How to Properly Flash a Window

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4 жыл бұрын

Last summer we hired a new crew member. When it came time to hang windows, I clamped a GoPro to the fascia and recorded the installation. This can be used as a reference for new crew members, but it can also be used to show potential clients our methods.
We have used Huber Engineered Wood Zip System for 11 years and now. One major reason we like this system is the simplicity of flashing openings and penetrations. Managing bulk water is very important for the longevity of the structure, but it also lowers our risk. Thanks to ZIP System for sponsoring this video.
Check out my blog for the rest of the installation. www.awesomeframers.com/blog/h...
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Пікірлер: 119

@billglaser 2 жыл бұрын

From a glazier to a framer, we’ll done! Exactly how I do flashing and install.

@janonymous-uj2vx Жыл бұрын

Corner tape should be installed prior to flashing the sill

@jamesdean1598 3 жыл бұрын

Thanks I have seen so many not do this step.

@johnwhite2576 Жыл бұрын

I like that awesome is looking creatively at balancing costs time quality and endurance. I think many windows we see on utube are over flashed- of course if you are spending 1,000mplus on some houses/sites (you know who I’m talking about) spending $60 on materials let insuppose makes sense .

@doneown503 Ай бұрын

always , always , always ! , thanks , that will stick with me now !😮 , excellent footage on How To

@user-es9zk2qn1j 3 ай бұрын

Can't fail with this video. I always wondered why it was so drafty near the windows. 😊

@louied5018 2 жыл бұрын

Thanks for sharing such a simple and effective way. I watched some other videos and they tape the entire opening then caulk and install window then retake with sill open. 🤷🏻‍♂️🤦‍♂️ such a waste of money for the same air and water tight results.

@davidhastings9740 2 жыл бұрын

Nice job guys! That's a proper way to install a window and I've been installing new construction and replacement windows for over 40 years! Nice tight seal!

@AwesomeFramers 2 жыл бұрын

Thanks!!

@wilkinsoncarpentry6278 4 жыл бұрын

How lucky is Shane getting taught off of you guys

@bellm60 2 жыл бұрын

How do you caulk/foam/insulate the window on the inside after you have it set like in this video?

@Mrjohndoe280 3 жыл бұрын

The corner tape should go in first, then the tape covering the sill on top if it. I understand that there is still tape going over that, but it's best practice to cover all your tape edges unless they are adhering to the wall or framing

@AwesomeFramers 2 жыл бұрын

I don't agree and if you look at other manufacturer's instructions, sill is taped, then corner pieces from there. It doesn't actually matter since its all stuck together and rolled.

@danny88591 2 жыл бұрын

You don't need to cut the tape. All you have to do is stretch it down over the corners.

@daver2964 2 жыл бұрын

Maybe stretch on bottom all the way, better integrity...But I see your point...if a penetration, it would have to get around top seal, then the stretch (very unlikely)

@johnwhite2576 Жыл бұрын

@@AwesomeFramers I must demur…it’s technically reverse shingled unless the corner goes on first…

@johnwhite2576 Жыл бұрын

Liquid flash on sill and up t inches on flange-simple easy monolithic I’m critical area to be flashed. When you compare prosocco liquid flash at proper thickness to zip tape, esp full stretch , in sill and up 4-6 inches. No that much more expensive and less than an hour to set ; no worries Re rolling tape vigorously and fully, no ripples fish mouths in tape etc.and do repeat, OF water gets in, and it will. How does it exit this Sherman? You’ve sealed off bottom flange and all four interior sides

@gpjadams2 2 жыл бұрын

Thanks for showing me that little batwing trick in the corner. I'm going to remember that one.

@noahbrewster8263 7 ай бұрын

Thank you

@johnearhart8811 4 жыл бұрын

Very nice

@AwesomeFramers 4 жыл бұрын

Thanks so much John

@bigneilh 4 ай бұрын

How is the sill sealed to the framing? You’re not taping the bottom nailfin. Are you caulking the back of the bottom nailfin when you do the others? Thanks for the info!

