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How do You secure components to the floor


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ohlarikd 
Copper - Posts: 56
Copper spacespace
Joined: January 04, 2006
Location: United States
Posted: March 02, 2006 at 2:28 PM / IP Logged  
This is an easy question. I normally mount amps and such to wood panels and enclosures. However, in my case today, I need to screw two amps directly to the metal floor of my truck. I never like to do this because in my head, I think those screws and holes are going to eventually rust.
So how do you securely mount components to the metal floor? If you do use sheet metal screws, do you treat the area with something like silicone, or use specially coated screws? What is your technique? Or am I overly paranoid?
Thanks!
Derek
Fastlearner 
Silver - Posts: 346
Silver spacespace
Joined: March 23, 2005
Location: United States
Posted: March 02, 2006 at 3:08 PM / IP Logged  
I wouldn't do that because can't you get feedback doing that. Why can't you use a board.
ohlarikd 
Copper - Posts: 56
Copper spacespace
Joined: January 04, 2006
Location: United States
Posted: March 02, 2006 at 3:11 PM / IP Logged  
I assume you mean a grounding issue and ground loops?
The amps are going under a rear seat, and there is barely enough room height wise. I wanted to maximize air circulation, so directly to the floor would give me that....
Derek
tex12gage 
Copper - Posts: 83
Copper spacespace
Joined: September 28, 2005
Location: United States
Posted: March 02, 2006 at 4:37 PM / IP Logged  

You should mount the amp to something nonconductive, the metal floor won't work.

tex
electrostatic 
Copper - Posts: 154
Copper spacespace
Joined: January 06, 2006
Location: United States
Posted: March 02, 2006 at 4:57 PM / IP Logged  
i've never done this with an amp but whenever i need electrical isolation and height is limited i'll use a plexi-glass (acrylic sheet) spacer. perhaps this would work.
ringojam 
Copper - Posts: 215
Copper spacespace
Joined: June 10, 2003
Location: Manitoba, Jamaica
Posted: March 02, 2006 at 6:39 PM / IP Logged  
I use mdf cover it with carpet screw it to the floor and then screw the aps to it .Then go under the car cut off the excess screw then silicone it for water protection.
Jamaica home of the worlds fastest man.
psychographic 
Member - Posts: 21
Member spacespace
Joined: February 04, 2006
Location: United States
Posted: March 02, 2006 at 7:59 PM / IP Logged  
Why not just insulate the screws with small grommets?
ohlarikd 
Copper - Posts: 56
Copper spacespace
Joined: January 04, 2006
Location: United States
Posted: March 02, 2006 at 9:23 PM / IP Logged  
Ok - so far the consensus seems to NOT screw it directly to the metal floor. Use a board or plexi. I figure I will need some super short screws though. Or, I can put bolts coming up through the board so it lies flat, then bolt the amp to the studs. Then screw down the board to the metal floor I suppose.
But the no-metal-to-metal contact thing is a good tip. Thanks.
Derek

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