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System & Product testing

CWCT – Standard for systemised building envelopes – 2005

Cembrit Patina Original – Face Fix and Secret Fix

Cembrit put our Windstopper Extreme and Patina panels through a full CWCT sequence with UL in 2021 to test the full performance of the system.   Air Leakage (Infiltration & Exfiltration)  / CWCT Section 5 Water Penetration – Static  / CWCT Section 6 Water Penetration – Dynamic Aero Engine / CWCT Section 7 Water Penetration – Hose / CWCT Section 9 Wind Resistance – Serviceability / CWCT Section 11 Wind Resistance – Safety / CWCT Section 12 Impact – Retention to Performance & Safety to Persons / CWCT TN 76
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Fire Resistance Test In Accordance With BS EN 1364-1:2015

Cembrit Windstopper Extreme has been tested in accordance to BS EN 1364-1:2015 (BS 476-22:1987). As part of a non-load bearing vertical building element Windstopper Extreme 9mm will provide up to 120 minutes of fire resistance when exposed to fire from one side.
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Fire Resistance Test In Accordance With BS EN 1364-1:2015 at Cambridge Fire Research Cembrit Windstopper Basic

Fire Resistance Test In Accordance With BS EN 1364-1:2015 Cembrit Windstopper Basic has been tested in accordance to BS EN 1364-1:2015 (BS 476-22:1987). As part of a non-load bearing vertical building element Windstopper Basic 9mm will provide up to 60/60 minutes of fire resistance when exposed to fire from one side.
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British Board of Agrément Windstopper Extreme

Agrément Certificate Product Sheet relates to Windstopper Extreme, fibre-cement boards for use externally as sheathing boards to new and existing buildings, providing temporary weather protection prior to over-cladding with a permanent façade rainscreen cladding. The boards can be used structurally when applied to steel-frame substrate walls. The boards are non-structural when applied to timber-frame substrate walls, providing racking resistance where required.
Certificate

SINTEF Certification

SINTEF certify that Windstopper can be used as a wind barrier system and may stay exposed to external climate for up to 12 months before a cladding is installed on the outside. **When installed in conjunction with Cembrit Windstopper Tape.**
Test Report

Cembrit British Board of Agrément for Façade Boards

Agrément Certificate Product Sheet relates to Cover, Solid and Patina Cladding Panels, fibre-reinforced cement panels for use as exterior non-load bearing, decorative cladding panels on timber or metal vertical supports over timber frame, steel frame or masonry external walls of new and existing buildings. The panels are capable of safely sustaining and transmitting to the supporting structure of the building all dead, imposed and wind loads. CERTIFICATION INCLUDES: • factors relating to compliance with Building Regulations where applicable • factors relating to additional non-regulatory information where applicable • independently verified technical specification • assessment criteria and technical investigations • design considerations • installation guidance • regular surveillance of production • formal three-yearly review.
BBA Certificate

Roofing prodcut testing

Westerland Fibre Cement Slate BBA

Agrément Certificate Product Sheet relates to Westerland Slates, acrylic-coated, fibre-reinforced cement slates for use on conventional pitched timber roofs with a rafter pitch of 20° and over, or hung vertically as cladding on external walls.
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British Board of Agrément Jutland Slate

CERTIFICATION INCLUDES: • factors relating to compliance with Building Regulations where applicable • factors relating to additional non-regulatory information where applicable • independently verified technical specification • assessment criteria and technical investigations • design considerations • installation guidance • regular surveillance of production • formal three-yearly review.
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Morrland Slate BBA Certification

Strength: the product has adequate strength to resist the loads associated with installation of a roof or an external wall cladding. Properties in relation to fire: the use of the product as a roof or an external wall cladding is unrestricted under the national Building Regulations. Weather resistance: the product will resist the passage of moisture into a building. Durability: under normal  conditions, life in excess of 30 years.
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Cemsix BBA

Agrément Certificate Product,  Cemsix, corrugated, fibre-reinforced cement roof and wall cladding sheets available in plain or acrylic finishes
BBA Certification