Ductmate 35 is available as either Ductmate 35-3 with a joint rating of J3 or Ductmate 35-4 which has a joint rating of J4. This system is suitable for use with ducts up to 2000mm.

The key benefits include:

	1.	Corner design ensuring correct insertion into section.
	2.	No further fixing required to hold corner into section (ie punching).
	3.	Corner design allowing sealant to be positioned where it can be most effective in reducing cause of possible air leakage.
	4.	The preferred material to be used in corner applications and between flange joint is 440 Butyl Gasket Tape. This material does not require curing time prior to testing and is not prone to cracking in adverse conditions. For specification see 440 Butyl Gasket Tape. For application see Installation.
	5.	A nominal adjustment of 2mm on site to align bolt holes is available without exerting pressure on construction of ductwork.

If you have any further queries regarding this product please contact Ductmate