@avwholesomegamer 8 ай бұрын

Shane, you’re supposed to laugh at the bosses’ jokes, buddy 😅

@stephenglover4420 2 жыл бұрын

Great video! Quick question. You mentioned in one of your reply’s you seal the window along the bottom in the inside as to direct water out the front where nail flange is. What product do you seal it with? And is the the same product you used along the top and side nail flange prior to installing? Appreciate all the insight and time you guys spend on these videos! Cheers.

@nicpedia2432 2 жыл бұрын

Not them, but, I believe in acrylic or poly caulking a little more than just a painter's grade latex caulking. However if you flash the window right, and then seal around the window with the spray foam, the foam should do the same thing so long as the foam adheres to your window and the flashed sill.

@frankg882 4 жыл бұрын

Always always always!!! Great video!

@TimUhler1977 4 жыл бұрын

Thanks Frank ;-)

@ArthurDentZaphodBeeb 3 жыл бұрын

Nice, low-cost, quick-to-install flashing detail. I presume you use sealant/backer rod for interior air sealing? If so, what sealant do you use? Do you slope your sills 5 degrees or don't you find that necessary?

@TimUhler1977 3 жыл бұрын

I don't bother with the sloped sill

@daver2964 2 жыл бұрын

I disagree...5 degree is slope not a bad thing....small detail that just makes sense!

@user-fw2sz5ot8u 28 күн бұрын

Got start with the corner. Piece and them lay the bottom tape.

@renaissancebuildingcompany1156 3 ай бұрын

Do you install any kind of z flashing over the top of the window here?

@bogerdoger1 4 жыл бұрын

Thank you! What screws did you use for installing the window? Also, I saw you measure the diagonals from corner to corner, how could you change that if it were off?

@AwesomeFramers 4 жыл бұрын

Hey Vinny great questions. I buy 2" wood screws because the head has a low profile. GRK makes a great cabinet screw that works very well too. As far as adjusting the window, a prybar on the inside of house between the window unit and framing will move the window. Keep in mind that if you are 1/4" (we never are) out of square you only need to move 1/2 that, or 1/8". Typically we are at most 1/8" out of square so just a small adjustment is required.

@tonycrayford3893 6 ай бұрын

@@AwesomeFramerswhen I was installing windows I used a 7.5 x 120mm T25 masonry screw most of the time.

@lala_land86 Жыл бұрын

I really want some of this but in the uk its 400 quid, gutted because I can't find anything similar to fix a leaking summer house

@fikalaredo5762 Жыл бұрын

How often do you roll the tape ?

@SuperMadhatter2 2 ай бұрын

Do you also tape the top corners or no?

@ronnieross711 3 ай бұрын

Wow! Am I over flashing zip wall systems? this is exactrly how I flash regular typar homes, but on zip systems I was taught to flash the entire opening. Top, sides, and bottom, and bring the tape from the outside all the way flush to the inside. Tons of zip tape(which isn't cheap).

@TheRayDog 3 ай бұрын

I guess the argument is, they caulked under the fin and taped over the fin. The flashing inside the frame wouldn't prevent water intrusion from getting in. That said, I flash the framing as well. I don't want water inside the wall cavity. I'd rather have it weep on the drywall side in a worst case scenario.

@kerv15 2 жыл бұрын

Great video! Why do you put the zip tape on the inside of the window for the bottom section? Why not the outside like you did for the top and sides?

@AwesomeFramers 2 жыл бұрын

The sill gets taped as a sill pan, then window set on it, after install the legs and head of the window get taped to the wall. This allows any moisture to be able to drain. Well that's the conventional wisdom.

@Mattnoble80 6 ай бұрын

So a couple bought my grandparents home and they want to seal the windows. The house is over 100 years old and I have been helping them restore it, that will be key when we get around to that

@daver2964 2 жыл бұрын

Great Video. As a new soon to be home owner(new build). I want to know about some standards. I see you used the stretch to overlay the corners (which were cut with zip tape), to prevent water intrusion. 1)Is it better or safer to just use the stretch period instead of overlaying, as this would provide better integrity? 2)Also, I see you did not put zip tape around the perimeter of frame before you installed the window, is this minimum standard ? Is it overkill if you did or just a peace of mind thing??? 3)Also , is there a minumum overlap of tape on bottom of sill required.??

