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"Improve The Quality Of Your Penetration Flashings While Reducing Your Installed
Cost!"
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The Problem:
- Conventional field-built flashings are among the
most notorious leak sites
on the roof
The Solution:
- M-Weld® Pre-Flashed Accessories offer consistent, factory-built quality
every time
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M-Weld® Pre-Flashed Accessories:
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- Reduce Embarrassing Call-backs…
Consistent quality and ease of installation reduce the possibility of leaks and
callbacks
- Save Cost Versus Field Construction…
Reduces installed costs by up to 6%!
- Simpler Solution…
No need to carry multiple repair membranes because M-Weld® Accessories
work with torch, hot bitumen, or cold adhesive applied systems
- Look Better…
Uniform construction results in a neater finished appearance
- Custom Styles Available…
Wide variety of standard styles and sizes, plus custom-fabricated styles to meet
specific job requirements
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Standard M-Vent
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Single size fits many different sized pipes:
- Vent stacks
- Faulty flashing around penetrations
Sizes
- Standard 5” and 9” diameters
- Custom 12” and 14” diameters available
Styles
- APP or SBS, smooth or granule surfaced flashing membrane
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Adjustable M-Vent
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Easily flashes pipes up to 14":
- Damaged flashing around tall or awkward pipes or protrusions
Sizes
- Standard 6”, 8”, and 14” diameters
Styles
- APP or SBS, smooth or granule surfaced flashing membrane
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One Way Vent
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Allow continuous release of vapor with in system:
Sizes
Styles
- Unflashed or offered as flashed with APP or SBS Smooth or Granule Surfaced Flashing
Membrane
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Drain Insert
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Complete with hardware, strainer, and gravel guard; Drain insert retrofits:
- Damaged interior drains and flashing
Sizes
- Retrofit sizes include 1-1/2”, 2-1/2”, 3-1/2”, 4-1/2”, and 5-1/2” diameters.
- Larger sizes up to 7-1/2" available (special order)
Styles
- APP or SBS smooth surfaced flashing membrane
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M-Curb System
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Ideal for flashing and pitch pans around:
- Guide wires, Antennas, Sign supports, & other difficult-to-flash areas, requires
no strip flashing and easily bonds to most roofing materials.
Sizes
- 5” and 71/2” Round Curb sections
- 6” and 12” Straight Curb sections
- Curb corners also available
Styles
- Available in convenient kits (including M-Thane 2-part pourable sealer)
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"One of the major sources of leaks in...low-slope roofs is faulty flashing
at... vent pipes and ducts."
- Laaly, H.O., “The Science and Technology of Traditional and Modern
Roofing Systems”45-1 (1992)
"We’ve reduced our labor costs dramatically by using M-Weld®
Pre-flashed Products, compared to traditional flashing methods."
- Bill Pegnato, President - Pegnato & Pegnato Building Systems Services, Inc.,
Marina del Rey, CA
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M-Weld® Pre-Flashed M-Vent
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Flashed-On-Site Lead Vent
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1. Material Costs
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1. Material Costs
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5” Standard M-Vent
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$62.00
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Cost of Flashing Membrane
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N/A
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Cost of Primer & Brushes
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N/A
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Cost of Asphalt/Propane/Adhesive
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4.00
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Total Material Costs
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$66.00
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5” Lead Vent
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$40.70
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Cost of Flashing Membrane
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8.80
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Cost of Primer & Brushes
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3.00
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Cost of
Asphalt/Propane/Adhesive
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5.50
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Total Material Costs
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$58.00
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2. Labor Costs
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2. Labor Costs
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Remove Damaged Flashings & Vent Stack
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10 Min.
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Install M-Vent
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2 Min.
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Total Installation Time
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12 Min.
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Total Labor Cost
(12 mins. @ $25 per hour)
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$10.00
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Remove Damaged Flashings & Vent Stack
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10 Min.
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Prime Metal / Allow to Dry
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5 Min.
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Apply Plastic Cement & Press Vent Into Place
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2 Min.
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Measure and Cut Flashing Material
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3 Min.
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Install Flashing Material
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6 Min.
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Install M-Vent
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0 Min.
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Clean Up Brushes and Trowel
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4 Min.
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Total Installation Time
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30 Min.
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Total Labor Cost
(30 mins. @ $25 per hour)
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$25.00
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TOTAL INSTALLED COST
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$76.00
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TOTAL INSTALLED COST
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$83.00
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