CALIFORNIA CUT VALLEY INSTALLATION TRICK | ROOFER TRAINING

California cut valleys make for a great closed cut valley, however we have an installation trick to improve performance in areas of high winds, snow or rain. In addition, this installation tip will improve the performance of roof installers.
Please check with local code and the manufacturer to make sure that it meets their requirements. We know for certain that it will pass our local code and that Certainteed, OC and GAF allow for the installation of this valley, however you must not install on a slope less than 4/12 for GAF installs. Please consult with your manufacturers representative before installing this valley.
http:www.integrityroofingandpainting.com

[@eddiefraley7159]

So I've been doing California valleys for years,also on the backside there is a tar line already so it's not necessary to apply caulk down unless your just being over protective,which is ok,not only is it a good idea to do these valleys this way,you do not have to pop a line later and then cut so your valleys come out straight,also it keeps the nails out of the valley itself which is a common mistake,I own over the top roofing here in midland Michigan and these valley's work excellent in colder climates as well.

[@russelltech7691]

a no cut valley,we do the same thing in Indy. guage 2 fingers on top 3 on the bottom. the shingles that are ran up first will seal to the other shingles. you don't have to seal unless you want to.works either way.

[@lostfinds3018]

Only problem I have is how many nails that guy is putting in that valley I’m sure they had a lot of leaks . NEVER NAIL IN THE VALLEY!!

[@christopherr7195]

LOL saw that first nail on the edge and thought.. is that -6"???? then he did it again.. and again.. and again...

[@chevytough8629]

Nailing in the valley definitely wouldn't fly here, in New England... You'd be tearing it off, and starting over...

[@tinamcwilliams7029]

I like the looks of it

[@100westup]

Great system. Here in florida the inspectors will not pass you if you do not have roofing cement under valley shingles. Great system. All my years in roofing from what I have seen on roof is the majority of roofs started leaking on valleys that didn't have roofing Cement under the shingles. Water shield or not.

[@IntegrityRoofingandPainting]

Florida builds roofs to withstand high winds and we do the same. Most roofers only build roofs the way they were taught without questioning why. Our team always questions why we do what we do so we can build the best roof systems for our environment.

[@jamiekinser3939]

It's a waste of shingles for 1 but yes I can is where it is more water tite .and hot summers sealing to the shingles on the other side. I really don't like the look myself. I'm sure you and your guys do good work. be safe and have a good thanksgiving k.

[@TheBest-mj9se]

Every area I've worked ice/water guard is required by code or warranty in the valleys. Also it looks like the guys will hit the ground before fall protection does anything

[@mastersage5470]

@@gregoryhill3683 exactly, in my honest opinion those ropes are more of a hazard than anything, ive seen more people trip on those things than i can remember, would only use on steep or 2+ story buildings

[@shawnshaffer7408]

Owens corning shingles have the tar strip on bottom side therefore no need for karnak

[@mooreshouse530]

great video to promote your company and having your installer nail the valley

[@edjacobs5524]

Orange shirt nailing to close in valley

[@anthonyworkman6379]

Yes he is....wow

[@shanewatkins5636]

Yeah right in it

[@redsresearch]

when applying sealant 1st doesnt it dry before you get to the top?

[@Sandbag1300]

Update (3 years after this video was made): Read the Owens Corning Technical bulletin April 3, 2020 regarding California Valley's. States if roofing cement is applied, it must be located at or above the nail line of the bleeder. My guess is that it has to do with water diversion - if the cement is too close to the valley it might divert the water under the shingles. I plan to add a single straight solid 3/8" line of cement on top of the nail line of tar or no extra cement at all.

[@matthewhillyard6026]

Only 4 inch steps should be 10 inch. keep nails 8inches away from center of the valley. We are not allowed to use California valley's in Canada must be cut and tipped.

[@AFULLERROOFLIFE]

Them and the rest of the world call that a California valley. That’s been called a California valley for the 20yrs I’ve been doing this, but It’s became super popular last 10yrs or so. Before that everything I saw was closed cut valley.

