What is the best method for waterproofing garage roofs?

Handwerker richtet Trapezblech auf Garagendach aus.

Is the garage roof leaking? There are several reputable methods of waterproofing. The premium solution is to apply a shed roof.

Recognize weak points on the garage roof at an early stage!

Damage to the garage roof is often only recognized when it is actually dripping from the ceiling. By this time, major damage has usually already occurred. To prevent this from happening, it is important to recognize signs at an early stage:

Look out for dark spots on the walls and ceiling of the garage. These may be mold or mildew stains caused by penetrating moisture.
Check the garage drainage system regularly. Blocked downpipes or gutters can also lead to water damage.

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When does the garage roof need to be renovated?

There are various reasons why a garage roof renovation is necessary. In the case of old garages that have not been maintained for a long time, it can happen that:

an old green roof has been removed and/or
a dilapidated roof coating needs to be renewed or
in the worst case – the roof is already leaking.

How do you seal a flat roof properly?

A leaking garage roof causes high levels of moisture in the garage, which can lead to damage to the vehicle and other stored items. It is therefore important to seal a garage roof as quickly as possible.

There are several options for garage roof renovation to make the roof watertight again:

The ZAPF garage professionals apply new waterproofing to the roof. To do this, the loose old coating residue and/or (if a green roof was previously applied) soil, plants and moss are first removed from the garage roof. New professional welded membranes are then applied to the roof and – if requested by the customer – a temperature-regulating layer of gravel (or the multi-part green roof structure) is added.
The alternative to these forms of garage roof waterproofing is the mono-pitch roof.

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The premium solution for roof waterproofing: the mono-pitch roof

What is a monopitch roof?

A monopitch roof, also known as a pitched roof, is very similar to a flat roof. However, the roof is slightly pitched on one side. This slight roof pitch allows water to drain away optimally. The rainwater runs down the slope directly into the gutter, which is connected to the existing roof inlet.

How is a monopitch roof installed?

The ZAPF garage experts placed the shed roof on top of the old garage roof like a kind of hood. This creates an additional insulation layer between the flat roof and the new shed roof, which improves the insulation and therefore the climate in the garage. In addition, the roof’s damping system attenuates loud noises such as pattering rain. What’s more, the monopitch roof is particularly durable.

ZAPF tip: Have roof edge design/protection fitted

Roof refurbishment makes a huge contribution to maintaining the value of the garage. If you want to add the finishing touch to a classic flat roof renovation (not a shed roof renovation), you should also have a so-called roof edge design installed. This is a “protective edge” that is applied around the newly renovated flat garage roof. The roof edge design prevents the formation of streaks or stains from rain and snow on the garage walls. This keeps the renovated garage in top condition.

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