In-Depth Flat Roof Replacement Process by Charm City Roofing
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- Опубліковано 27 чер 2019
- The Flat Roof Replacement Process.
A Look at Charm City Roofing’s Work Process.
Flat Roof Tear Off:
The first step in the roof replacement process is to tear up the existing roof. For this residential flat roof, removal begins with tearing up the old torch down membrane. Large areas of the roof can be scraped and peeled off. Special attention is given to protruding features like drains, vents and skylights.
Underneath of the torch down membrane is a layer of foam board (fiber board) insulation. This is reusable if the existing material is in good condition, however, if there is any apparent damage, the board is replaced.
Beneath the insulation is the roof deck. These OSB sheets provide structural integrity for the entire roof. Again, if there is any water damage or rot, these boards will be removed and replaced.
Around the perimeter of the roof is aluminium drip edge. This component serves to direct water away from the roof edge and into the drains on the roof. The drip edge is un-caulked, un-screwed, and peel away for replacement.
Much like the edges, the chimney is wrapped in aluminium flashing and water tight membrane. These materials are stripped off to make room for the new roof.
The tear-off ends when the roof and area surrounding the home are cleaned of debris. This ensures that the roof is prepped for the installation process. The debris is hauled away so that new roofing materials can be brought in.
New Flat Roof Installation:
Now that the old roof is removed, and replacement roof decking is installed, the new roofing materials can be brought up and installation begins.
Any spots where roof decking was cut out or removed must be replaced with new OSB board. As the decking is patched, the crew works to replace foam board insulation. This particular roof required 3-inch boards.
Once the foam board is fitted and secured, sheets of water-proof granular underlayment are rolled out to cover the entire roof. This material is fire-resistant and textured to promote adhesion with the torch down. The underlayment is used to wrap any exposed fixtures, edges, and roof protrusions to ensure water-tightness.
Custom drip-edge is made for the entire roof perimeter. Aluminium sheet metal is measured and formed into gravel-roof stop edging. The drip edges are fit over the roof edge and screwed into place over the underlayment layer. The drip edges seal the roof edges so that water cannot penetrate into the wood or insulation. They also direct water away from the roof edges and toward the roof drains.The screws holding the drip edge in place will be covered and sealed by the rubber torch down.
Rubber Torch Down Application:
When the edging is in place, the roof is ready for its final layer. Rubber granulated torch down seals the roof off from water and weather. Heat from propane torches melts the polymer-modified asphalt and secures the layer down.
The torch down is fit over corners, seams, and edges to ensure a water-tight seal across the whole roof. Additionally, carefully planned cutouts form barriers for openings and architectural features.
Last, but not least, the chimney is refit with flashing and sealed tight with a heavy bead of caulk. The chimney flashing provides and extra protective barrier, and makes for a seamless transition from the brick to the torch down.
Once all of the nooks and crannies are covered, thoroughly sealed, and all layers are in place, the crew cleans off the roof and removes any loose debris.
The finished product is a water-tight barrier for your home that will last for a very long time.
Come Visit Us and Learn More About Our Flat Roof Replacement Process At: www.charmcityroofing.com/roof...
Thanks a lot, guys. This is a great video and we love that it will help our customers learn more about our flat roof replacement process.
Great video 👍 I love installing torch on.. playing with 🔥
How much would be the average price/sq for a roof like that without the foam insulation? I need to do a flat roof that is about 1800sqft.
Great video. I have a flat roof house here in Florida. The roof was replaced in 2016 by the prior owners and I was curious of the process.
Good
This is really well done. It was great to see the whole process of replacing the roof and all of the work that goes into it. Thanks!
Thank you. When everyone knows what to expect during a roof replacement the process becomes a lot less stressful for the homeowner. We're proud of our work and would like everyone to know what to expect.
its wild to see the shoty practices companies record and put out into the world for peopel too see. its kinda funy
It's freaking hilarious 😅. What shoddy work.
wait, did they just melt the rubber straight over the drip edge?
And what actual system is this?
you removed plywood and added aspanite? why not the ply wood again? why cheepen it as it gains in structurial foundation.
Nice!
How old was that roof?
That roof was only about 10 years old! It didn't last nearly as long as it should have due to poor drainage. We were able to resolve that issue during the installation by getting better water flow to existing drains and adding a few more in areas where they were needed. We went to great lengths to ensure that water wouldn't pool on this roof again. The new roof should last much, much longer. Thanks for the question.
This was great, been searching for "how do you calculate rafter length?" for a while now, and I think this has helped. Have you heard people talk about - Beybigail Nonpareil Breakthrough - (do a search on google ) ? It is a great one off guide for discovering how to create better sheds and improve your woodworking minus the headache. Ive heard some extraordinary things about it and my partner got great success with it.
