[RE-wrenches] Attachment Identification

[Howie Michaelson]

I would say in snow and ice country, it wouldn't be difficult for water to
find it's way under the metal membrane with no caulk or butyl in those
penetrations.
Howie Michaelson
Sun Catcher

On Fri, Apr 4, 2025, 1:06 PM Kirpal Khalsa via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> That is a SnapnRack straddle block.  It looks installed correctly.
> We would normally out some sealant where it goes thru the roof as well but
> it would be hard for water to flow up hill to the top of the corrugation
> and leak much.
> We haven't done many roofs with these but haven't had any troubles with
> any of them either.
> This type of roof is notorious for the standard roofing screws or nails
> backing themselves out due to freeze/thaw cycles over time.
> My first suspicion would be with the roofing screws which are normally
> installed in the valley of the corrugation where the water typically is.
> Kirpal
>
> On Fri, Apr 4, 2025, 9:55 AM AE Solar via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Wrenchers,
>> I have a client whose prior system (not installed by us) is leaking. The
>> roofer and solar contractor are pointing fingers at each other. They asked
>> for my opinion and sent a picture of the attachments. Anyone know what this
>> is (see attached)? They said the lag goes right through the attachment into
>> wood purlins. No sealant. It's on the top of the corrugated ridge. I was
>> trying to figure out if it's an improper use of the equipment or just a bad
>> design...
>> Thanks for any thoughts.
>> Adam
>>
>> Adam Katzman (he/him)
>> Autonomous Energies | Owner/Operator
>> www.AutonomousEnergies.com <http://www.autonomousenergies.com>
>> (518) 567-1468
>>
>>
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