[@IntegrityRoofingandPainting]

Brian, thank you for your input. The biggest thing that installers overlook is applying a wide bead of tar in the valley, without the plastic cement on the vertical valley shingle the field shingles in the valley may blow off in high winds. We had 90 mph winds for 8 hours earlier this year and many valley shingles blew off the roofs that other contractors installed. We did not have any shingles that blew off. The modified installation is necessary for longevity.

[@AFULLERROOFLIFE]

Appreciate the information. We are a family owned Roofing Company in our local area for the pass 40 years. We also have several relatives in the local construction industry, my brother worked at ABC supply Tulsa for 16 or more years, and Gulf Eagle. My father who started us in 1979 was one of the first roof loaders in the area loading roofs for local lumber stores and couple shingle suppliers back in the early 80’s. My other brother runs our Siding, Insulation, and Seamless guttering side. We are all very passionate about what we do an have learned to enjoy what we do by watching our dad. I thought ur video was excellent, it’s always good to meet other individuals that share the roofing trade. Please keep posting.!! If your ever in the area lunch is on us! Thanks again! BFuller

[@IntegrityRoofingandPainting]

Thank you for responding. I appreciate your feedback.

[@jontheroofer1968]

I almost have to call BS on this. It would probably be okay doing it that way, and I understand why you do. But, in my neck of the woods, where triple-digit inches of rain is not uncommon, all it would take is one keyway in that bleeder strip being exposed to have a flood of water backed up behind all of that cement not able to get back into the valley where it belongs. Just my two cents. But if it works for you and you don't get call backs, then I guess I should shut my trap :-)

[@lynnsimon2632]

My shallow roof valleys are getting this woven treatment! 3 layers of ice and water first. Then the weave. Am happy this is my last roof.

[@sheasierzega1599]

3 layers of ice and water? Feel bad for the next roofer. Just plain dumb

[@lynnsimon2632]

maybe over kill, but the roof won't leak and there will be no problem wilt Ice dams. Works for me.

[@sheasierzega1599]

Might want to get your insulation checked out if youre getting ice dams. Huge ice storm in the midwest this year, everyone thought it was their roof but it was hot and cold air mixing in their attic due to poor insulation

[@jeremybranch4129]

Around here its a speed run valley in the south we have a lot of tropical storm weather & that's really the type we of valley that links the worst , I hate'em just lace it &be done w/ it....

[@bigcountry3413]

Be back in a year or,2 fix nails in valley

[@stinkletoes8285]

We call this a speed valley.(left side video screen)The problem may be the amount of step back....looks to be less then 6''?

[@tinamcwilliams7029]

I've been using woven valley for years but

[@edmalts]

👍. I forgot to do that 😂

[@petepelletier2145]

Dude i am 38 yrs old, lived in Maine my whole. This is way I've been doing my valleys for years. Fyi overlay ur verticals a little. Water runs down hill. Butting up shingles in a valley is a BIG NO NO! MY 2 CENTS

[@foxymustang7858]

This is how we do it in Massachusetts also.. Weaves are illegal to do here now and they arent guaranteed. But this idiot in the orange is nailing way too low. 10-12 inches away from center.

[@EricFapton]

I’ve never heard of anyone over lapping the verticals. Explain it to me in theory why it would leak, water is supposed to run between the gaps in in butted up shingles. It’s how shingles work.

[@carlandrews5810]

Have you ever heard of a Boston Cut Valley? My buddy says that's what they do but I can't find any info on it to save my life and never been on a job site with him to see him do it

[@josemanuelavilamendez2563]

Enel vaye tienes ke suvir primero el techo mas chico asia arriva

[@curiososcuriosisimos5550]

What city your work?

[@raybrensike42]

Can a valley be woven when there are two different pitched roofs meeting in the valley? I started trying to do this, but then began to realize that I was climbing fast up to the ridge on one roof, but was far away from the ridge on the other roof, and the ridges met at the top. I can't see this in my mind. I can't visualize it working. I don't know what would happen much further up if I was to continue. Can anyone help answer this? I just don't get it. The lesser pitched roof is a dormer.

[@mattfagan1877]

Most newer shingles arnt actually meant to weave and prefer cut valleys, that being said, depending on the different slopes, sometimes you need to run multiple rows on one side for every 1 row on the other side.

