Model # HE505142

Internet #100070367

Store SKU #492836

Henry 0.90 Gal. 505 Flashmaster
0081725505407

Henry

0.90 Gal. 505 Flashmaster

$1347 /each

Frequently Bought Together

Product Overview

HE505 - Flashmaster Flashing Cement is a premium quality, trowel-grade flashing cement for use on dry surfaces in all temperature conditions. HE505 - Flashmaster Flashing Cement is modified and rubberized for long life and flexibility. Made from heavy-bodied asphalt reinforced with organic fibers.

California residents: see   Proposition 65 information

  • Rubber-modified asphalt-based no-sag formula won't drip in vertical applications
  • Coverage: Approximately 12-1/2 sq. ft. per 1 Gal. paid (1/8 in. thick)
  • Seals leaks around chimneys, skylights and other roof openings as well as repairs shingles, roofing, flashing, splits, cracks and raised edges
  • Apply with roofing trowel, putty knife or caulk gun

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Customer Questions & Answers

I have a detached garage with wood siding that butts up to a concrete sidewalk. It's not properly...

I have a detached garage with wood siding that butts up to a concrete sidewalk. It's not properly flashed. It leaks into my garage and has rotted the siding in places at the sidewalk level. I'm asking if I can use this stuff to essentially flash the concrete and the siding?
Asked by: Scott
This will work as long as it's a dry surface. A better product if it's a dry surface would be our Henry 900 Flashing & Construction Sealant 10.1 oz tubes. This is gray in color, so it will match up with your concrete and it's more flexible. Now, if it's a wet surface, I recommend our Henry 209 Extreme Wet Patch. Also, if it's an area that is walked on, the Henry 505 and Henry 209 will get softer when the weather is hot and the sun is beating down on it where the Henry 900 won't. If you're just sealing that area and no one is going to walk on it, then nothing to worry about. For more info, check out www.henry.com or contact our product support at 800-486-1278. Thanks for putting your trust in the Henry Company and Home Depot.
Answered by: Henry Company
Date published: 2016-12-14

30 days after application can you use a elastomeric roof coating over this if so which kind is recommended

Asked by: tom123
Tom123-if you can, please email me at sschoup@henry.com for assistance; I have a couple of questions to ask you about your project.
Answered by: Henry Company
Date published: 2017-05-30

is this ok with spp modified bitumen roofing

Asked by: GDUB
I'm assuming you mean app modified bitumen roofing. If so, please contact our customer tech support at 800-486-1278 and the app modified bitumen manufacturer to see if it's compatible.
Answered by: Henry Company
Date published: 2015-11-18
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Customer Reviews

0.90 Gal. 505 Flashmaster is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Bought this product to seal around skylights. Easy to apply. Fixed area that was leaking. Will pu... Bought this product to seal around skylights. Easy to apply. Fixed area that was leaking. Will purchase again if the need arises.
Date published: 2016-12-06
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