With polyurethene caulk, you might not have too hard a time sealing top of metal flashing there, but that is all a lot of speculation. Is there such a thing as a ten dollar horse, LOL.
Out in that part of the country, it is very common for a good BUR roof to go thirty years, buit the wall caps need redoing every ten years at best. I would definitely NOT mess with the roof - get a roofing contractor with a kettle and some know-0how to deal with that if it needs help, but what ain't broke - don't try to fix it. Stick to fixing the wall cap. no question. Can the epdm stay exposed, or does it need to be protected from uv and stuff?
but I have to admit, Ihave never seen one so forgotten and lonely looking. You might also wonder what damaged flashing looks like and when it should be replaced. The sliver coat comes later, after it sets up for a few days. However, if you were using IKOs Crowne SlateTM, with a 10-inch (254 mm) exposure, youd need a 10- by 12-inch (254 mm x 304 mm) step flashing piece. Custom Architectural Sheet Metal Fabrication Our Craftsmen are Copper and Zinc Specialists!
Learn how to measure, cut, and build window casing made of cellular PVC, solid wood, poly-ash boards, or any common molding material. ;-).
You missed the smiley face hint that I was joking.
Althought the roof may not show visiblesigns of defects, as a roof ages the asphalt degrades and becomes brittle. After peeling away the backing, press the sides of the flashing down and against the inner and outer faces of the wall. Then get busy and find out how to do it. 
But if i were able to clean that crappy cap off the wall fairly easy, I might consider a metal one.
It has to be removed completely from the asphalt flood coat without damaging the underlying roofing.
Actually, it looks a little heavier then 30#. At the edge of these roofs, parapet walls are commonly found, and are vulnerable to leaks if not flashed correctly.
Please give me brand names of products, so I can ask for them and if they're not available, at least the sales rep will know where to start.
There is no alligatoring, splits, blisters, or soft spots, Also no penetratioons in the roof. Make a base flashing that extends from the roof plane up the parapet.
Allow the ends of the flashing to extend past the ends of the wall 8 inches.
No offense intended. The main EPDM membrane is then glued to the uncured membrane.
In general, copper flashing for copings comes in lengths of 8 or 10 feet.
Installation of flashing under the coping stone prevents water infiltration at joints in the coping stone.
While I understand the interest in not disturbing the existing roof, your photo shows that the existing membrane on the parapet is cracked almost all the way down to the roof deck. Is that silver roof really connected to that beautiful limestone building with the steel casement windows and terracotta tiles ? The roof side of the copper is cleated to the nailable cant strip. If you have Autocad I can point you to the detail on the Firestone web site. All of the manufacturers have a detail to tie in EPDM to asphalt roofs, but it has to be done correctly. How would you tie the new flashing into the existing roof membrane?
I was in the local roofing supply house today, and a roofer (who doesn'twork there) suggeste3d galvanized base and counter flashing. Would you just lap the pieces and seal with a good caulk?
After all, each roof feature needs protection. Second, step flashing needs to extend 8 to 14 inches above the shingles, according to the National Roofing Contractors Association (NRCA). I would not frame a house for a client.
When you're playing cards, you need to follow suit. Roofing professionals usually apply it with a trowel. Center it atop the wall so each side extends outward in equal amounts.
: (781) 396-0070 - Fax: (781) 396-8890. Unles it was done in the last ten or fifteen years, the silver coating probably has asbestos in it too. Continuous wood blocking is securely anchored to the top of the stone coping, along both edges, and covered with building paper.
I haven't done EPDM but have worked on jobs where it was used and to me it appears to be a system that can only work together with itself.
I was under the impression thatthis was an open forum for discussion, EPDM is not an option as far as I had read so I issued my post. Still thinking about it. Installation of flashing at the roof line can prevent warm moist air from the lower wall filling the parapet cavity. Expansion joints must be used if the coping is more than 30 feet long. EPDM can be used in this application. Special pricing available for large quantities. The upper edge of the copper flashing is locked into a continuous copper lock strip. Ever hear of a product from Sandell "Copper flashing fabric"? For longer walls that require more than one piece of flashing, measure and cut the remaining pieces so each one overlaps the previous by 4 inches.
This provides a suitable means by which to anchor (grout solid or wedge and seal) the continuous copper cleat. While there are premade flashing pieces you can purchase, many roofing professionals will cut their own roof flashing from sheet metal.
2004-2022 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. Then make a cover for the top. Those 8 inches are more than enough to cover the exposure of typical shingles. When nailed only to the roof plane or vertical wall, the flashing can stay in place while the other building materials expand and contract throughout the seasons.
Cut a 45-degree angle on an end that meets another parapet wall. Depending on your budget, skills and how long you want this repair to last will determine what you want to do with this parapet.
