Effisus ProFlex FR 

200% Elongation. Class B Reaction-to-Fire Classification. Seamless Installation.

Façade interfaces between construction elements, such as around windows and doors, are common hotspots for water and air leakage.

Effisus ProFlex FR combines an outstanding 200% elongation capacity with a certified Class B reaction-to-fire classification, making it the ideal replacement for traditional, highly flammable EPDM interface membranes.

Ventilated facade systems

Renovation and retrofit projects

Masonry and blockwork interfaces

Curtain walls and glass facades

Complex geometries requiring high elongation

Façade interfaces between construction elements, such as around windows and doors, are hotspots for water and air leakage during the project lifecycle. 

Adequate weatherproofing interface solutions mitigate water leakage, mould build-up and impaired airtightness and energy efficiency. Once in operation, repair work and retrofitting are cumbersome, very expensive and time-consuming. 

Apart from airtightness and watertightness as baselines, a proper solution for interfaces must be able to cope with differential displacements, thus must have outstanding flexibility capacity. Interface gaps will daily and often change their width since window frames and façade structure expand at different rates and wind forces can induce substantial movements. Breather or AVCL façade membranes are not recommended as these don’t meet the application requirements. Moreover, with the rising concerns and code requirements to control fire spread in building façade, traditional flammable EPDM solutions like Effisus Ecofacade are being replaced by alternatives. 

Effisus ProFlex FR extraordinarily combines a 200% gap elongation capacity with a B class fire rating, without compromising on water and air tightness. With no restrictions for use in High-Risk Buildings (HRB) and validated by a BBA certification, as well as, DCD and ADCD certifications, it is the new market reference to seal façade interfaces where EPDM solutions are increasingly out of scope. 

Effisus ProFlex FR is complemented by a full range of dedicated accessories for fixing the membrane in place, addressing overlaps, sealing the perimeter and lastly sealing punctual perforations. On demand, the adhesive tapes may be pre-assembled for an outstanding reliable and easy-to-install system that saves time on site while guaranteeing long-term performance. 

For projects with less stringent fire-classification requirements, Effisus Ecofacade remains a proven and differentiated EPDM solution that can be customised and prefabricated to multiple levels to enhance installation, productivity and end quality. 

PropertyStandardValue
ThicknessBS EN 1849-21,00mm
Length–20m
Width–Bespoke (mm)
Reaction to FireEN 13501-1Class B-s3,d0
Resistance to water passage (24h)BS EN 1928 Method AW1 pass
Water vapour properties (Sd)BS EN 193156 ± 5m
Tensile strength MD/CD (N/50mm)EN 12311-11160 / 630
Tearing resistance MD/CD (N)EN 12310-1>315 / >363
Elongation MD/CDBS EN 12311-179% / 203%
Airtightness (m3/(h x m2 x 50Pa))EN 121140
Reaction to Fire (full system testing)EN 13501-1Class B-s3,d0
After ageing: Tensile strength MD/CD (N/50mm)BS EN 12311-11165 / 606
After ageing: Elongation MD/CDBS EN 12311-174 % / 189 %
After ageing: Resistance to water passageBS EN 1928 BW1, pass
Applus
Fire Safety Certification Fire Performance
BBA Approval Inspection Testing Certification
DCD Approval
Environmental Product Declaration
LEED & BREEAM Attestation
ESL-logo
Certificate of Compliance
Technical Data Sheet
Installation Manual
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