TRADITIONAL ROOFING MAGAZINE
A publication of Joseph Jenkins, Inc., 143 Forest Lane, Grove City, PA 16127 USA; Ph: 814-786-9085
- Issues
- Issue 1, Fall 2001
- ENTIRE ISSUE AS PDF
- Adventures in Slate
- Six Steps to Building a 150 Year Roof
- What Roof Owners Should Know About Contractors
- Penn Big Bed Slate Company
- How To Repair a Ceramic Tile Roof
- Why Slate Roofs Don't Need Ice and Water Membrane
- Top Ten Hints For Installing Half Round Gutter on a Slate Roof
- World Slating and Tiling Championships, 2000
- Issue #2, May 2002
- Issue #3, Fall 2003
- ENTIRE ISSUE AS PDF
- Soldered Seam Flat-Lock Copper Roofs
- General Roofing Terms
- Historic and Obsolete Roofing Tile
- International Preservation Trades Workshops
- Readers Write: Slate Roof Savoir-Faire
- Introducing The Slate Roof Bible, 2nd Edition
- Slate Roof Inscriptions and Designs
- Glenridge Hall, Sandy Springs, GA
- Slate Roofing Contractors Association
- Staggered Butt and Ragged Butt Slate Roofing Styles
- Vertical Soldering
- World Slating & Tiling Championships: 2002-2005
- Issue #4, Spring 2005
- Issue #5, 2006
- Issue #6, Fall/ Winter 07/08:
- Issue #7, Fall/ Winter 08/09:
- Issue #8, Fall/ Winter 10/11
- Issue 1, Fall 2001
- Home
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- Build 150 Year Roof
- Drip Edges
- Evaluate a Contractor
- Hail Damage
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- Identify Your Slate
- Install Copper Ridge
- Install Quaint Roofs
- Install Flat-Lock Snow Aprons
- Install Half-Round Gutters
- Install Sieger Snow Rails
- Install Slate Hips and Ridges
- Install Slate Roofs
- Install Starter Courses
- Install Slate Valleys
- Install Standing Seam Snow Aprons
- Install Various Slate Styles
- Preserve a Slate Roof
- Remove a Chimney
- Repair a Slate Roof
- Ventilate Slate Ridges
- Videos
- Wind Damage
- Box Gutter Expansion Joints
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- Install Slate Siding
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- Repair a Tile Roof
- Solder Roof Flashings
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Traditional Roofing Magazine #8 -- Fall/ Winter 2010/2011Download entire magazine as PDF | Download just this article as a PDF How to Build a Snow Apron on a Slate RoofStep-by-Step by Joseph Jenkins
Finally, you can solder copper snow guards onto the copper pans if you need a snow retention system.
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1. At left we see eaves on a 4:12 slope slate roof that has suffered chronic leakage from ice damming. Although heat cable had been installed, it had been nailed through the slates with 16 penny nails, doing more harm than good. 
2. Pull off all the slates and expose the rotted mess that you’re sure to find underneath.
3. Repair the rafters by scabbing new wood where needed.
4. Install new roof decking material. This is 1” rough-sawn hemlock lumber, similar to the material used on the original roof.
5. Install 30 lb. felt over the repaired roof deck to weather it in.
6. Install red rosin paper over the felt. This “slip sheet” is to allow the copper to expand and contract.
7. Install a 
8. Prepare your copper flat-lock pans. These are 20 ounce half-hard copper pans made from 18”X24” stock. 
9. Prepare 20 ounce copper cleats.
10. Cleat the pans to the roof.
12. Continue to install and solder the copper snow apron pans until all the pans are installed.
13. Hang a 1/2”X1” cant strip (cut from the hemlock roof deck lumber) on copper or stainless steel wires so that the slates will overlap the copper approximately 6” and overlap the cant strip approximately 2”. Use chalk lines to keep things straight.
14. Install the 
15. Install the field slates with nails and 
16. You now have an eave assembly that is waterproof! 