[@tinamcwilliams7029]

You have any problems with this blowing off

[@carlossantos-fh8jy]

Shouldnt the other go first???? Its less incline

[@Brandon-no3vc]

2 inches at top and bottom?

[@krichards8472]

I am going to shingle over my existing 3 tab shingles with dimensional.. I have W metal in the valleys can I just shingle over the existing valley shingles( showing 2 layers) on the W metal) or do I need to add another W metal over the old shingles and old W valley

[@stinkletoes8285]

Never shingle over old shingles if possible.The new shingles wont last nearly aslong.

[@krichards8472]

@@stinkletoes8285 thats not what I asked

[@krichards8472]

I got 3 answers and none of then answered the question I asked

[@stinkletoes8285]

@@krichards8472 I would head over to r/roofing...google it.Its a reddit subreddit about roofing.www.reddit.com/r/Roofing/comments/od3og2/any_advice_from_seasoned_roofers/

[@krichards8472]

@@stinkletoes8285 I all ready reroofed my house 201 bundles 9 days and figured out the valleys. I am 72 years old, if it last 20-25 years It won't be my problem

[@scottmcbride2237]

can you do this technique with 3 tab shingles?

[@joesphlongknife1724]

No!

[@joshuaclark384]

Differently not.!!

[@elicallaway342]

Why would you nail in the middle of the valley?

[@bxllyjxck4339]

That's a dragons tail, not a California cut. And you should run ice and water in your valley's.

[@donaldparker1945]

When setting the shingle like that in the valley you only have like a 3 to 4 inch staggered which is wrong there should be a 6 to 7 inch staggered so that the nails don't rust out from the butting up joint. Plus that is not shingle manufacturer specification on installation

[@tmt3052]

5 5/8 minimum.

[@DuStY_rZz653]

Cut em as u go up duhhh

[@jesusocampo9423]

So im guessing they missed the part where u use. Cement flashing on the valley. Lined up all the way up underneath your shingles. Smh

[@colincooper4563]

Hes nailing way to close to the valley on those

[@looleescrogg3170]

Nailing way to close to the valley

[@roymedina7949]

I'm from Colorado I never seen anybody do that I've been roofing for 20 years

[@IntegrityRoofingandPainting]

Roy, thank you for your response, however this is how we install shingles and we don't have any issues. Earlier this year we had 100 mph winds and we did not lose any shingles in the valleys. Many other roofs that we inspected and repaired lost shingles because they did not modify their installations. We expect the unexpected and build the roofs to last. This is the best way to install the valley shingles to prevent loss of shingles in high winds.

[@cstone2109]

@@IntegrityRoofingandPainting no it is straight up trash

[@doviangraciano4359]

I also don't wear fall protection on a 2 story 5/12 😂😂😂😂 osha has made you nutless Moes. 😂😂😂

[@pimp1979robertmack]

I love when roofing companies decide they want to do something like put a bead of cement on a valley then they speak to the viewer as if that's the absolute way it's suppose to be done... I've done a thousand roofs and only do California cut and not one service call for a leaky valley... These companies over due things to make it seem like they're doing something better or different as a selling point which is dumb and a waste of time.

[@joshuaclark384]

I'm sorry not trying to knock anyone but, I've always learned and applied that if you have to put tar cement on a new roof then your doing something wrong anyway.!!

[@pimp1979robertmack]

@@joshuaclark384 that's a facts... Very good point but don't let him see that comment cus he'll have some rationale to try and explain why and it's probably something he learned from some old roofer when he first started roofing.. smh

[@Stan_in_Shelton_WA]

Use lap cement on one valley but not the other? Consistency?

[@IntegrityRoofingandPainting]

In our process as seen in the video we use lap cement on both valleys, however we illustrated the difference of applying lap cement before or after the install.

[@R2Mike]

Lol....did you even watch or listen??

[@joshuaclark384]

@@R2Mike no he just a internet warrior he came to run his mouth.!!

[@liamhunt1293]

Why he ten nailing the runner shingle when he’s gonna put ten more in the shingle running up the valley?