Torching to the Brick ?? No primer
3:13: Red fasteners. Does that mean this is a Firestone roof?
This is mineral felt and has nothing to do with firestone.. they make rubber roofing materials
Flashings not chased into the wall! That won’t take long to leak.
What does that mean? What does chasing flashings into walls mean
@@peautifulbenis3673 look up chimney step flashings etc. It’s the right way to do, it is chased into the mortar of the chimney instead of just stuck against a wall.
@@gaza19661310 will do thanks
That's what was thinking maybe they didn't have a grinder to cut into the mortar that day
@@gaza19661310 how are you supposed to put metal "into" mortar thats dried? Or even behind it for that matter? I've always disagreed with how people go around chimneys but this video is how I've seen everyone do it! That means roofing companies all across Canada are wrong?
Asbestos in the silver paint, penetrations, and flashing
I am doing my roof alone 1 versus 20 men in the video. Will take me longer but hey I save $$$$. I would be about $8000.00 because of the row home and the layers of mess that I cleared. Now I am sweeping and cleaning the roof to put down rubber bitumen material. My total cost will be appx $1500.00 and 5 vac days from work.
I still can’t belive it 2 years later😂
You need a kicker around that chimney it's code and it wouldn't look so ugly
We use cdx plywood not osb
I agree 5-ply CDX plywood
Looks like a pretty solid crew to me. These guys seem really attentive to their work. Nice video.
Thank you! We stand by our crew. Our guys are really top notch and we consider ourselves very fortunate to have such a hard working team.
the way they did caulking hurt my heart
o my god bad roofing
20 grand roof.?
Hey Juan, we're not sure the exact cost of this roof installation. Do you do roofing work?
Easily that
caulk is useless for flashing...
Not one to follow people, may work in dry countries, anywhere else that it may rain, sounds stupid, but ask your felt distributer if they can recommend and to lay the felt. Higher prices but longer life
youre wrapping your corners almost like you would a single ply corner... wrong
hmmm,,,
This roof leaks within 2 years. Do not take notes from this.
One-ply of cap? Not on my house! Torch base, torch cap at a minimum over a living space, and I still would not put rubber on my house, Mop 4, mop cap if you prefer the cap. Pea gravel is better than the cap, The cap has a 10-20 year life span depending on conditions, the same as rubber cap, rock lasts forever! But the mop cap has a mop 4 ply under it, this torched cap does not. Mop 4 with pea gravel and you will have a 50+year roof with proper drainage and maintenance.
Tax Slave what is the cost difference for gravel with 4 ply vs this then?
Probably need beefier roof too.
@@sampep Hi Sam, There are lots of videos here on UA-cam on the deferent roofing system, and yes a 50 year roof system cost more than a 10 year roof system. 4 ply or fiberglass hot mop down requires a minimum $30.000 worth of equipment and skilled hot roofers. Don't let anybody go near your house with a torch until they prove to you they have insurance. Torch roofing insurance is very expensive! they tend to burn things down. Get lots of quotes from different companies on different roof systems, Tell them to give you multiple quotes on two or three or four different roof systems. start with the most reputable company in your area and work your way down. Good luck.
@@sampep we're not on here to push any particular roofing system on someone. We just want to show our work so our customers know what to expect. We guarantee our work and back it with a substantial warranty. We work until the homeowner is satisfied. That is our only agenda.
That is easily an 80,000$ dollar Roof.
Flat roofer lots of Dinero $$
Those chimney flashings are horrendous and why on earth would you use that colour felt
You use a hook rod and pull the roll
You dont walk on what you torched down
torching from the wrong side !!!
Sorry jay . . . to bad you never really learned much!
Im a roofing i like better work with IPDM and TPO membrane system 👌
Not as good system
The lack of jobsite safety, specifically fall protection is a major concern. Definitely not an example to follow!
This whole operation is bush league!! Torch on wood wall? Are you kidding me? Poor homeowner!
I've been doing it nearly 30 years and only burned afew houses down.
@@jay-lm4we only a few, Them's rookie numbers! lol
Detail work looks like shit. Make it look good.
To many things done wrong on thi job to list. Hope people dont use this a a example of how to to Torch Down. 😢
Holy Mother of Jesus Kennedey Maria Christ, i started cringing from 3:40 till the end of the video so freaking bad. I am a "Flat Roofer" from germany, and what is shown here, has nothing to do with actual professional work.
I would love to explain why this is wrong on so many levels but my capabilities in the english language are somewhat restricted due to english not being my native tounge.
If you are planning doing your flat roof yourself, dont take these guys as an example, that would be terrible.