@AwesomeFramers 2 жыл бұрын

There is no inherent advantage in a single piece sill with the Stretch tape. Minimum overlaps are 1" with the Zip tapes. I say save the money and use the 6" for the sill and Stretch in the corners. When the tapes bond to each other (don't forget to roll the tape), this stuff isn't going to come apart. I don't see any advantage in putting Zip around the opening, then hanging the window, then taping again. Some people do that for air sealing, but it isn't necessary for weatherizing the window install.

@AA-zq1sx Жыл бұрын

What about aluminum flashing on top of the window?

@cmiller8006 11 ай бұрын

How would you do this if your house is wrapped, say tyvec. Same way?

@joshuasmith1215 3 жыл бұрын

I'm trying to learn how to do this so I have a couple questions if you don't mind answering them. You first put the flashing tape on the sill and up the sides, then you followed with flex tape on those bottom corners. Why not put the flex tape in those corners then put the tape over that on the sill/sides? Seems like that would be the better way to shed water if it got in and ran down the sides. My second question is why not tape all the way up the sides and the top of the opening? Wouldn't that be a good idea to prevent any air that gets behind the window from making its way into the house? I know that some people don't put sealant on the bottom flange of the window so that any water that gets in can escape (not sure if you did that here or not) but if you did and the window has a great seal to the sheathing then I guess I can see why you wouldn't need to run tape all the way up the sides and across the top.

@AwesomeFramers 3 жыл бұрын

Hey Josh, great questions. The reason I used the Stretch Tape in the bottom corners over the sill tape is because back in the day that is how the premade corners installed. I did ask around and it seems like this is a 50% prefer 1 way and the other 50% the other. I think its important to understand that these are "self-terminating" flashings and bond so well that it doesn't ultimately matter. As to taping the sheathing to the jam all the way around for air sealing, we've blower door tested hundreds of windows installed this way (when the house is finished) and they are air tight. What I didn't show in this video is the other part of the process, sealing from the backside. That is the builders job and not the framers, so I just showed this portion in this video. Never seal the bottom flange to the sill, we seal the backside of the window on the inside of the house to the sill there. This allows water to drain.

@joshuasmith1215 3 жыл бұрын

@@AwesomeFramers I appreciate the reply!

@michelleosborne1431 4 жыл бұрын

We bought a house and didn't realize that it wasn't wrapped or flashed until the floor near a window seemed wet. Is there a way to remedy this without removing tearing vinyl siding?

@AwesomeFramers 4 жыл бұрын

Hi Michelle, I'm sorry to hear about that. To properly repair the siding should be removed. Besides the leak, damaged sheathing or framing may need to b addressed as well. I had to do this to my house. Let me know if you have any other questions.

@rlolo777 3 жыл бұрын

Same! We have water coming into our house from the window! I would venture to say we got mold in that wall, too!!!

@rodeoears 4 жыл бұрын

What would you do here if you didn’t have the stretch tape available for the bottom corners?

@jeremyowings6079 4 жыл бұрын

There are a few other brands of tape. Tyvek makes one called flex wrap.

@AwesomeFramers 4 жыл бұрын

Great question Caleb. I wouldn't personally use a non acrylic tape. Here is the method recommended kzfaq.info/get/bejne/o8WdjamFmLiaeKc.html I would highly recommend using the Stretch Tape. You can buy it on Amazon.

@levihuene6481 4 жыл бұрын

What brand windows do you prefer to use?

@TimUhler1977 4 жыл бұрын

Hi Crystal, we use PlyGem

@jochimbenschneider1915 Жыл бұрын

For the corners I would first place the 6” down in each then the roll all along.

@pawkster 3 жыл бұрын

How come you cut the initial zip tape instead of just stretching that piece over the corners?

