Flat Roof Sealing.

A flat roof or deck is composed of several elements: the support, the roof slope, the vapor barrier, the insulation, the seal, the apertures and protection or roof covering.

Why sealing a flat roof is so important?

Rain water must not get inside the house, so a sealing coat must be applied to ensure the roof is watertight.

Without this sealing:

• water may enter the house
• the roof support may be damaged by water
• mold, damp walls or wet patches may appear inside the home
• mushrooms, stale indoor air, stains on the walls and ceilings or peeling wallpaper may appear

Types of sealing

There are several types:

• asphalt
• bitumen products
• roofing membrane: glued on top of each other, consisting of several reinforced bitumen sheets

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