Unscheduled roof repairs. What is the reason?

Why is there an unscheduled roof repair in Moscow, and what contributes to this?


Life in a private household is accompanied by a series of renovations - planned and unplanned—a troublesome business in both cases. But the planned renovation is easier because the owners save up money for it and put expenses in the family budget. Unplanned repairs, particularly the roof of a house, are associated with unexpected extra costs, so it cannot be a pleasant event. The shelter takes the blows of the elements: wind, rain, snow. Over time, it decays and requires major repairs.

But there are several reasons for the unplanned intervention:

  • Disaster. Here a person is powerless - the hurricane blows everything away;
  • Errors in design. They are allowed even at the design stage of the roof structure;


Unscrupulous installation work.

It is difficult to prove that the roof was made with violations of technology and building codes. However, wet stains on the ceiling and walls speak for themselves.

What poorly performed work entails a roof leak and, consequently, unscheduled repairs?

Violation of steam and thermal insulation

The roof did not leak during heavy rainfall in summer and autumn, but streaks appeared on the ceiling in winter. This means that the house is losing heat. This is a violation of steam insulation. Insulating material and wooden elements accumulate excess moisture, and it manifests itself in the form of condensation in wet stains.

The reason is sought at the junction of the rafters and walls. The insulation does not lie tightly, and the crossbar does not fix it.

A vapor barrier layer does not cut off warm air from the house from thermal insulation and outdoor air. This entails the creep of the insulation and the formation of cracks. Condensation appears in the thermal insulation, destruction of the lining of the attic begins.

Icicles show where heat is lost. If the vapor barrier film is not glued to each other and at the joints with the walls, then the living air enters the roofing "pie". A dew point appears in the insulation.

Insufficient ventilation.

Poor ventilation in the attic is the cause of roof problems. Must provide the insulated roof with proper ventilation. Must correctly calculate the number and total cross-section of air ducts to remove excess moisture from the insulation layer.

Eaves and ridge vents are provided in the under-roof space. The total cross-section of the ducts should be divided equally between them. The air gap allows the steam to escape into the street.


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