@Chrissers2010 3 жыл бұрын

The initial piece was Zip Tape, not Zip Stretch Tape. I think the idea here is to save a bit of money and using less stretch tape.

@kaptincrazy 2 жыл бұрын

fastener? what kind?

@Sith_dude 2 ай бұрын

I don't flash windows anymore. Since my neighbor complained. 😂😂😅😅

@jamesjansen4699 4 жыл бұрын

Do you caulk the bottom nail flange?

@AwesomeFramers 4 жыл бұрын

Great question. No never caulk behind the bottom flange. Water needs a way out. Instead inside we'll caulk the frame to the sill as a back dam.

@johnwhite2576 Жыл бұрын

Why don’t we use pressure treated wood for our sills??

@hhprogressiveconstruction1140 4 жыл бұрын

Wait you got Shane to smile ha ha .

@DirtyDirtbath 6 ай бұрын

No metal flashing?

@optout007 6 ай бұрын

and then the siding guy comes behind you and puts a hole straight through that

@stoweman34 9 ай бұрын

Do you caulk behind the bottom flange too?

@AwesomeFramers 9 ай бұрын

Nope, the idea is to be able to let water out. Though in reality that's not going to work

@justinstevenson2061 6 ай бұрын

I don’t know, I like to do my windows like you do a skylight. Not just pee and stick on the framing waiting for caulking to fail. Then water gets led inside (but at least the framing is protected?) leaving the insulation and interior sheathing waiting for doom. All tyvek, blueskin, zip tape, tuck tape etc etc people wrap the framing and not seal the windows….

@thomasgoad3695 2 жыл бұрын

I always wondered why not tape the bottom of the window. You calk all around. If the window is sealed ,air tite then where would potential water come from.?

@AwesomeFramers 2 жыл бұрын

good question. The thinking is that not sealing the window to the sill on the outside can allow water to drain, so we only tape the legs and head of the window after setting the window on a flashed sill. Personally I've seen windows leak (my house had no flashing) and the water goes nowhere but just sits on the sill.

@iveneverhadabadday 3 жыл бұрын

Please share the 'strechy' corner product name/manufacturer

@AwesomeFramers 3 жыл бұрын

www.huberwood.com/zip-system/stretch-tape?gclid=CjwKCAiAg8OBBhA8EiwAlKw3kjSs7dfkFO0t7IRqONBcs52TI8qySt3xmqZtvw9k5Pg1xMIIKguEghoCFfcQAvD_BwE

@danhaugen4972 2 жыл бұрын

You did not fasten the head flange, any reason why?

@AwesomeFramers 2 жыл бұрын

Excellent question Dan 👍 That's a throwback to my training way back. All our windows had a sticker that said "don't nail through top flange". I can't find anything current that shows this. I was told it was because the sawn headers, usually 6x, could shrink and pull the window. I doubt that is actually an issue now since we use LVL headers.

@danhaugen4972 2 жыл бұрын

@@AwesomeFramers I worked in Gig Harbor 6,7 years ago and the guy's I worked for didn't screw or nail either. They gave me some BS answer that made no sense! I'll go with your answer, thanks!

@WAJSSJ 2 жыл бұрын

Are you caulking the back of the bottom flange?

@generalshrooms 2 жыл бұрын

No, if water gets back there you want it to fall out, in fact, they should have put horseshoe shims behind the screws on the bottom flange.

@WAJSSJ 2 жыл бұрын

@@generalshrooms That's what I thought, but he said something about always passing energy pressure tests. Perhaps they backer rod and caulked the interior to seal.

@teraxiel Жыл бұрын

The stretch tape pieces should have been first, then the standard tape

@lourak613 3 жыл бұрын

That tape on the bottom flange bothers me. I think the bottom should be left open in a few places, to allow water to drain if it somehow gets in there. That's why sloped sills are often incorporated into modern windows.

