VERRO 141L Flanged Section 5M

All rectangular ductwork cross joints shall be the VerroFlange slide on flange type complete with integral permanently flexiblenon-toxic sealant, consisting of a Galvanised MS Profile and EZP Corner Pieces. The appropriate size of flange shall be fittedto the ductwork as covered by the construction tables 2 to 4 of specification DW144. Shall be independently tested to theprocedures of BSRIA in accordance with HVCA specification DW/TM1 and as manufactured by Doby Verrolec. The flanges shallbe fitted to the ductwork and assembled on site where appropriate with the correct gasket, all to the manufacturers instructions.

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