Exterior Light Mounting Block

Reply

  #1  
Old 10-06-15, 05:00 PM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
Exterior Light Mounting Block

I have to replace the pine light mounting blocks beside the front door of my house. The siding is clapboard and the mounting blocks were used to provide vertical mounting surfaces for the wall lights. I would like to make the mounting blocks out of Azek (PVC) as the pine deteriorated. The tabs of the current metal boxes are screwed to the exterior face of the mounting blocks. This type of attachment is not recommended for the Azek. Should I screw the electrical boxes to the plywood sheathing and use mud rings to extend the box to the surface of the PVC mounting block? Other ideas or products?
 
  #2  
Old 10-06-15, 05:03 PM
P
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,982
Received 0 Votes on 0 Posts
Pine doesn't belong outside & most plywood doesn't either. Can you post some pics?
 
  #3  
Old 10-06-15, 05:18 PM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
Hope this attaches. Check it out. Lots of pine exterior trim used here in Northeast.
 
Attached Images  
  #4  
Old 10-06-15, 05:45 PM
P
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,982
Received 0 Votes on 0 Posts
This type of attachment is not recommended for the Azek.
Who said that & what is the reasoning behind it? I don't see why it would be a problem.
 
  #5  
Old 10-06-15, 05:47 PM
pcboss's Avatar
Forum Topic Moderator
Join Date: Jul 2002
Location: Maryland
Posts: 15,218
Received 103 Votes on 89 Posts
You should have several choices from this:

http://www.aifittings.com/catalog/si...unting-blocks/
 
  #6  
Old 10-06-15, 05:54 PM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
The electrical box tabs would have to be screwed to the Azek. Azek's screw holding strength is not very high.
 
  #7  
Old 10-06-15, 05:57 PM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
Thank you. Looks like they have several options.
 
  #8  
Old 10-06-15, 06:16 PM
P
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,982
Received 0 Votes on 0 Posts
Azek's screw holding strength is not very high.
Even with anchors?
_______________
 
  #9  
Old 10-06-15, 06:40 PM
pcboss's Avatar
Forum Topic Moderator
Join Date: Jul 2002
Location: Maryland
Posts: 15,218
Received 103 Votes on 89 Posts
The fixture weight should not be an issue for the Azek and the screws.
 
  #10  
Old 10-06-15, 07:03 PM
PJmax's Avatar
Group Moderator
Join Date: Oct 2012
Location: Northern NJ - USA
Posts: 60,770
Received 1,321 Votes on 1,221 Posts
Azek's screw holding strength is not very high.
Don't worry about that. Azek is very dense and you would have hard time stripping a screw in it.

I've use Azek a lot for box surround before Arlington came out with their line of mounting blocks.
 
  #11  
Old 10-06-15, 07:21 PM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
Based on your experiences and responses to the Azek I will use it. I was playing my own devil's advocate. I really want to use it. Thank You!!!!
 
  #12  
Old 10-06-15, 07:37 PM
F
Member
Join Date: Mar 2006
Location: Wet side of Washington state.
Posts: 18,495
Received 36 Votes on 28 Posts
Be sure to use the proper size pilot drill for the screws you intend on using. I would use sheet-metal screws or even consider tapping machine screw threads.
 
  #13  
Old 10-09-15, 05:11 AM
J
Member
Thread Starter
Join Date: Sep 2014
Location: USA
Posts: 486
Received 0 Votes on 0 Posts
I used the Azek. I used sheet metal screws long enough to screw into the Azek and sheathing. Thank You folks for your help and suggestions.
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: