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Poseidon wetroom waterproofing — European Technical Assessment ETA-23/0378

What an ETA Means: Poseidon Wetroom Waterproofi...

Explains what a European Technical Assessment is and why Poseidon's ETA-23/0378, its EN 14891 results and 25-year assessed working life give tilers and specifiers real, independent confidence over uncertified tanking...

What an ETA Means: Poseidon Wetroom Waterproofi...

Explains what a European Technical Assessment is and why Poseidon's ETA-23/0378, its EN 14891 results and 25-year assessed working life give tilers and specifiers real, independent confidence over uncertified tanking...

Passive Purple watertight and vapour-intelligent coating — EN 14891

Waterproof, Watertight and Vapour-Intelligent: ...

One liquid-applied coating that is airtight, watertight to EN 14891 and vapour-intelligent, with high elongation to bridge cracks and move with the building.

Waterproof, Watertight and Vapour-Intelligent: ...

One liquid-applied coating that is airtight, watertight to EN 14891 and vapour-intelligent, with high elongation to bridge cracks and move with the building.

Passive Purple mould and fungal resistance — ASTM D3273 and ASTM G21

Mould and Fungal Resistance: How Passive Purple...

Passive Purple scored a perfect 10/10 for mould over 28 days and zero fungal growth in independent ASTM testing, protecting healthy airtight interiors.

Mould and Fungal Resistance: How Passive Purple...

Passive Purple scored a perfect 10/10 for mould over 28 days and zero fungal growth in independent ASTM testing, protecting healthy airtight interiors.

Passive Purple adhesion testing across substrates — EN ISO 4624

What Does Passive Purple Stick To? Independent ...

Independent pull-off tests across steel, timber, masonry, gypsum, boards and insulation show Passive Purple's bond consistently beats the substrate it's applied to.

What Does Passive Purple Stick To? Independent ...

Independent pull-off tests across steel, timber, masonry, gypsum, boards and insulation show Passive Purple's bond consistently beats the substrate it's applied to.

Passive Purple radon and methane ground-gas barrier — one continuous coating

Passive Purple as a Radon and Methane Barrier: ...

Independently tested radon and methane data shows how one continuous liquid membrane can serve as both airtight layer and ground-gas barrier, with no laps or joints to bypass.

Passive Purple as a Radon and Methane Barrier: ...

Independently tested radon and methane data shows how one continuous liquid membrane can serve as both airtight layer and ground-gas barrier, with no laps or joints to bypass.

Passive Purple fire performance — ASTM E84 Class A and EN 13501-1 Euroclass

Passive Purple Fire Performance: Class A in the...

Independently tested fire classifications on both US and European systems: ASTM E84 Class A, EN 13501-1 Euroclass C-s1,d0 alone, and B-s1,d0 as the Passive Purple + FRED system.

Passive Purple Fire Performance: Class A in the...

Independently tested fire classifications on both US and European systems: ASTM E84 Class A, EN 13501-1 Euroclass C-s1,d0 alone, and B-s1,d0 as the Passive Purple + FRED system.