[RE-wrenches] Metal roof/self taping screws

[August Goers]

This topic surfaces from time to time on Wrenches. We've had good luck with
S-5! CorruBrackets, which use self tappers into the sheet metal. I see that
S-5! has a few newer similar products as well:

https://s-5.com/products/clamps-brackets/

As mentioned on previous posts, the pullout for self tappers is
surprisingly high. You need to verify how the metal roof is fastened to the
support structure, so it is not the weak link.

August


On Sat, Oct 17, 2020 at 4:31 PM William Miller <william at millersolar.com>
wrote:

> Jay:
>
>
>
> Look again.  There are fasteners for metal purlins.  One is the JT3-SB-8.0
> with FZD sealing washer and the other is the JT3-SB-8.0 with storm washer.
>
>
>
>
>
>
>
> William
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com
>
> CA Lic. 773985
>
>
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
> Behalf Of *Jay
> *Sent:* Saturday, October 17, 2020 2:23 PM
> *To:* RE-wrenches
> *Subject:* Re: [RE-wrenches] Metal roof/self taping screws
>
>
>
> Hi Jerry
>
>
>
> I thought about it.
>
> But they are $5 each
>
> Not rated for L feet
>
> Have 4 holes vs 1 hole
>
> There is no underlayment as it’s a barn
>
>
>
> Using polybutylene tape and or caulk, it’s a pretty solid way to keep
> water out and with the self tapping bolts is more secure to me ( thanks
> Allan).
>
>
>
> The parts that William suggested are designed for metal roof over wood
> substructure, not applicable in this case.
>
>
>
> I’ll just look for the right self driving lag bolt
>
>
>
> Jay
>
>
>
>
>
>
>
>
>
> On Oct 17, 2020, at 1:53 PM, Jerry Shafer <jerrysgarage01 at gmail.com>
> wrote:
>
> 
>
> Why puncture the metal can't S-5 be used.
>
> Jerry
>
>
>
> On Sat, Oct 17, 2020, 12:42 PM Jay <jay.peltz at gmail.com> wrote:
>
> What do people recommend for a metal roof ( with flat sections, not
> corrugated)on 3/16” thick x 2” wide C channel for attaching L feet
>
> Self taping fasteners would be the easiest. Doing a nut and bolt would be
> possible but quite time consuming.
> A machine self taping bolt and then adding a nut would be a lot easier
> than nut and bolt.
>
> But that is my question. Is a self taping screw enough or does it need to
> be bolted?
>
> Jay
> Peltz power
>
>
>
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