While roofing professionals occasionally use nails when flashing, they must choose whether to nail to the roof plane or the vertical wall.
In-depth articles, up-close photography, and detailed illustrations in every issue. This site is protected by reCAPTCHA and the Google. Half the building would have gone home sick at the first wiff of hot tar in the building. What about mould and rot that will continue until the area is dried up. Its lower edge should be formed into a drip, either by projecting out over the wall as shown here or by introducing a bent drip edge as shown in Detail 9.3J. Then get busy and find out how to do it.
Lift the flashing off the wall and turn it upside down so the channel faces up. Theyll use tinning snips to cut the sheets and bend them to the exact size they need while on the roof. These seams are typically locked and soldered. Tel. scrape away all of the rock that you can ALL of it at least 2' back from the wall add a kant strip at the base. 6 or 8" face ready made or build yur own.. hot tar inlayers of 60# paper at least 3 layers re-wrap the wall nail the 1st and perhaps the 2nd layer down to the wall and roof cold process it ifhot mop is out of the question fiber roof cement new to old press or roll the joints / seams use a notched trowel to apply the cement makes life easier wrap the scuppers flashing style with the 60#from outside edge back to the roof do these 1st Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, There is a cant strip already.
coping vertical tiles clay flashing surfaces thomas michael
1481 Merchant Drive Algonquin, IL 60102 TF: 800-536-2225 P: 224-678-9709 F: 224-678-9714, Crown Masonry & Construction Materials, LLC. It looks like 30# felt, or some type of roofing fabric, painted silver. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. If this original roof really is forty years old, you are right, and he needs the whole darn thing totally replaced, but he reported the roof to be in good shape. Damaged or improperly installed roof flashing, especially around the chimney, roof cricket or dormer, is one of the most common causes of roof leaks.
- M.K.
hook strip,
It deserves a proper repair. Take a few gobs and throw them on top of the wall. I don't see any paw prints in it.
Referring to Table 10Bfor 20 oz. You and I have had poststogether in the past and I don't get the stone busting now???!! Yep, this part was built about 40 yrs ago that's when you finished your apprenticeship, right?
Attaching flashing to a parapet wall requires basic sheet metal tools and knowledge of sheet metal or copper soldering.
In this detail, a reglet is formed in the stone or precast coping. The Earthen collection from Carlisle Wide Plank Floors combines a unique look with the advantages of an enduring material. Acctually covered a nice copper flashing just above the cant. It is a 40 year product, so you would be putting a 40 year flashing on a roof that might only have another five or ten years left in it.Kinda like putting a thousand dolars worth of tires on a four hundred dollar Ford.
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thus the Tonto/Lone Ranger joke reference.
Looks like you didn't finish. Parapet wall cap metal is commonly fabricated with these materials: Click here for a full list of colors and materials. We use torch applied membraneson a regular basis (we've installed anywhere from 1,000 sq.ft. I have been in commercial flat roofing for the past 15 years.
A professional can help you solve all of your roof flashing problems or answer the questions you have about your specific roof. The parapet will go through more freeze-thaw cycles than lower walls as parapets are exposed on both sides. The counterflashing at the roof side of the coping is nailed to the wood blocking. There are almost as many types of roof flashing as there are parts of the roof! I would probably have a roofer look at this because I would lean toward using a hot applied process over the cold application. Data sheet; http://www.sandellmfg.com/SPEC%20DATA%20SHEET%20PDFS/TSDS%20Copper%20Fabric%20Flashing.pdf.
Two questions: tie into the existing membrane, and expansion joints. Thanks for the Sandell link. These instructions are only to help homeowners understand what to expect from their roofing professional.
If you added a base, that mean nailing it to the roof and poking holes into it.
First a few details: It's not my house, it's a good long-term client.
How would you reair it? The information on this website is subject to change without notice. You are going to need a few gallons of kero to clean up afterwards.
The coping cover is locked onto the cleat.
Parapet flashing made from sheet metal or copper and fabricated for a particular thickness of wall may be shipped to the job site in sections.
of flat roofs. You should only have one layer of flashing on a roof at a time. radius parapet wall caps and can match any profile. trim the piece for a tight fit, if necessary.
The MCAA is working to solidify our industry., Donald McCauley The particular roof in question is the detached garage. This cap flashing detail combines elements of Detail 9.3F and Detail 9.3G.
Up here (Canada) I've seen flat roofs like this on garageslast up to 30 yrs. A reglet is formed by raking the mortar joint between brick courses. To ensure complete satisfaction you should make final color selections from several full size shingles and view a sample of the product installed on a home. The brick surface is too rough to ensure a good bond of the membrane (either EPDM or asphalt based) The gravel should be swept back from the base of the parapet and imbedded gravel should be scraped off until the roofing is smooth.
