[RE-wrenches] Attachment Identification

[Ryan Harkins]

Definitely SnapNRack blocks.  We usually order a site-specific thickness of EPDM rubber sheet, and make our own square rubber washers to compress between the roof sheets and the snapnrack blocks in these cases.



Ryan Harkins
Synergy Renewable Systems, LLC
PO Box 58
Stoughton, WI 53589
PH: (608) 712-7862



> On Apr 4, 2025, at 12:07 PM, jay via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
> 
> whta makes that particular install bad is that it looks like the lag isn’t the correct length.  
> It should have a shank and not threads going through the roof metal, not threads. It still needs caulk.
> 
> Not the best design.
> 
> jay
> 
>> On Apr 4, 2025, at 11:02 AM, William Miller via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>> 
>> Adam:
>>  
>> It’s a Snap-n-rack Corrugated Straddle Block 232-02421.
>>  
>> I don’t recommend them.  They don’t fit all profiles and it’s tough to get just the right amount of sealant under the block.  And I don’t like to rely on caulk.  No caulk is even worse, as you have discovered.
>>  
>> William
>>  
>> Miller Solar
>> 17395 Oak Road, Atascadero, CA 93422
>> 805-438-5600
>> www.millersolar.com <http://www.millersolar.com/>
>> CA Lic. 773985
>>  
>>  
>> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org <mailto:re-wrenches-bounces at lists.re-wrenches.org>] On Behalf Of AE Solar via RE-wrenches
>> Sent: Friday, April 4, 2025 9:54 AM
>> To: RE-wrenches
>> Cc: AE Solar
>> Subject: [RE-wrenches] Attachment Identification
>>  
>> 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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