[@qmax-en5ry]

nailing pattern is incorrect ,when nailing owens corning Duration the pattern is 4 nails pattern 1-1-1-1 in a 6 nail pattern is 1-2-2-1

[@wgwest6434]

Timberline also it’s 4

[@twstws7221]

The roof looks really nice great job other than the way he nails. All he needs to do is 1 nails in total to set the shingle because when he shingles away from the valley the shingle on top the nails from that shingle will set that shingle under perfectly with less nails in the valley and use roof cement in between each layer and dont be greedy with the roof cement eitherput 2 line in between each layer at that. Everyone is so quick to talk shit give rhe guy credit it does look good just give the guy some pointers instead of trash talking his roof and im sure his roof will not leak even though he's shingling between the nails in the Valley area everybody's so quick to get nervous with the valley I don't give a s*** what anyone says I didn't study loose 8 years and I guarantee I'm just as good as any veteran doing it for 20 years because I do study rooms I'm just as good as any veteran doing it for 20 years because I do study roofs I study different styles different in different ways and I like learning from experienced roofers that's the way to learn and it makes you even better I know a lot of 20 year roofer and roofers who have been doing it for 40 years and honestly roofers that been doing it for 20 years in longer actually suck because they've been doing it one way for that long when there are lots of different ways of doing roof now there's all kinds of materials have gotten much better in time and that technology with modern underlay prevent the roof from leaking even better the only thing a roofer it with over 20 years experience is good for is that they're quick that's it and I've actually beaten some 20-year roofers with speed and also a lot of Latinos that do roofs they learn it from a person and then they don't change up this style most of them are set in one way of doing it that is true they think the way they were taught is the only way LMAO and one last thing the guy obviously looks experienced in the video do you really think if his roof leak that he still have a job so obviously his roofs are not leaking don't you think the owner would have fired him by now now I think my comments how much better than any one on here I'm giving that guy compliment and giving him advice that's what people should be doing apparently you're on here to learn something the problem is a lot of vets don't want to teach no one cuz they're worried about losing their jobs to someone younger faster and more talented people that do roofs wherever you want in the video good job just be cautious that you're in the Valley that's all

[@joshuaclark384]

Man that was one hell of a run-on sentence I hardly understood you bro. Other than learning from experienced roofers. Which I did the same. And still learning to this day. But man that was one hell of a rant out of ya.!!

[@juansimon6342]

It don't matter if it has or doesn't have cement unless it has ice and water which I see that you don't use ice and water

[@IntegrityRoofingandPainting]

Ice and water is installed in our valley systems, whether they are open or closed valleys ice and water shield is installed first. I would highly recommend installing plastic cement in the California cut valley system. Every year we experience days where we have sustained winds over 60 mph and this year we had sustained winds of 90 mph during the course of a day. Many contractors experienced a great loss, however we build our roofs for the unexpected. My fellow roofing contractors who go the extra mile do not experience a significant loss when the unexpected happens. I know it seems like over kill, but our clients are worth it, therefore we go the extra mile.

[@IntegrityRoofingandPainting]

We recommend Ice and water shield to be installed in every valley.

[@chadhawkins478]

Your new and improved California cut? Learned this from my boss back in 94. Nothing you invented, buddy.

[@calixxalanan]

Ol minimum stagger is 5 5/8". His are 4". You need to cut 2" progressively off each going up the valley to keep the stagger....

[@stevejones8486]

Exactly my thoughts

[@robbiephillips8957]

I bet they getting a bunch of call backs because of the nails they putting entirely to close to the valleys

[@IntegrityRoofingandPainting]

Thanks for your feedback. All of the nails are a minimum of 6" from the valley center line. The parallel shingle is offset 2" from the valley, therefore the nails may appear to be close to the center of the valley, however they are 6" from the center. Everything is installed according to code.

[@cstone2109]

@@IntegrityRoofingandPainting hey you want to nail at least 2 inches away from the edge of the shingle not directly on the edge when doing speed valley this shit is trash just throw the whole Company away

[@jesusmadrigalmadrigal4383]

Ese travajo esta Mal tu linia de coquin le side Para dentener LA Agua de El vale y tus Linda's de LA escalera te quedan de 4 pulgadas esta mal

[@mikewarren9714]

Nail pattern is all wrong. I've been roofing for 15 years and have never heard anyone call that a California valley here in california.