The copper coping is bent down 4" on both sides of the wall at an angle of 90 degrees.
This detail illustrates a copper cap flashing installed over a masonry wall. A professional would be able to assess this. You'd probably only need expansion joints about every 25' with either material. Typically, a roofer will replace step flashing on a new roof.
These are the key types of roof flashing you need to understand: Continuous copper flashing on a shingle roof. The combined base and coping flashing must be installed to provide positive drainage away from the new wall. Work on a warm day, with a helper or two. Push the flashing straight down and into place atop the wall.
While some professional roofers will make their kickout flashing by hand in copper, if youre using galvanized steel, it will be too tough to bend properly. You may not be able to get asbestos paper and may not want to work with it.
I can confidently
As a "deep pocket" utility company we have to be concerned with worker protection. I have lurked on this forum for several years but although I understand residential construction, I do not have the practical knowledge to be able to participate in most discussions.
Heres a pic of a flat roof on a garage. Instead, buy a premade kickout flashing piece.
I am not a carpenter. I'd pre-tin and solder copperand overlap, caulk, and rivet galvanized. This unique type of cap is designed to cover the top of parapet walls. Then a top cap of metal was installed by the SM guys. I thought it humous the verbiage you used in saying that "we" are participating in this discussion when up to that point you had not joined in the discussion is all. Installing a roof plumbing vent is typically an easier task than flashing a chimney. Oh I agree - I was just amused at your application method. Not worth getting it on ya for three or four feet worth but a whole wall - only takes five minuites to scrub up.
The lower edges of the copper coping are hooked over an edge strip and are free to move. More than likely, this was a 3 ply hot builtup.
Texas is where I learnt that technique. Ed, my best advise would be to hire a professional. The base and coping flashing are installed similar to Detail 9.3I.
For most copper work, you have to use red rosin paper as a bond breaker to keep it from sticking to the felt.
To ensure we feature the products available in your area, please select your country and state/province. Pressing the Escape (ESC) button will close the modal and bring you back to where you were on the page. This detail can be used when a new wall is constructed adjacent to an existing wall of the same height. The copper coping cover is locked over the cleat to form a drip.
LOL, I have a double down solution.take the juvenile delinquent up there, and stick HIS hand on the plastic cement to spread it around;) And since the boy is a certified juvenile delinquient, much of the damage is probably "vandalism" rather than age.
Typically flat roofs on industrial / commercial buildings last 20 yrs. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine.
units and etc.
Old flashing may begin to fail before the new roofs lifespan is over. Hey, it's great to find some good solid information on this. This unique type of cap is designed to cover the top of parapet walls. Shown is a condition where a new wall is constructed adjacent to an existing lower wall. Not really, but I can tell you what it is and how I would fix it - if the roof surface itself is OK. The roll near top of wall suggests a cast concrete cap on the brick wall overhanging by an inch or two. What is roof flashing?
What about repairing roof flashing?
Cuz winter here lasts about 3 weeks, and thats the end of January.Whenever you are asked if you can do a job, tell'em "Certainly, I can!" You also say they had leaking in the past. You say the existing roof is in good condition.
Roof flashing is a thin material, usually galvanized steel, that professional roofers use to direct water away from critical areas of the roof, wherever the roof plane meets a vertical surface like a wall or a dormer.
For example, assume 20 oz. Particularly in cold climates, the moist air in the parapet will cause significant freeze-thaw damage. If EPDM were an option, we wouldn't be discussing this because the entire roof would be replaced. A common lock seam joins it to the base flashing which runs up the face of the new wall at least 9".
Improper roof flashing could lead to wood rot and even deck collapse.
Before you learn how to install roof flashing, you need to understand that there are three primary techniques, each suitable for different areas on the roof. as a matter of fact, the red brick showing through suggests that maybe it was put on with cold process or hot mopped instead of using fibred cement. My background is BUR and yours is metal, so that is why we have differing approaches - neither one wrong. As well I'm not sure what the situation is at the ends of the walls and how you would terminate the flashing at those points. This website uses cookies to provide necessary functionality and to improve your online experience. The roof itself does not have any blisters or alligatoring, so I really don't want to disturb it any more than necessary. units and etc. a few years ago, because of the asbestos content. It's interesting that with such thin copper apparently they don't have to worry about expansion and contraction at all. Youll find that some types of flashing correspond to a specific technique. with a capital Y, but honestly, it is three or four times as fast and uses less material when you get the hang of it - compared to using a trowel - and is easier on your wrist.
Is there asphalt left between the layers of felt or has it become brittle, which is a sign of a failing roof.
