Widocryl-PM/-Detail

Approved for use on

Balconies, Terraces & Walkways Flat Roofs 

For use as a liquid-applied roof waterproofing layer on balconies, terraces and covered walkways for pedestrian access, including zero-pitch applications.

Substrate

Concrete Insulation Boards Metal PUR or PIR Insulation Timber 

The system is suitable for use on the following substrates:

• concrete
• reinforced bitumen membranes (including mineral-surfaced)
• metal
• timber
• PUR or PIR insulation boards.

Durability

25 Years 

Results of accelerated weathering tests confirm that a satisfactory retention of properties is achieved. All available evidence indicates that the system should achieve an initial life expectancy of at least 25 years.

Installation Requirements

The system should only be installed by contractors who have been trained and approved by the Certificate holder.

Puncture Resistance

P1 - non accessible

Least compressible (eg concrete)

P4 - roof gardens, inverted roofs and green roofs)

Most Compressible Substrate (eg insulation)

Fire Safety

When tested to DD CEN/TS 1187 : 2012, Test 4, and classified to EN 13501-5 : 2016, the construction given in Table 1 of the BBA Certificate achieved BROOF(t4) for slopes below 10°.

Test data for the construction given in Table 2 of the BBA Certificate, when classified to EN 13501-5 : 2016, achieved BROOF(t4) for slopes below 10°.

On the basis of data assessed, the construction listed in Table 1 of the BBA Certificate will be unrestricted by the documents supporting the national Building Regulations with respect to proximity to a relevant boundary.

A roof incorporating the system will be similarly unrestricted under the national Building Regulations with respect to proximity to a relevant boundary when protected by an inorganic covering (eg gravel or paving slabs) listed in the Annex of Commission Decision 2000/553/EC.

The classification and permissible areas of use of other specifications must be confirmed by reference to the requirements of the documents supporting the national Building Regulations.