realize substantial savings and protect your home by effectively retaining heat. But what materials to use to achieve good insulation?

Roof insulation from the outside or from the inside

The first question to ask is whether you want to insulate your roof from the inside or the outside. In the case of insulation from the inside, insulating material is inserted between the rafters of the frame. For insulation from the outside, the insulation will be placed between the frame and the cover whether it is flat or inclined.

Insulation of an inclined roof: natural or synthetic materials?

To insulate a sloping roof that it is in slates or in tiles can be done using different materials more or less expensive and effective:

Glass wool: it is a relatively economical natural material which has good qualities in terms of thermal and sound insulation. It is often used with a vapor barrier to prevent the risk of condensation in the walls. It is hydrophilic, flame retardant and rot-proof;

Extruded polystyrene panels: they are used for walls as well as for roofs. This synthetic material is durable and ages very well. It has low permeability to water and is also rot-proof;

Aluminum layer: both economical and flexible it is a thin multilayer and reflective insulating coating easy to install;

Polyurethane foam: coated with a bituminous glass membrane, the insulation based on rigid polyurethane foam is in the form of non-deformable panels and does not absorb moisture.

Insulation of a flat roof: we isolate from the outside

A flat roof also needs to be properly insulated. It is however more vulnerable to water infiltration compared to a sloping roof. It is therefore recommended not to insulate from the inside to avoid too much condensation and the risk of damage due to moisture. The insulation of a flat roof is carried out externally by placing the material on or under the waterproofing membrane of the roof. These are synthetic insulators that are used for this type of roof very specific and increasingly common .We offer tayar-chatain.For more:https://ittefaqgroup.pk/

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