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Sagamore Hills, Ohio
Posts: 3113
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Clearwater, Florida
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Window Flashing Question.
[#2] Posted: 02/27/2006 - 10:47:01 AM |  |  |
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Hi to all,
Terry, IMHO that installation will allow moisture intrusion due to lack of flashings and inadequate sealing between the stucco anf the window frames.
I would recommend researching the window manufacturers installation specifications.
Regards
Gerry
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Gerry Beaumont
www.nachi.org
education@nachi.org
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Sagamore Hills, Ohio
Posts: 3113
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Window Flashing Question.
[#3] Posted: 02/27/2006 - 10:55:18 AM | | |
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Sorry, should mention that it is wood siding.
I'm trying to find the local Pella rep for this job now.
Thanks Gerry.
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Terry
http://www.hlis.net
This space for let - please inquire within.
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Rochester, New York
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Window Flashing Question.
[#4] Posted: 02/27/2006 - 11:03:32 AM | | |
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It's already wet.
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Chad Fabry
StructureSmart Home Inspection Rochester, NY
www.structuresmart.com
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Conroe, Texas
Posts: 750
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 Window Flashing Question.
[#5] Posted: 02/27/2006 - 2:04:45 PM | | |
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Terence,
Who's wood siding is that? Find out then dig up the installation instructions. I bet there's a diagram somewhere about head flashing and jamb flashing.
Like others have said, 'It aint right'.
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Donald Lawson
www.best2inspect.com
Houston Texas
What they truly don't understand is the principle so eloquently stated by Abraham Lincoln: "You cannot strengthen the weak by weakening the strong. You cannot help the wage-earner by pulling down the wage-payer. You cannot help the poor by destroying the rich. You cannot help men permanently by doing for them what they could and should do for themselves." |
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Fishers, IN
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Window Flashing Question.
[#6] Posted: 02/27/2006 - 4:29:45 PM | | |
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What techniques are there to determine the manufacturer of siding when the situation necessitate that you dig into manufacturer installation recomendations?
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| Mark Reagin |
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Lexington, KY
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Window Flashing Question.
[#7] Posted: 02/27/2006 - 4:34:43 PM | | |
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I see this all the time, and have even taken the battle to local code enforcement. They buy into the builder's pitch that the windows are "self flashing," due to the nailing fins. I don't know about other areas, but around here, I can't imagine any builder admitting a mistake was made and then removing and reinstalling the finish materials to flash the windows.
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Sagamore Hills, Ohio
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Kenmore, WA
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Window Flashing Question.
[#9] Posted: 02/28/2006 - 11:06:01 AM | | |
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The few different brands of windows I've ever installed do not specify metal head flashing. They simply specify ice-shield and/or wrapping the sills and jambs much like Pella describedyou've described from Pella.
Here is the Standard Practice for Installation of Windows With a Mounting Flange. http://www.milgard.com/_doc/pr...0-02.pdf
Those instructions are posted on the Milgard website - it is how they specify their windows to be installed. Don't know about other parts of the country but Milgard is probably one of the most popular and higher quality window mfg. on the west coast.
They do not specify metal head flashing. They use the term 'head flashing' to describe the ice-shield or building paper wrap under the siding. See Page 2 - Note 1 - they say it is not the responsibility of the window mfg. to design or recommend an appropriate flashing system.
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Randy Navarro
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Kenmore, WA
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Window Flashing Question.
[#10] Posted: 02/28/2006 - 11:12:48 AM | | |
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Yep, just checked the Pella site. Their instruction do not specify metal head flashing either.
This trendy new thing called the internet is quite a resource.
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Randy Navarro
http://www.thecompleteinspection.com |
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Kenmore, WA
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Window Flashing Question.
[#11] Posted: 02/28/2006 - 12:00:50 PM | | |
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Hi Terry,
You say it's "wood" siding. Wood as in plywood attached over a layer of wood sheathing or wood siding attached directly to the studs with a layer of building paper behind it?