@AwesomeFramers 3 жыл бұрын

The window sits on top of that sill flashing, this allows water to drain to the exterior. It is never a good idea to seal that flange to the wall. I think you and I agree 👍

@AnthonyAttard-ix2cb 4 ай бұрын

But did you caulk the bottom of the nailing flange?? I know you definitely caulk sides and top with continuous solid bead… also if it’s a no flange window would you caulk the bottom?? I thought it was a no caulk on bottom to allow for drainage, but so many conflicting videos by so called experts…

@jessesenteno1723 5 ай бұрын

Isn't that lower left screw a little close to the corner?. I also didn't see any screws on the head of the window?. Jumped the gun there my friend.

@AwesomeFramers 5 ай бұрын

Jumped the gun in what fashion? Lower left screw is fine, we don't fasten at the header because it allows the framing to move.

@travisk5589 2 жыл бұрын

Did I miss something? Was there any adhesive or caullking used? Edit. They did caulk. I am having windows installed right now

@AwesomeFramers 2 жыл бұрын

👍👍 Yep sealant on the back of the fins. This tape is unreal, make surely they roll it 👍

@travisk5589 2 жыл бұрын

@@AwesomeFramers I forgot to finish my previous comment. I am having windows installed now with traditional staple on flashing. This flashing is stapled to the wood 2x4's of the house, then the window is installed on top of this flashing. Doesn't seem right to me but the installers are claiming it is. I am trying to find videos of similar products. This zip system stuff looks way better than what they are doing here.

@AwesomeFramers 2 жыл бұрын

@@travisk5589 that is a common detail for the framers to staple up strips of Tyvek or tar paper or whatever the WRB is. Then the siders integrate that with the WRB when they install it. This is one of the many reasons we made the switch to Zip back in 2009

@priceless55 2 жыл бұрын

Not done correctly..... Corner should been first....

@hmtrimworks7148 Жыл бұрын

At 1:18 you damaged the integrity of the zip board by cutting your flex tape on it… Also at 2:30 do not caulk the bottom flange of the window

@TheBrianV 2 жыл бұрын

Come on Shane don't just stand there!

@clovet 13 күн бұрын

Pay attention SHANE

@asianlovebug582 2 жыл бұрын

U didn’t even tape the top inside the window

@Duckagee 2 жыл бұрын

Gussets should go on first

@dannylee5588 3 жыл бұрын

And the paper goes over the bottom flashing? That would be like starting your shingles at the top of the roof. This is not correct not even close. Unless of course at Green plywood is supposed to be waterproof?

@AwesomeFramers 3 жыл бұрын

Check www.zipsystem.com the grean coating is the WRB, no need for housewrap

@2brazy4ubitch 2 жыл бұрын

You did what do my window?

@richardthomas1566 2 жыл бұрын

Remember the Zip system counts Entirely on the tape been installed properly and in Dry weather conditions , clean Sheathing . I put the odds on that happening at about 20% in todays market. Stick with your Tyveck if you want a good vapor barrier and to increase your odds on having a good job. I put House wrap odds at about 78% to get installed properly .

@AwesomeFramers 2 жыл бұрын

Tyvek requires more thinking, planning and detailing. Your point actually proved why we don't use it

@samconway5288 5 ай бұрын

Wrong, tape the corners first

@AwesomeFramers 5 ай бұрын

Why? FYI: www.huberwood.com/uploads/documents/technical/W-1.3-Flanged-Window-Flashing-Sill-pan-with-Flashing-Tape-and-Stretch-Tape-Detail-Wall-ZIP-System_2021-09-17-135608_xdud.pdf

@TheSpatulaCity 3 жыл бұрын

Kinda sounds like Mark Wahlberg.

@AwesomeFramers 3 жыл бұрын

Mark says thank you 😁

@mystuffseventyone5930 Жыл бұрын

Should be nailed hence the name ‘ nailing flange’

@AwesomeFramers Жыл бұрын

That's not logical, not is it accurate.

@spin230 8 ай бұрын

Pop a piece of clapboard on the sill so it has some pitch, then get you some tyvek flex wrap an seal that hog up.

@AwesomeFramers 8 ай бұрын

I hear you, but I have a strong opinion about this. It takes a lot of water for the sloped sill do do any good. At that point we've got major problems. It seems rational to focus on preventing that to begin with.