VF20VerroFlange
Verro 120L Flange Section 5M
All rectangular ductwork cross joints shall be the VerroFlange slide on flange type complete with integral permanently flexible
non-toxic sealant, consisting of a Galvanised MS Profile and EZP Corner Pieces. The appropriate size of flange shall be fitted
to the ductwork as covered by the construction tables 2 to 4 of specification DW144. Shall be independently tested to the
procedures of BSRIA in accordance with HVCA specification DW/TM1 and as manufactured by Doby Verrolec. The flanges shall
be fitted to the ductwork and assembled on site where appropriate with the correct gasket, all to the manufacturers instructions.
| Characteristic | Value |
|---|---|
| Size | 20 |
| Length/ angle | 3000 - 5000 |


