http://www.youtube.com/watch?v=I5WTwZ1U5nM Metal Roofing over shingles..Proper installation of metal roofing system over shingle roof. Preparation and experi…
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18 Comments
kazi elias · September 22, 2014 at 5:31 AM
Roofing,Waterproofing,Masonry,Siding,
Gutter leader,Carpentry,Panting (Exterior-interior)
All kind of violation remove.
k-e contracting inc /kazielias@aol.com
call:718.851.8339/917.627.8748
Bob McAlister · September 22, 2014 at 5:37 AM
sure does look good…it is OUR job…call michael at 601 750 2274 for free
advice, designs and estimates.
New improved grady1610 · September 22, 2014 at 6:35 AM
I see some people aren’t using the wood strips when putting tin on
shingles. I think I’d want the strips. What’s the difference?
edmondmansourian · September 22, 2014 at 7:11 AM
looks good
Bob McAlister · September 22, 2014 at 7:53 AM
check the local codes about the two roofs. The weight of the metal roofing
is lower than the weight of shingles. The wood strips are attached to the
rafters and provide a good ‘foundation’ for the metal. Also , if the old
roof is ‘wavy’ , the new wood strips can be shimmed to level without
tearing off the old decking and leveling. We ALWAYS use the wood strips for
those reasons. thanks for asking
New improved grady1610 · September 22, 2014 at 8:11 AM
I have two layers of shingles. Is it acceptable to tin over?
developlocalbusiness · September 22, 2014 at 8:27 AM
the metal will not ‘sweat’ , as JonEApelcede comments. The ventilation is
excellent form of insulation also …vents the hot air along the ridge.
Justin Crediblename · September 22, 2014 at 8:34 AM
I have 24 gauge steel roofing on my garage (dumb of me to choose steel, but
what’s a novice without mistakes?). I can step on any part of that roofing
with rubber soled shoes and not dent it. In fact, I can walk across a
single 7′ piece, unfastened, supported 6 feet apart by sawhorses, and not
bend it. But this material might be cheap. My roofing: Klip-Rib by AEPspan
GlueFactoryBJJ · September 22, 2014 at 9:31 AM
Does it dent the metal roof if you walk on it? I would think that would be
a problem because all roofs need inspections at one point or another…
Bob McAlister · September 22, 2014 at 9:32 AM
ventilation is provided by the dead air space between the new metal panels
and the old roofing plus we cut the ridge of the old roof out, so the air
ventilates from the attic also ..
Bob McAlister · September 22, 2014 at 10:13 AM
too heavy ? the new metal weights far less than any shingles, so I NO the
roof will not cause any cracks in the walls of the structure. thanks for
asking !
Bob McAlister · September 22, 2014 at 10:51 AM
call us for free advice and estimates 601 750 2274
tron81 · September 22, 2014 at 10:57 AM
Can you put the metal over shingles that are already deteriorating?
developlocalbusiness · September 22, 2014 at 11:53 AM
thanks for the interest in our job ! This is in Mississippi and the fact
that we install the furring strips does allow for the air to vent from the
soffit to the ridge . We also cut out the old ridge to allow for the attic
to vent at the same time. Savings on AC has averaged 25% and heating 10%.
roof pays for itself in savings on utilities. thanks ! and m Grady1610, yes
it can be used over 2 layers if the local code allows. we have had NO
claims by our clients from the recent hail storm.
Bob McAlister · September 22, 2014 at 12:28 PM
yes, as long as the underlying decking and framing are good. and , of
course , you need to check with your local building code, which can be done
by calling your county or city office of building codes….thanks for
asking !
Justin Crediblename · September 22, 2014 at 1:27 PM
typically, when buildings are designed for shingles, they are designed for
3 lbs/sq ft loading. I’ve read that this equates to two or three layers of
shingles. Often times, as time goes on, roofers just perform additional
roof-overs. Eventually, the weight of the roofing might be over spec, and
additional weight by a metal roof-over will be too much. A benefit to doing
a tear-off is that you can inspect the fastener frequency, wood
degradation, and other moisture problems caused by sh1t roofing
Evolution Hurricane Shutters, LLC · September 22, 2014 at 2:03 PM
Why would the metal “sweat”? It looks like there is plenty of room for air
movement between the metal and the shingles. Plus, won’t spacing the metal
off of the existing roof provide a way to vent off heat from summer sun? In
what part of the country was this job?
Bruce Large · September 22, 2014 at 2:57 PM
How long will it take for the wood to be destroyed by the sweating of the
metal.. Then the customer gets to pay for a new install. Do a tear off. Put
your standing seam over a good synthetic multiple layered underlayment
which will not tear protecting the wood structure and then use Aluminum
Standing Seam Metal and your customer has a Permanent Metal Roof.
Comments are closed.