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Your cart is empty.Amazon.ca Product Description
Oatey Master Flash Roof Flashings are engineered for profiled roofing materials and can be installed on all types of roofing surfaces, including metal, plastic, tile, rubber membrane and others. The base is designed to form a seal on any panel configuration and roof pitch, regardless of pipe location.
From the Manufacturer
1/4-Inch - 4-Inch Master Flash Universal Roof Flashing 14052
Worthless Clock
Reviewed in the United States on February 6, 2024
Fit as promised. Use butyl tape, caulk and screws to finish the job.
Trevor
Reviewed in Canada on December 27, 2024
Got this for my radiant heater which vents horizontal. This sealed the gap around the thimble on the out side of the building. Great quality.
Barry
Reviewed in Canada on November 16, 2024
Used on metal roof. It needs caulk and butyl but worked.
Peter Blok
Reviewed in the United States on October 15, 2023
I used this on a flat roof as a flange for a newly installed vent pipe. I installed it using a bed for Henry's Ultimate sealant and used more of that same sealant over the mounting screws. I used GRK screws to fix this to the roof. The very next day we had a large rain storm. Not a single drop came through. Terrific product!
Normand Perron
Reviewed in Canada on July 15, 2021
Works really great with any size pipe
Alana
Reviewed in the United States on July 13, 2021
I actually have never needed to use one of these before. This seems to be well made. The rubber boot was labeled with various sizes in metric and standard sizes from top of the boot to where the rubber meets it's base. The location of my vent happened to be in a bad spot. The rib on the metal roof happened to be where I would have to place the base of the boot over the rib and barely onto the flat of the roof. The underside of the boot base appeared to be marked every inch or so for screws. I didn't drill them out because of where the rib was. The fit was perfect and all the materials were pliable enough to easily work with. I'd buy another one if I need another one.
David Reynolds
Reviewed in Canada on May 18, 2021
have not installed as yet but after checking the item it is just what the doctor ordered
Dave
Reviewed in Canada on October 6, 2021
Fitted perfectly for sewer vent.
Snide
Reviewed in the United States on October 20, 2021
These worked perfect for my new corrugated metal roof. Easy to install. Used screws and good quality caulking. WINTERS COMING SO HOPE THEY FUNCTION PROPERLY. TIME WILL TELL.
Dave
Reviewed in Canada on September 23, 2019
Bought & installed 2 of these.It was my first time & I found it easy.Watched some how to videos beforehand & it’s straight forward.They conform to any size required since the base is a thin aluminum.I read on here in another review that it would have been nice if there were pre drill marks in the base.If you flip it over there are pre drill hole marks if you do choose to use them.Just flip it over & run a drill through them.Made the install that much easier.Found the hole sizing that is on the top easy to use.Just cut the rubber to the size of the pipe.To ensure a snug fit just cut a little smaller.Also use some silicone under it while sliding the unit over your pipe then again around the outside of the pipe.As long as use use silicone on the bottom of the base then around the base & use some more over your screws.Pretty straight forward you won’t have any issues.
Roofing Guy
Reviewed in Canada on April 19, 2019
I used this product for personal usage on my own home and it worked out exceptionally
Eric
Reviewed in Canada on November 29, 2018
Divots in the aluminum perimeter would have helped tap the screws required to hold it in place, but otherwise a good product. Trimming the rubber end neatly to fit the required PVC pipe was not as easy as I would have thought.
JZ
Reviewed in the United States on January 2, 2017
These are the best. When it is raining and you need to seal up a flashing on a roof, this is the trick. Use one of these flashings. Use Dap 18816 poly sealant. And use rubber gasketed roofing screws to screw down all around the perimeter every 3 inches or so. The underside has fine rubber ridges and the metal is soft, so the whole thing seals very well even on rough surfaces. The sealant cures when wet and does a great job. Do this and you will never have a problem sealing roof penetrations even in the pouring rain.
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