+1
I've always worried about a burr or a sharp corner on the angle iron
cutting a roof membrane. I would never install without a rubber
mat.....but I've seen it done by other people.
On 1/11/2016 1:48 PM, Bill Prince wrote:
Pretty much always use the rubber mats. Small protrusions (like the
round head of a carriage bolt) is not normally an issue. Weld beads
are OK too.
bp
<part15sbs{at}gmail{dot}com>
On 1/11/2016 10:37 AM, Chuck McCown wrote:
If the mount has the head of a carriage bolt coming though on the
bottom, will this be a problem?� Now smooth does the bottom want to
be?� Are weld beads OK.
�
Do you always use rubber mats under them?
