Key Information Regarding Waterproofing Membrane

Waterproofing is an essential element of every aspect of building design and construction.

Water ingress accounts for a lot of building envelope failures and will usually require expensive repairs and remedial action.

Waterproof membranes really are a critical section of residential house and commercial building practices whether you’re looking to stop water from escaping from the pool or have to steer clear of the passage of water into walls and habitable areas.

Waterproofing membranes are typically perfectly located at 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 and high humidity, as well as rising sea levels and increasing flooding events means that installing adequate waterproofing membranes is essential.

Water ingress can rot timber framing and flooring, rust pipes, crack concrete, undermine foundations and create dangerous mould problems.

Adequate waterproofing layers keep your buildings safe and dry reducing your heating bills too.

Waterproof membranes also play an important role in restoration and repair projects. Heritage buildings and homes might be at an increased risk from water damage as a result of poor design and changes in ground water levels.

Slumping foundations, damp basements, and mould are routine signs and symptoms of a water issue that really needs attention.

There is a huge selection of waterproof membranes available; some are multipurpose whilst other people are designed for highly specific applications.

BATHROOMS & SHOWERS

Wet areas for example bathrooms, showers and laundries can be quite a real challenge for ensuring timber framing & flooring, insulation materials, wires and internal cladding materials aren't encountered with damaging water ingress.

The potential risks of water ingress with standard acrylic tray and wall showers is crucial in its own right but becomes a lot more important if you need to use a wet area shower.

Even small amounts of moisture damages some flooring products, especially the particle board type, bringing about swelling, popped joints and nails/ screws and eventually the whole degradation from the material.

A waterproof membrane is essential in wet areas for both floors and walls. Coverings for example tiles or vinyl do not provide an adequate degree of protection independently.

Just a recommended waterproof membrane can present you with real satisfaction.

POOLS & WATER TANKS

Waterproof membranes form an important role in maintaining a good seal beneath and around pools, water tanks, and sewerage treatment tanks.

Waterproof membranes here should be able to withstand the large pressures associated with containing bulk water.

WALL & Ceramic tiles

It could be particularly difficult to ensure a highly effective waterproof layer underneath tiles must be good adhesion is needed for screed.

Effective waterproofing is crucial especially where tiles are used in wet areas because the gaps between tiles allows easy water ingress.

UV exposure can also be a worry and then for the necessity for a membrane which is works with safe mineral water.

WALLS

Many cladding types and building designs might be vulnerable to leaks specifically flashing's and drainage have not been done right.

This is true for both older style and more modern constructions. Whether you’re performing a new build or repairing a current leak it’s important to ensure the waterproof membrane is effective and durable.

FORMWORK

Waterproof membranes play an important role as both a barrier against water penetration in addition to providing a satisfactory surface for applying various cladding types including Hebel block, SIP panels, Dincel, AFS, brick, block, render, and paint.

ROOF

Modern flat roofs especially of the concrete type require the careful application of a highly effective waterproof membrane.

This too refers to balconies, terraces, and planter boxes, all of which frequently cause water ingress problems.

BALCONIES & TERRACES

Waterproof membranes are crucial here too as with any structure that extends past the building envelope.

Inadequate sealing against moisture penetration combined with significant load bearing properties of balconies make water ingress and damage a typical occurrence.

A waterproof membrane will need to cover not only the ground but also extend partway up adjoining walls to form a sufficient barrier.

FLOORS

Water damage and mold is one of the most popular and expensive insurance jobs. Water leaks can damage floors over an extended stretch of time prior to the damage becomes obvious.

Effective waterproof membranes are particularly critical for floors below ground (basements and car parks), in wet areas such as bathrooms, and underneath pools and spas.

FOUNDATIONS

Foundations and basement areas commonly require some type of waterproof membrane. This is especially true for multi-storey buildings, sloping sites, along with older buildings where adequate drainage may not have been designed or built into the website.

Burst water pipes can also do significant damage below ground if basement and foundation level structures aren't paid by a waterproof membrane.

Oftentimes these areas are often away from sight, out of mind and water seepage can cause considerable damage before it’s noticed including slumping foundations, cracked and bowed walls, rotting timbers, and also the development of unhealthy amounts of mould.

CONCRETE

Concrete buildings are surprisingly prone to water damage, especially modern flat roof designs where water can pool and accelerate the velocity of structural decay inside the roofing materials.

Concrete roofing that lacks adequate waterproofing may allow water to infiltrate and corrode the steel reinforcing rods.

Ultimately, this will cause weak, crumbling concrete structures that enable water ingress even more to the building envelope.

Such a damage can be quite harmful for fix so the installing a reliable waterproof membrane is critical.

WATERPROOFING MEMBRANE TYPES

Waterproof membranes appear in an array of types suitable for different applications and types of conditions.

Membranes have to be flexible and capable to expand and contract when temperature changes cause the building surface to maneuver.

Which fits your needs depends on several factors. You may want to consider the following aspects:

UV exposure

Form of substrate

Experience dirt & traffic

Height and width of method to be covered

Internal or external use

Storage of potable water

It’s crucial that you select the right waterproof membrane material on your specific job and learn how to apply it.

Remember, the key causes of waterproof membrane failures are poor or inadequate preparation and incorrect product choice.

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