[@IntegrityRoofingandPainting]

Thank you Mike for your reply. Manufacturer's reps loves our installation process and the code enforcers are impressed with our installation procedures. Thanks for your input. Many roofing associations, roof professions and roof inspectors call this valley style, "California Cut."

[@thebestofthebestsir7570]

How dangerous is roofing? I am going to start as a roofer? Any advice? Is it worth it

[@thebestofthebestsir7570]

@@IntegrityRoofingandPainting How dangerous is roofing? I am going to start working as a roofer and what advice can you give me? Is it worth to work as a roofer? I am interested in working but i just need advice

[@user-oc6qs1po3j]

well I think every one below me has "Hit the nail on the head" keep nail hammer leanth away from valley. 2nd tar drys out an cracks there are better things to use try. "through the roof " Google it. lol an yep I am a certified carpenter. by the United States Department of Labor see people this is why you hire a carpenter not a painter to do your roof. an I would tend to think after the tar drys out an cracks water gets behind it now its trapped by tar below it hum maybe roof leak? an also if does that void warranty not following manufacturer specs maybe I over-read where they said too tar of valleys like you do

[@joesphlongknife1724]

In florida we tar everything up the valley ridge ends down the rake along the eave around the penetrations,under and ontop flashings an just about anywhere else you might see a possibility of a leak. We have several different types of tar to include flashing cement specifically for adherence to metal, we have siliconized tar to prevent cracking we have tar that can be applied in the rain an stick! There's modified for coating membrane an your all around general purpose bull. I love it when you northerners come down south an tell us " A good roofer doesn't need tar". As we go about repairing your leaks. Cause you see we get some pretty wet seasons an the goblet raindrops often come down sideways in a hurricane force wind blown showers.

[@christopherr7195]

its cement not seament

[@joshuaespinoza2567]

I'm gonna save this video for what "not to do."

[@emilegriffith1473]

loooool

[@1stchoiceroofing]

So basically what you’re telling me is that the guy fuck’d up 🤦🏽‍♂️🤷🏽‍♂️

[@gordlongstaf2203]

Your guy needs to watch where he's putting his nails looks like there's nails on all the seams won't b long till starts to leak yours nails should b back 5 inches from all your seems

[@IntegrityRoofingandPainting]

Thank you for your comment. From the centerline our nails our 6" from the center of the valley. This meets code requirements and all manufacturers installation requirements. In addition, shingles will blow off if they are not nailed properly. The 2" offset is critical. Once you have a 2" offset and you nail the shingle properly you will not have any leaks nor will shingles blow off in the valleys in high winds.

[@cstone2109]

@@IntegrityRoofingandPainting I can’t believe how fucking stupid you are did your dad tell you that shit

[@powerwagon3731]

Weaved valleys are best in my opinion.

[@woodworkingstuff7165]

The guy has no nail pattern, instead opting for random placement. 100% guarantee a handful of the nails line up with seams of shingles above. Leaks waiting to happen.

[@roofking2314]

I thought they made tar on shingles already lol

[@joshuaclark384]

We do the same in Ohio but think it's a weak valley me personally would much rather close cut a valley with ice guard on top of underlayment, but Owen corning would never cover this roof no how, these dudes are shooting those nails just anywhere like that won't cut it. It has to be by there package 1,2,2,1 nail pattern has to be done before they will cover it

[@ASTROMAAN1]

That’s the worst thing to put any caulking on the valley that will stop water flow

[@marydavidson6154]

)

[@explorster]

It's a Colorado valley

[@billylittleton3395]

I don't like nail guns lot wood that need be nailed isn't nailed just gun nailed. Lot people high nail ever shingle

[@user-st7lk4if2s]

Omg it’s your roofs I get called to fix all the time. I bet this guy doesn’t even own a nail gun.

[@emilp6097]

blah no nail pattern at all

[@BrettTracyRealtor]

Never install these valleys!!! Always closed cut valley,

[@hiarshx6641]

Whats the difference between this and closed cut?

