To repair cracks in concrete ceilings the most common treatments have to do with the awarding of waterproofing sheets of unlike characteristics, which cover the surface, sealing fissures and preventing leaks. They are known every bit asphalt membrane (or asphalt mantle) and liquid membrane and they are the best solution if yous want to waterproof a cement ceiling.

Whichever system yous choose to solve the humidity in the roofs, you should start by a good grooming of the surface of the roof so that the product you choose really acts as a skilful waterproofing or hire a credible squad from Cherry and Clark Covering.
How to waterproof a cement ceiling

REPAIR OF ROOF LEAKS: Training OF THE SURFACE TO Exist WATERPROOFED

The start affair that you lot must take into business relationship to waterproof terraces is to continue to the deep cleaning of the base of the roof. If there are, remove all remaining waterproofing with brushes, spatulas or other suitable elements. Remove traces of dust, mold, grease or whatever other clay that prevents the subsequent sealing of the waterproofing. Wash with h2o, detergent, and of course, allow the entire surface dry properly before proceeding with the sealing. Then we will take to try to place the cracks and fissures in the roof (causing the leaks), which you suppose accept generated the interior humidity stains.

HOW TO SEAL CRACKS IN THE CEILING?

Although it seems obvious to say information technology, every bit a first measure to seal fissures and cracks in the roof, you lot have to choose a dry out mean solar day, without so much heat, cold or humidity, to favor the work of sealing and waterproofing. Cracks that generate wet leaks, should be enlarged with a spatula and clean any remaining dust. In this way the sealant volition have more than "torso" or thickness to support the possible movements of these fissures, without detaching.

The market offers special waterproof sealers to repair cracks that usually come in cartridges for application with special guns. If you lot practice not accept the applicator, you can as well become the waterproof sealer in transmission application knobs. Sealed and clean the roof surface, let'south come across what both terraces waterproofing systems consist of.

CEILING MEMBRANES (ASPHALT MEMBRANES)

For many years, asphalt membranes (or asphalt blankets) were the most widely used system for waterproofing roofs and repairing wetlands. The idea is to cover the entire roof of the slab and its side walls (loads) to ensure continuity in the waterproofing of the roof. The asphalt membranes are a good manner to solve leaks in the roof as they are well placed and pay close attending to the sealing between the different parts of the same and in their marriage with the walls.

HOW TO Place Cobblestone MEMBRANES ON CEILINGS

Basically, the cobblestone membranes are sold in rolls of 1m broad by 10m long in thicknesses of iv to 6mm. There are passable or non-passable and its placement is done using a heat gun or a flame torch with which the edges of the same are heated, superimposing them together to form a single cloth.

As a compliment, the most used roofing membranes take a face with aluminum that is placed upwards, to make sunlight reflect. In this way, it is non only possible to repair dampness but also to favor the thermal insulation of the roof, making the interiors cooler. Regarding the question of whether or non to apply another paint on the surface of the slab roof, the IRAM Standards specify as a recommendation that: the membrane for roofing or asphalt membrane must be placed by the organisation "all adhered".