OT - OF!!!
M.
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State: PA & NJ
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Window Flashing Question.
[#12] Posted: 02/28/2006 - 12:27:59 PM | | |
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I installed some Pella clad casement windows on our addition last year. I just dug out the installation instructions.
Their flashing instructions are called "Integrating the window to the water resistive barrier". In other words, installing flashing tape. The final instruction is "Sealing the window to the exterior wall cladding". For wood siding and trim, they specify a 3/8" gap, backer rod and sealant.
Maybe I should have read the instructions before installing them. I need to go out now and tear off the head flashing.
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| Bill Kibbel, Historic & Commercial Building Inspections - Old House Resources |
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Kenmore, WA
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Window Flashing Question.
[#13] Posted: 02/28/2006 - 1:02:58 PM | | |
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Hi,
I rarely see head flashings in new construction here anymore, unless it is on high-end homes or where there is a pretty savvy builder involved. When I do see it on other-than-high-end homes, they usually install the head flashings over any windows on the street-exposed side of the house or on the south and west (weather) sides.
The standard here is to slap some Moistop or a similar material across the bottom of the rough opening, nail the flanged window home, add a couple vertical pieces at the side and then overlap the top flange with the building paper without installing any of the self-adhering stuff across the top of the window. Then they side the house and caulk the hell out of the perimeter. For the most part, it works most of the time but when it goes bad it goes really bad.
I write up the lack of head flashings on 99.999% of the houses I do. I know there's not a whole lot one can do about it - especially if it's a 35 or 30 year old house with aluminum windows that have never leaked - I just want customers to understand that they were, and still are, the standard when it comes to a quality install, and that for many decades windows were installed without any self-adhesive material using ordinary felt splines and head flashings and those walls remained dry, as opposed to thousands of installs today that leak.
Then I point out that upper end and intelligent builders are still incorporating them into their installs here, but that manufacturers, for the most part, aren't requiring them anymore, and that they (the customer) will need to ensure that they have every weather-exposed window carefully inspected and the caulking touched up annually.
Like the lack of drip edge flashing that I write up on most homes, most folks pooh, pooh it. No skin off my a**, if they leak later on I certainly won't be the one that didn't warn them about the potential Achilles heel hiding behind their siding.
ONE TEAM - ONE FIGHT!!!
Mike
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Sagamore Hills, Ohio
Posts: 3113
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Kenmore, WA
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Window Flashing Question.
[#15] Posted: 02/28/2006 - 2:32:02 PM | | |
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Alllllrighty then!
Take a look at page 41 at this link for clapboard and shingle siding (Notice the splining behind the drip cap and head flashings? (Hmmmmmm?)
http://www.awc.org/pdf/WCD1-300.pdf
Then look at the details for plywood siding at this link:
http://www.apawood.org/pdfs/do...A530.pdf (If you haven't already, you need to register here.)
ONE TEAM - ONE FIGHT!!!
Mike
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Cartersville, GA
Posts: 255
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Window Flashing Question.
[#16] Posted: 07/12/2007 - 11:54:07 AM | | |
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I'm gonna dredge this up from the distant past....
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All the windows at the plywood sided portion of the rear of this home are unflashed (see top photo) while all the rest of the windows installed where there is lap siding have observable head flashing.
The windows installed over plywood have only a small bead of caulk and a coat of paint to prevent water intrusion.
I'm gonna get a battle from Pulte on this one, because every home in the subd. is built this way.
So -- Do they need to flash these windows? Is caulk enough?
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| It's so much easier to pray for a bore than to go and see one. --- C. S. Lewis |
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kansas city, kansas
Posts: 60
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Window Flashing Question.
[#17] Posted: 08/17/2007 - 09:27:02 AM | | |
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Look at page # 5
If they are not installed to the mfgrs. specs when they leak the homeowners insurance will not pay to fix things.
http://www.pella.com/lowes_the...f#search
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