This website is provided by Joseph Jenkins, Inc., The Slate Roof Experts.
How to Repair an Asbestos Roof
Sources of Asbestos Roof Tiles
roofing contractors will repair asbestos roofs for three
1) no one
else will do it, 2) they are good roofs and will last a long
time if maintained,
removal and replacement of the entire roof can involve the
EPA and OSHA.
ROOFS ARE NOT AN ENVIRONMENTAL HAZARD UNLESS THEY ARE
BROKEN OR CRUMBLED AND THE DUST IS INHALED. THAT IS WHY,
*WHEN REMOVED*, THEY FALL UNDER THE HAZARDOUS MATERIALS
REGULATIONS. IF LEFT IN PLACE, THEY MAKE A GOOD ROOF.
long do asbestos roofs last? It is not unreasonable to
expect 100 years from a properly maintained asbestos roof. There
is more information about asbestos roofs in the Slate
are at least three types of asbestos shingles. Regular flat
shingle tiles are shown at top; common diamond shaped
tiles are shown at middle, and side-lap tiles are
shown above. It is difficult to find asbestos replacement
tiles that match the original roof in color shade, although
there is a page on this site listing some sources
of asbestos tiles. Note the three replacement tiles
on the diamond asbestos roof above (they appear whiter
than the original tiles).
is a brittle and fragile material. It cannot be walked
on as the tiles will crack and these hairline cracks, which
are hard to see, will leak. Asbestos tiles can be cut with
a Slate Cutter, some of which,
in fact, were originally manufactured to cut asbestos tiles.
This tool will also punch holes in asbestos tiles - no
small feat as they tend to crack otherwise. You can also
put holes in asbestos tiles by using a small masonry drill
bit (3/16" for example). You can work on asbestos
roofs by using hook ladders. A ladder hook is inexpensive and works pretty well on
asbestos roofs. Slate hooks work well for fastening replacement tiles
in place. On diamond shaped tiles use two hooks, one at
4 o clock and one at 8 o clock (see below). When you use
slate hooks you don't have to drill the tiles or caulk
anything. You can also use copper
nails to nail the asbestos tiles back in place after
taking the roof apart (such as when you replace flashings).
The last (top) row of tiles, however, will probably have
to be installed with slate hooks.
Here is an illustration showing how to use slate
hooks to repair an asbestos roof.
chimney flashing job on an asbestos roof in Grove City, PA
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