Waterproofing is a vital portion of all aspects of building design and construction.
Water ingress is the reason for a large percentage of building envelope failures and can usually require expensive repairs and remedial action.
Waterproof membranes can be a critical portion of residential house and commercial building practices whether you’re trying to stop water from escaping from the pool area or must stop the passage of water into walls and habitable areas.
Waterproofing membranes are usually found in the following:
Foundations and retaining walls
Bathrooms, wet areas, & pools
External walls, balconies & terraces
Roof decks and plant room floors
Car park docks and lift pits
Australia’s climate, using its torrential downpours as well as humidity, along with rising sea levels and increasing flooding events ensures that installing adequate waterproofing membranes is essential.
Water ingress can rot timber framing and flooring, rust pipes, crack concrete, undermine foundations that will create dangerous mould problems.
Adequate waterproofing layers keep the buildings safe and dry and lower your heating bills as well.
Waterproof membranes also play an important role in restoration and repair projects. Heritage buildings and homes may be at risk from water damage and mold because of poor design and adjustments to ground water levels.
Slumping foundations, damp basements, and mould are normal signs of a water issue that has to have attention.
There is a vast range of waterproof membranes available; some are multipurpose whilst others are created for highly specific applications.
BATHROOMS & SHOWERS
Wet areas for example bathrooms, showers and laundries is usually a real challenge to ensure timber framing & flooring, insulation materials, wires and internal cladding materials are certainly not confronted with damaging water ingress.
The potential risks of water ingress with standard acrylic tray and wall showers is important on its own but becomes much more important if you would like install a wet area shower.
Even small quantities of moisture can harm some flooring products, especially the particalboard type, leading to swelling, popped joints and nails/ screws and eventually the entire degradation from the material.
A waterproof membrane is essential in wet areas both for floors and walls. Coverings like tiles or vinyl usually do not provide an adequate degree of protection by themselves.
Only a recommended waterproof membrane can present you with real comfort.
POOLS & WATER TANKS
Waterproof membranes form an essential role to maintain an excellent seal beneath and around private pools, water tanks, and sewerage treatment tanks.
Waterproof membranes here have to be in a position to withstand the enormous pressures involved in containing bulk water.
WALL & Ceramic tiles
It may be particularly tough to ensure a powerful waterproof layer underneath tiles must be good adhesion is essential for screed.
Effective waterproofing is crucial especially where tiles are employed in wet areas since the gaps between tiles allows easy water ingress.
UV exposure can also be a problem as well as the need for a membrane that is certainly appropriate for safe mineral water.
WALLS
Many cladding types and building designs could be susceptible to leaks particularly if the flashing’s and drainage weren’t done properly.
This is true both for older style and much more modern constructions. Whether you’re doing a new build or repairing an existing leak it’s imperative that you make sure the waterproof membrane is beneficial and sturdy.
FORMWORK
Waterproof membranes play a crucial role as both a barrier against water penetration along with providing an adequate surface for applying all kinds of cladding types including Hebel block, SIP panels, Dincel, AFS, brick, block, render, and paint.
ROOF
Modern flat roofs especially with the concrete type require the careful use of a powerful waterproof membrane.
This too refers to balconies, terraces, and planter boxes, that frequently cause water ingress problems.
BALCONIES & TERRACES
Waterproof membranes are necessary here too just like any structure that extends beyond the building envelope.
Inadequate sealing against moisture penetration together with the significant load bearing properties of balconies make water ingress and damage perhaps the most common occurrence.
A water-proof membrane will need to cover not just the ground but in addition extend partway up adjoining walls to form a sufficient barrier.
FLOORS
Water damage and mold is among the most common and dear insurance jobs. Water leaks damages floors over a long time frame before the damage becomes obvious.
Effective waterproof membranes are particularly critical for floors underground (basements and car parks), in wet areas including bathrooms, and underneath pools and spas.
FOUNDATIONS
Foundations and basement areas commonly require some sort of waterproof membrane. This is also true for multi-storey buildings, sloping sites, along with older buildings where adequate drainage may not have been designed or that are part of the site.
Burst water pipes may also do significant damage underground if basement and foundation level structures aren’t protected by a water-proof membrane.
On many occasions these areas in many cases are beyond sight, away from mind and water seepage might cause considerable damage before it’s noticed including slumping foundations, cracked and bowed walls, rotting timbers, and also the development of unhealthy levels of mould.
CONCRETE
Concrete buildings are surprisingly vunerable to inundating, especially modern flat roof designs where water can pool and accelerate the velocity of structural decay in the roofing materials.
Concrete roofing that lacks adequate waterproofing may allow water to infiltrate and corrode the steel reinforcing rods.
Ultimately, this will likely result in weak, crumbling concrete structures that allow water ingress even more into the building envelope.
This kind of damage can be be extremely expensive to fix and the installing of the best waterproof membrane is critical.
WATERPROOFING MEMBRANE TYPES
Waterproof membranes come in a variety of types made for different applications and conditions.
Membranes need to be flexible and able to expand and contract when temperature changes make the building surface to go.
What type is right for you is determined by a number of factors. You may need to think about the following aspects:
UV exposure
Kind of substrate
Exposure to dirt & traffic
Sized place to be covered
Internal or external use
Storage of potable water
It’s imperative that you choose the right waterproof membrane material for the specific job and know how to apply it.
Remember, the major reasons for waterproof membrane failures are poor or inadequate preparation and incorrect product choice.
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