Roofing cement: Roofing cement creates a waterproof seal. Dustin, the EPDM manufacturers have an uncured membrane which is compatible with asphalt. My thought is to broom the gravel away from the base,cut awaythe existing flashing, install new galvanized base and counter flashing sealed with cold process goo, and fasten the counter flashing to the parapet with mushroom head drive anchors. Typically, 10- by 8-inch (253 mm x 203 mm) flashing is chosen. On the roof side, the cover is locked into a standing seam parapet cover.
Start by tearing off the loose crumbly paper on there now, but cutting it loose near the top of the cant strip so it doesn't tear down into the roof itself. Heat up a soldering torch.
#159489MA CSL #CS40485, Riverside Sheet Metal - Our website works better with JavaScript enabled, Parapet Wall Cap - Custom wall flashing metal. The principle is the same as that for Detail 9.3A.
Disclaimer: Roof flashing should always be installed by professional roofers, who understand best practices, safety requirements and the building codes and laws in their area. The roof membrane itself is in very good condition, it's the parapet flashing that's bad.
Is there any rotted wood decking that should be replaced?
You want to have some warming in the sun while you spread others out. I know its not what you wanted to hear but I believe it is the best idea. Copper, stainless steel, and lead flashing are used in buildings where the designed service life is measured in hundreds of years. Check over your flashing and look for: If you find any of these problems, you may need to replace the flashing. The dowel securing the masonry coping is fully covered by a copper cap soldered to the flashing.
say that I expect to be a life-long subscriber." We get temps from freezing (once in a while) to 110 (although 100 is the normal high).
the two aren't compatible. cover plates,
On roofs with short parapet walls, positive roof drainage must be provided.
These instructions will tell you how to create a corner piece and how to install step flashing generally: If your roof face connects to the wall cleanly without creating a corner, then you dont need to create a corner flashing piece. See note under Special Conditions regarding short parapet walls. BTW, Tremco makes a cold mop BUR that is holding up guite well after 10 years. There was not enough body to it to hold up.
This cleat is bent down over front face of the coping. Glad to hear you say that about the sheetmetal, not the potties. Expansion joints typically use a drive cleat (see Basic Details) set in 2 beads of sealant, 1/4" to 3/8" wide on each side of the joint. Fit the piece of flashing atop the wall so the shorter sides extend down against the inner and outer faces of the wall. Hunt Country Masonry, Inc. However, there are limited circumstances where a roofer may decide to reuse flashing. However, due to manufacturing variances, the limitations of your monitor resolution and the variation in natural exterior lighting, actual colors may vary from the images you see. The roof does have some slope, the downhill end has no parapet, and there are a couple of scuppers involved. In 35 years, he's gained expertise in all phases of residential construction, retrofit and remodeling. If I were doing it, I'd use copper.
The coping cover is locked into place. If you can strp that metal oiff of there and clean it appling the rubber is easier than it sounds.
He studied architecture at Taft Junior College.
A continuous copper edge strip is fastened to wood blocking which has been anchored to the top of the old wall. The modal window is a 'site map' of the most critical areas of the site. Description: The horizontal top surfaces of walls are the most vulnerable point for water to enter the wall. Lots of options - don't know what would work best.
I solved the leak at the master BR fireplace it has rained very hard twice since then and nary a drip so she is happy and not in a hurry to fix the garage. Solder the mitered ends of pieces together at corners using the same solder. The strip can be grouted in, or held by lead wedges and sealed. The flashing for your plumbing vent needs to be large enough to surround the vent, so it should be just wider than the vents diameter. For example, head flashing or cap flashing protects doors and windows from water. 
It is stone veneer with a almost-flat built up roof on metal bar joists. Special Conditions: For areas where ice and snow conditions occur see the Design and Installation Considerations Section. roofing gutter metal sheet ply single membrane edge flashing exterior recommended horizontal building screws fasteners attach nails Well, she wants it fixed soon, but since it doesn't leak into finished space it's not urgent. The folks at conservation tech are very helpfull.
Even though the teenage kids punched holes in the existing flashing it was destined to fail being so baggy form the wall. If it doesnt have a corner, and simply looks like the image below, follow the second installation procedure. Start your subscription today and save up to 76%. a commercial flat roofing contractor. Start at one end and peel the backing from the self-adhesive side. It just doesn't show very well because this wall cap is so loose and puckered away from the brick.
We also manufacture
That's all true, but I was responding in knowledge that he is in Texas and that is the standard practice there, going from previous conditions.
Counterflashing is inserted into the reglet and held by lead wedges. The less girth each piece has will diminish the expansion and contraction force. We have separate crews for each and they generally don't intermix.
If nailed to both, the flashing may deform under the pressure from shifting brick or wood. Metal flashing is intended as a UV protection for bituminous membranes and is not intended as a waterproofing layer.
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