Waterproofing is a vital part of all aspects of building construction and designs.
Water ingress is the reason for lots of building envelope failures and definately will usually require expensive repairs and remedial action.
Waterproof membranes really are a critical part of residential house and commercial building practices whether you’re looking to stop water from escaping from your pool or need to avoid the passage of water into walls and habitable areas.
Waterproofing membranes are typically 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, featuring its torrential downpours and high humidity, along with rising sea levels and increasing flooding events ensures that installing adequate waterproofing membranes is crucial.
Water ingress can rot timber framing and flooring, rust pipes, crack concrete, undermine foundations and build dangerous mould problems.
Adequate waterproofing layers maintain buildings safe and dry minimizing your heating bills as well.
Waterproof membranes also play a huge role in restoration and repair projects. Heritage buildings and houses could be vulnerable from water damage due to poor design and alterations in ground water levels.
Slumping foundations, damp basements, and mildew are normal signs and symptoms of a water issue that really needs attention.
There’s a vast range of waterproof membranes available; some are multipurpose whilst other people are created for highly specific applications.
BATHROOMS & SHOWERS
Wet areas such as bathrooms, showers and laundries is usually a real challenge for ensuring timber framing & flooring, insulation materials, electrical wiring and internal cladding materials usually are not encountered with damaging water ingress.
The hazards water ingress with standard acrylic tray and wall showers is critical on its own but becomes a lot more important if you would like put in a wet area shower.
Even small quantities of moisture can damage some flooring products, especially the particalboard type, leading to swelling, popped joints and nails/ screws and finally the complete degradation in the material.
A water-resistant membrane is vital in wet areas for both floors and walls. Coverings like tiles or vinyl tend not to present an adequate amount of protection on their own.
Simply a recommended waterproof membrane can provide real peace of mind.
POOLS & WATER TANKS
Waterproof membranes form an important role in maintaining an excellent seal beneath and around private pools, water tanks, and sewerage treatment tanks.
Waterproof membranes here need to be able to withstand the enormous pressures involved in containing large volumes water.
WALL & FLOOR TILES
It may be particularly challenging to ensure an effective waterproof layer underneath tiles because a good adhesion is needed for screed.
Effective waterproofing is vital especially where tiles are widely-used in wet areas since the gaps between tiles makes it possible for easy water ingress.
UV exposure can also be an issue as well as the need for a membrane that is certainly suitable for safe drinking water.
WALLS
Many cladding types and building designs can be prone to leaks particularly if the flashing’s and drainage have not been done efficiently.
This is true both for older style plus more modern constructions. Whether you’re doing a new build or repairing a preexisting leak it’s vital that you ensure the waterproof membrane works well and durable.
FORMWORK
Waterproof membranes play a vital role as both a barrier against water penetration as well as providing a satisfactory surface for applying all types of cladding types including Hebel block, SIP panels, Dincel, AFS, brick, block, render, and paint.
ROOF
Modern flat roofs especially with the concrete type have to have the careful use of a highly effective waterproof membrane.
And also this relates to balconies, terraces, and planter boxes, which frequently cause water ingress problems.
BALCONIES & TERRACES
Waterproof membranes are necessary here too as with every structure that extends past the building envelope.
Inadequate sealing against moisture penetration combined with the significant load bearing properties of balconies make water ingress and damage a common occurrence.
A water-proof membrane will need to cover not only a floor but in addition extend partway up adjoining walls to make an adequate barrier.
FLOORS
Inundating is amongst the most typical and costly insurance jobs. Water leaks can harm floors over a prolonged time period prior to the damage becomes obvious.
Effective waterproof membranes are particularly crucial for floors below ground (basements and car parks), in wet areas like bathrooms, and underneath pools and spas.
FOUNDATIONS
Foundations and basement areas commonly require some form of waterproof membrane. This is especially true for multi-storey buildings, sloping sites, along with older buildings where adequate drainage might possibly not have been designed or included in the site.
Burst water pipes also can do significant damage below ground if basement and foundation level structures are certainly not protected by a waterproof membrane.
On many occasions these areas are often from sight, beyond mind and water seepage might cause considerable damage before it’s noticed including slumping foundations, cracked and bowed walls, rotting timbers, and also the expansion of unhealthy degrees of mould.
CONCRETE
Concrete buildings are surprisingly prone to damage from water, especially modern flat roof designs where water can pool and accelerate the rate of structural decay from the roofing materials.
Concrete roofing that lacks adequate waterproofing may allow water to infiltrate and corrode the steel reinforcing rods.
Ultimately, this can lead to weak, crumbling concrete structures that enable water ingress even more to the building envelope.
This type of damage can be very harmful for fix and the setting up the best waterproof membrane is critical.
WATERPROOFING MEMBRANE TYPES
Waterproof membranes can be found in a variety of types designed for different applications and scenarios.
Membranes should be flexible and able to expand and contract when temperature changes increase the risk for building surface to maneuver.
Which one is right for you will depend on several factors. You may want to think about the following aspects:
UV exposure
Kind of substrate
Contact with dirt & traffic
Size place to be covered
Internal or external use
Storage of potable water
It’s important to pick the best waterproof membrane material for your specific job and learn how to put it to use.
Remember, the most important reasons for waterproof membrane failures are poor or inadequate preparation and incorrect product choice.
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