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After much research i decided to soundproof my T5 dual cab. I was only going to do this once so i wanted it perfect.
So my research told me i needed a layer of anti vibration (dynamat or similar) and a sound deadening layer.
I chose to use flashing tape that is used for roofing repairs. This is the same as dynamat and about 1/3 the cost. Buy it at bunnings for $33 for 75mm wide strip 10m long. You only need to cover approx 1/3 of the panel to get good results. I used 4 rolls for the whole van. I put it on every panel including innner and outer panels of the front door. You can get acess through the speaker hole.
The sound deadening i used was from www.silentsystems.com.au it is called "quietwave SQ29." I put it on every panel also.
The front doors i just glued at the top and let it hang down, cutting holes for speaker and wipers, then put panel back on.
Behind the dash i just tried to cut to best shape the slide it up.
The final stage was the top panel of the engine bay, again just cut to best shape and guide ove brake lines etc and just glued on front edge.
The results.
I started from the rear and had to drive in between stages. Every stage was significantly better. The noise was getting narrow and narrower to the front.
Then when i did the final engine bay panel. i started it and thought that it didnt make much difference, taht is until i drove it. No longer does the noise come up and through the windscreen rather i think it gets pushed down below.
It is now absolutely awsome. i never change the volume on the radio anymore and everything is muted.
Overall it cost just over $500 and about a days labour.
Could not be happier.
So my research told me i needed a layer of anti vibration (dynamat or similar) and a sound deadening layer.
I chose to use flashing tape that is used for roofing repairs. This is the same as dynamat and about 1/3 the cost. Buy it at bunnings for $33 for 75mm wide strip 10m long. You only need to cover approx 1/3 of the panel to get good results. I used 4 rolls for the whole van. I put it on every panel including innner and outer panels of the front door. You can get acess through the speaker hole.
The sound deadening i used was from www.silentsystems.com.au it is called "quietwave SQ29." I put it on every panel also.
The front doors i just glued at the top and let it hang down, cutting holes for speaker and wipers, then put panel back on.
Behind the dash i just tried to cut to best shape the slide it up.
The final stage was the top panel of the engine bay, again just cut to best shape and guide ove brake lines etc and just glued on front edge.
The results.
I started from the rear and had to drive in between stages. Every stage was significantly better. The noise was getting narrow and narrower to the front.
Then when i did the final engine bay panel. i started it and thought that it didnt make much difference, taht is until i drove it. No longer does the noise come up and through the windscreen rather i think it gets pushed down below.
It is now absolutely awsome. i never change the volume on the radio anymore and everything is muted.
Overall it cost just over $500 and about a days labour.
Could not be happier.
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