[@BrettTracyRealtor]

@@hiarshx6641 closed cut valley starts at 235 kzbin.info/www/bejne/Y3PHh6NrpcljoZY

[@joesphlongknife1724]

Installed properly with a coating of tar up valley at bottom edge of shingle to prevent wind uplift an water undertow. Does not need to be nailed when set in tar .and starter course shingle running up valley should be overlapping the next shingle creating a back lap.this way water running down the opposing valley side pushing up onto and down shingle will always be pushed out ontop of underlying shingle..to quote bruce lee.."think like water...be water my friend"

[@shooter77us]

Red chalk. Guess you're ok with that snapped line being there forever?

[@tntlife73]

keep nails 16 inches from the valleys,Integrity

[@IntegrityRoofingandPainting]

Hello Tommy, thanks for your reply. Installation instructions are to keep nails 6" from the center of the valley. At 16" shingles will blow off.

[@mesalaney7282]

Tommy Tntlife 16 in a way your shingles will blow off

[@tntlife73]

okay maybe so,how about just a foot :)

[@johnd9541]

tabs running perpendicular to the flow of water in a valley is a shortcut to save labor, and not an acceptable method recommended by any shingle manufacturer. A proper valley using steel should always be the standard, and a closed valley is an option where the homeowner wishes to save money but at the expense of quality, which should be explained to them.

[@haviervillalobos321]

I bet nobody uses metal valley. It will last way longer, but then you won't get to repair it in 7 or so years.

[@joshuaclark384]

Who the hell wants the nasty ass looking valley metal showing. That shits a eye soar that's why no one uses it.!! Just saying

[@mariogonzalez66]

Why don’t you refer to them by their real name not the gentlemen in red shirt? Juan and Jose or maybe Pedro or Alberto

[@joemonroe9456]

Maybe they don't want their name given.

[@Lugnut64052]

Jose and Hose-B

[@jamiekinser3939]

yeah looks like a waste of shingles .some roofers mostly Mexican do this maybe the real reason is to lazy to cut the shingles like it's soppost to be done.

[@IntegrityRoofingandPainting]

Thank you for sharing.

[@mesalaney7282]

Jamie Kinser I did cut valleys for many years and someone showed me this style it is awesome and super water type if done correctly

[@DuraStop]

like he said lazy to cut ...

[@greatrhino1]

Some companies like TAMKO require it for thier warrenty on thier shingles

[@visionloko5733]

Hey how about learning how to spell before you want to be making negativr comments pal. Hahaha

[@colincooper4563]

I woudlnt let these guys roof a doghouse

[@HectorRodriguez-wo7yk]

No good min.2:00

[@PartTimeYooper]

Hack valleys!!!

[@gerardguitarist]

The nails are not being set properly when fired that fast. Any angled nails will leak. This system is a complete joke in an area that has snow load. Only 26 gauge "W" valley metal should be used. Period. That nailing is a 100% fail.

[@moisesmartinez3134]

Nailing like idiots

[@jeffsievert5476]

Orange man nails valleys . No bueno .

[@tinamcwilliams7029]

Little wast there

[@jhanbaldiandbendy8032]

Leakey valley...repair men will hate you for cementing that roof

[@braingillz7047]

Bad work

[@kskroof1]

Good evidence for osha. No safety ! DONT CALL SHINGLERS ROOFERS! They are unskilled installers.

[@scott6bartley496]

Weave them

[@IntegrityRoofingandPainting]

Thank you for your feedback. Many manufacturers do not allow laminated shingles to be woven if they are part of their contractor programs and give extended warranties. In addition, many building code jurisdictions disallow woven valleys,

[@davidescamilla2897]

scott6 bartley dumbass

[@doviangraciano4359]

I don't run tar in valleys and i roof in Alaska 😂 you're just making a mess

[@ShayJ777]

Wrong

[@ShayJ777]

Actually he needs way more than that. I live in tropical central Florida. Have too here

[@putheflamesou]

architectural shingles are junk.

[@IntegrityRoofingandPainting]

Please describe why and how you have determined your finding to be correct. I appreciate your honest feedback with deductive reasoning. Thanks for your soon reply.

[@BhindTheShingle]

The most important step is the weave at the beginning that nobody shows