Flat
- roof patches
are temporary fixes. You should plan to replace them with a permanent
roof repair as soon as is practical, unless you'll be reroofing in the next
year or so.
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Steps: |
| 1. |
Brush aside the existing gravel (in a
built-up roofing system) and scrape off any that remains in the area
you're patching. For double-coverage roll-roof systems without gravel,
just brush and/or blow off dirt, loose materials and dust. |
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| 2. |
Trowel plastic roof cement over the damaged
area and about 6 inches (15 cm) around it using a disposable trowel or
wide putty knife (see A). (Image 1) |
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| 3. |
Immediately embed a layer of fiberglass
cloth into the cement, pressing it lightly with the trowel or wide putty
knife. |
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| 4. |
Apply a second flat
layer of cement over the
fabric (see B). (Image 2) |
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| 5. |
Allow the patch to dry and preferably
withstand the test of another rainstorm before you cover it with gravel.
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| Repairing in the rain
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Steps: |
| 1. |
In the case of sudden damage--caused by,
say, a fallen tree limb or a storm that blows loose an object anchored to
the roof -- make an immediate repair, even in the rain, to limit interior
damage. Use a roof cement formulated for application on a wet roof.
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| Repairing a rubber roof
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Steps: |
| 1. |
Clean the damaged area with window cleaner,
then wipe it using a cloth dampened with white gas or splice-cleaning
fluid (available from a roofing supplier). |
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| 2. |
Cut the tip off a caulking gun and use it to
apply butyl or polyurethane sealant to the tear or hole, then smooth the
sealant with a trowel. Alternatively, use a peel-and-stick roofing tape
and apply weight to press it firmly into place. |
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Overall Warnings:
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Never make a repair if there is any danger
of lightning. |
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Walk and work carefully on a built-up
flat roof
to avoid damaging it. |
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Protect your hands with rubber gloves when
cleaning a rubber roof or work gloves when installing a roof patch.
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;)
;)
