Durability of Liquid Roof Coatings

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Liquid Roof is a liquid elastometric copolymer rubber coating that has excellent elongation, tensile strength, UV resistance and durability. Cures to a hard white or light gray rubber heat reflecting coating!
The material factors that influence durability are complex and related to the chemical composition of the liquid constituents, the thickness of the system as well as the type and density of the reinforcement. Central to the long-term success of liquid-applied waterproofing systems is preparation of the substrate and achieving the required membrane thickness.
Typically, manufacturers only guarantee their products when applied by approved and trained installers. This is not surprising as standards of application by squeegee, roller, brush or spray are very demanding; layers are measured to tenths of a millimetre and avoidance of air holes is essential. The weather conditions in which the liquid is laid are critical as are the times between application of coats.

Other key durability issues include:

* Ensuring the substrate construction and condition is free from material which may impair the bond, create thin spots or penetrations in the coating.
* Provision for moisture removal of damp substrates.
* Ensuring there are no point loads on the roof.
* Specifying a system suited to the expected traffic load.
* Appropriate detailing at edges, verges, upstands, outlets, movement joints and day joints.


Liquid-applied coating that forms the waterproofing layer of an inverted roof should not require replacement during the life of the building, provided it is fully protected from ultra-violet radiation and extreme temperature variations by a loading layer above it.

By increasing the longevity of roof materials by using cool coatings, organizations can avoid a substantial amount of roofing waste. There are an estimated 11 million tons of asphalt roofing waste going into landfills every year. Using liquid roof coatings can greatly increase the life of existing roof materials (particularly roof coatings) and reduce the amount of torn-off roofing waste going into landfills. The roofing waste that remains can be recycled into road mixes using existing processes already operating.

Liquid Roof

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Liquid Roof is a liquid elastometric rubber coating that has excellent elongation, tensile strength, UV resistance and durability. Liquid roof is a true EPDM rubber and is available in liquid form only. In fact it is the liquid version of single ply EPDM membrane, one can say, Liquid EPDM. It can be employed for both repairing and replacing the EPDM or sheet rubber roof. Its features such as waterproofing and easy application over all roofing materials, UV and ozone resistance, elasticity and long term flexibility, capability to withstand large temperature range i.e. from -62 degrees F to 300 degrees F without cracking or deteriorating, make it very different from other roof coatings. It is also a one-coat application product, ultimately saving both time and money.

Liquid Roof and liquid rubber are super-strong and waterproof, and is able to survive tremendous temperatures of warmth and chilly. The liquid form makes it possible to apply EPDM rubber to many materials regardless of their shape. It cures by chemical reaction at ambient (ordinary) temperatures to form a flexible rubber membrane. A pre-measured catalyst is added to the rubber compound before application. The true Liquid EPDM rubber available in the market is Liquid Roof. The advantages that this liquid rubber coating offers are countless. It is waterproof, has high compatibility with almost all types of surfaces, very flexible and elastic and can withstand a large temperature range from -62 degrees F to 300 degrees F without cracking.

Liquid roof ideally can be used for many types of roof repair. One of the most important Liquid Roof Repair applications is RV Roof Repair. Liquid roof sticks to the entire types of facades- canvas, plywood, suds, cement, mass rubber, customized roofing, additional roof coverings, strengthen, timber, top tiles, genuine tiles, solid, and many more. It is the most cost effective and efficient product for solving RV Roof Leaks Repair problem as it does not chalk, shrink, crack, peak and flake.

Roofing Facts which all of us need to know

- Metal roofing panels, especially darker colors, respond to temperature change by expanding and contracting. This causes the fastener holes size to increase, and can cause leaks.

- Panels screwed into metal roof rafters will experience less thermal movement.

- Galvanized factory-finished roofing panels and flashing materials, used in housing construction, require specific dimensions of panel and flashing overlapping and watertight sealant application between the product overlaps according to the manufacturer's recommendations.

- Exterior coatings and sealants applied to roofing panels and flashings dry out and fade prematurely, because the ultraviolet rays of the sun in sunny areas are intense. If the coatings and sealants are not maintained and replaced before they dry out, they will crack and allow water infiltration.

- The driving tropical rains from all different directions and can be challenging for roofing materials that use an overlapping system of corrugated panels to keep moisture out. When rain comes at a building from almost sideways, it forces water under these metal panels that eventually ends up on the roof sheathing installed on top of the roof rafters.

- Many structures do not have a roof sheathing installed and the metal panels are screwed directly into the roof rafters. The spacing in between the roof rafters is open to the interior ceiling of the living areas below and any water infiltration ends up on top of the materials installed for the living area ceilings.

- If the interior ceiling material selected was drywall or other porous type materials, then eventually, with sufficient water infiltration, those areas of the ceilings will appear clouded or sometimes the surface will peel off.

Durability of Liquid Roof Coatings

Liquid Roof is a liquid elastometric copolymer rubber coating that has excellent elongation, tensile strength, UV resistance and durability. Cures to a hard white or light gray rubber heat reflecting coating!
The material factors that influence durability are complex and related to the chemical composition of the liquid constituents, the thickness of the system as well as the type and density of the reinforcement. Central to the long-term success of liquid-applied waterproofing systems is preparation of the substrate and achieving the required membrane thickness.
Typically, manufacturers only guarantee their products when applied by approved and trained installers. This is not surprising as standards of application by squeegee, roller, brush or spray are very demanding; layers are measured to tenths of a millimetre and avoidance of air holes is essential. The weather conditions in which the liquid is laid are critical as are the times between application of coats.

Other key durability issues include:

• Ensuring the substrate construction and condition is free from material which may impair the bond, create thin spots or penetrations in the coating.
• Provision for moisture removal of damp substrates.
• Ensuring there are no point loads on the roof.
• Specifying a system suited to the expected traffic load.
• Appropriate detailing at edges, verges, upstands, outlets, movement joints and day joints.

Liquid-applied coating that forms the waterproofing layer of an inverted roof should not require replacement during the life of the building, provided it is fully protected from ultra-violet radiation and extreme temperature variations by a loading layer above it.

By increasing the longevity of roof materials by using liquid roof coatings, organizations can avoid a substantial amount of roofing waste. There are an estimated 11 million tons of asphalt roofing waste going into landfills every year. Using liquid roof coatings can greatly increase the life of existing roof materials (particularly roof coatings) and reduce the amount of torn-off roofing waste going into landfills. The roofing waste that remains can be recycled into road mixes using existing processes already operating.