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Old 04-16-2014, 03:19 PM   #16
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Please advise - step flashing installation


Thank you so much for your help! They are using GreenGuard wrap. I have attached some more pics. Is it against code to install window flashing or step flashing against the WRB manufacturer installation instructions? If so do you know the code number? Thank you again.
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Please advise - step flashing installation-img_3347.jpg  

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Old 04-16-2014, 03:20 PM   #17
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Please advise - step flashing installation


Here is another example of step flashing they installed.
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Old 04-16-2014, 03:48 PM   #18
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Please advise - step flashing installation


To restate my question in a less confusing way: Are there any building codes that state the the WRB manufacturer's installation instructions should be followed when installing window and/or roof flashing?
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Old 04-16-2014, 04:34 PM   #19
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Please advise - step flashing installation


Quote:
Originally Posted by vaczyz View Post
To restate my question in a less confusing way: Are there any building codes that state the the WRB manufacturer's installation instructions should be followed when installing window and/or roof flashing?
Code #?? No clue. Doing it their way is so wrong and against all teachings by All professional roofing groups and it's listed above by others, I never knew it needed a #. It's in the instructions on all shingle wrappers, etc.

Maybe somebody else knows a #. I honestly don't.
I know its's covered under the catchall phrase 'Good Roofing Practice'.
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Old 04-17-2014, 01:56 PM   #20
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Please advise - step flashing installation


Gary, you mentioned that in SC we are under the IRC and not the IBC. Does that mean that the IRC codes do not apply in SC? Our inspector has been using the IRC. Do you have a link to the IBC? Thanks!
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Old 04-17-2014, 02:14 PM   #21
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Please advise - step flashing installation


Sorry, my mind is not working today...you said that in SC we are under the IBC not the IRC. So does that mean that the IRC codes do not apply in SC? Our inspector has been using the IRC.
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Old 04-17-2014, 08:09 PM   #22
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Please advise - step flashing installation


Also, our front door has no flashing at the top or the sides. There is a porch roof over the door, so should flashing still be present even though the front door is under a small porch roof?
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Old 04-17-2014, 08:23 PM   #23
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Please advise - step flashing installation


Under a roof the flashing is less important, but something should still be there.
I don't like the skirt flashing(you other example of 'step' flashing) being buried under a row of shingles, but it might be common where you live. It looks too short to me, though.
If its going to be covered it needs to extend almost all the way below the covered shingle, to ensure the water doesn't get in at the shingle joints. It needs to pass the headlap of the previous course.
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Old 04-17-2014, 10:28 PM   #24
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Please advise - step flashing installation


Sorry, I try to get on here a couple times a week.... Ask your city/county building inspector if building codes for WRB are superseded by manufacturer's directions, I know they are in certain materials; roofing, drywall, siding, ect.

IF so, from the Green Guard site for install their product (to meet warranty), look at window WRB cut-out also as yours are different (you are also missing a very important kick-out flashing; http://www.trustgreenguard.com/Produ...stallGuide.pdf

They also mentioned WRB OVER step flash- twice- earlier in;
4.E. Installation of Building Wrap (Roof/Roof and Roof/
Wall Intersections)
GreenGuard Building Wrap should overlap the step flashing at the
roof to wall intersection (see Figure 7).

And in;
7. Installation (Kickout Flashing)
Install kickout flashing at roof to wall intersection. Be sure to lap
building wrap over step flashing and kickout flashing. A section
of GreenGuard flashing behind the edge of the fascia board is
recommended.

Only if you can prove the sticky tape is not acceptable by GG can you win; a phone call to their 800 # is in order, don't explain why off the bat, hear the reasons why after some questioning by you. Yes, you are only under the UBC, which is more vague on the HW issue.... as I linked earlier.

Gary
PS. keep us posted, I'm slow to return posts but still very interested.
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Last edited by Gary in WA; 04-17-2014 at 10:33 PM.
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Old 04-17-2014, 10:39 PM   #25
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Please advise - step flashing installation


PS. You may (depends on the phone conversation) lose the 10 year limited warranty because of improper installation... http://www.trustgreenguard.com/Produ...rap_10Year.pdf

Gary
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Old 04-21-2014, 09:01 PM   #26
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Please advise - step flashing installation


So far the builder is refusing to fix these. I'm talking to a division manager tomorrow. We'll see. I called GreenGuard and they said that it not following their installation instructions would void their warranty. I'll be talking to one of their guys about this in more detail hopefully tomorrow.
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Old 04-21-2014, 09:09 PM   #27
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Please advise - step flashing installation


So I noticed something else today. Take a look at these pics and let me know if there is just a little too much mortar behind these bricks to effectively channel any water that gets behind there down thru the weep holes. This is our front brick veneer, the pics were taken at the bottom where the flashing was installed.
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Old 04-22-2014, 02:04 AM   #28
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Please advise - step flashing installation


Flashing details are all wrong. At least in every single province that I have worked in. While I can not comment on the housewrap details, the step flashing is nailed on top of the course of the shingle and is covered by the shingle of the next course. The nails securing the step flashing are slightly above the nail line so that they never see water. What you mentioned as "step flashing" in your last post is called "wall flashing" here. And it is done absolutely wrong, at least by CRCA specifications. It should be on top of the last course of shingles, minimum 4 inches onto the roof deck and 4 inches up the wall. It should have S-Locks with a bead of silicone at each S-Lock. It should also be secured with roofing nails and a dab of silicone sealant on them or preferably (my preference) structural screws with neoprene washers.
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Old 04-22-2014, 06:22 AM   #29
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Please advise - step flashing installation


+1

That isn't correct. Should have been some through wall flashing there ideally.
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Old 04-22-2014, 06:05 PM   #30
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Please advise - step flashing installation


The 1" min. air space should be free of mortar droppings to properly drain/ventilate it effectively. The WRB should be in front of/extend down-over the concrete wall to drain; as is any water/solar driven moisture can gain access through/under the bottom (p.t. sill) plate not housewrap covered as pictured. I also do not see your sill sealer- to stop any water draining down before exiting the weep holes- especially if mortar is plugging/restricting exit path, Check for top ventilation holes at the top of brick veneer between the top angled horizontal bricks/upright vertical ones. It could otherwise be only a vented air space, not ventilated (no exit weep holes in top mortar joints for wet/humid air escape outlet); http://www.buildingscience.com/docum...rainage-planes Hopefully they left-off the sill sealer only on the garage walls... as pictured.

http://www.buildingscience.com/docum...mance-modeling

Masonry veneer; http://www.wbdg.org/design/env_wall_masonry.php

Gary

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