Building roof trusses for your how to build
shed
roof
The descriptions below are for how to build shed
roof,
saltbox
style
shed,
which is the
most
difficult
to build.
However,
the same
techniques can be used in
building a
gable
style shed
or a barn
style
shed.
Building trusses for your how to build shed
roof is
a fun
process
and is
actually
quite
easy!
The first thing you will need to do
is find a
flat open
area with
a
concrete
floor
so
that
you
can
lay
out a
2x4 or 2x6 that is at
least as
long as
your shed
is wide.
Now,
whatever the width of your
shed is
measure
and mark
this off
on the
2x4. This will be the exact
width of
your
shed.
Draw an outline of your truss using
the
measurements
off your
plans
on
top of
your
2x4.
Each truss for your saltbox shed
consists
of 3
pieces as
illustrated
above.
What you
will need
to do next
is take
measurements
off your
drawn out
pieces and
transfer
them to 2x4s and
go ahead
and cut
them for a
template.
Or you can
simply lay 2x4s on
top of
your
drawing,
mark off
your cuts
for each piece, cut, and lay
back down
on your
drawing to
make sure
your
pieces line up exactly.
Using these pieces as guides cut out
the
members
for the
rest of
your
trusses.
Next you will need to assemble your
trusses
using
aluminum
mending
plates.
You will
need 4 for
each
truss. I like to use what
they call
a spud bar
to tamp
the plates
down into
the 2x4s. If you
do not
have one
of these
handy, use
a 5lb
sledge hammer to beat them
down into
the wood.
Do both
sides!
At this point, you need to mark off
truss
locations
on the top
plate of
each
supporting
wall. With
the
saltbox style shed and the
gable
style shed
you'll be
nailing
truss ends
on one wall all the
way down,
then move
over to
the next
wall and
nail those ends last,
making
sure
everything
is lined
up
properly. Nail each end down with
3-16d
nails.
With the
barn style
shed, I
will nail one truss
end down
then move
to the
other end
and nail
it down before nailing
on my next
truss.
Now you are ready to start sheeting
your how
to build
shed
roof trusses.
Two very important points to
remember
are to
make sure
your
trusses
are
perfectly
on center
before
nailing your sheeting to
them, and
make sure
that the
first
sheet you
nail on each side is
perfectly
flush with
both the
bottoms of
each truss
and the outside
truss.
This will
help to
insure
that your
roof is square.
Starting at the bottom edge first,
lay one of
your 4' x
8' sheets
of
osb so
that
the
bottom
edge is
flush with
the truss ends. Nail
into place
with 8d
box nails
at each
truss
location at the bottom of
the sheet.
Now make
sure the
outside
truss is
flush with the edge of
your osb
sheet and
nail into
place
every 6
inches. Line up your
other
trusses
making
sure they
are spaced
properly and nail into
place the
same way
you did
with your
outside
truss. Continue
sheeting
your
trusses in
the same
fashion.
Try to stagger your
sheets for
strength
purposes.
In
otherwords
you don't want your end
joints of
each row
lining up
with each
other.
If you have any fascia boards to
nail on
now is the
time to do
this. If
you plan
on putting
on drip
edge and
felt paper to your
roof do
this now
also, then
cover your
roof with
shingles following
manufacturers
instructions.
I do
recommend
using felt
paper and drip
edge on
your shed,
even
though it
is just a
shed. The cost is
minimal
and worth
it in the
long
run.
15# felt paper is fine
as opposed
to
30#.
If the
pitch of
your roof is lower than
3-12, then
use 30#
felt
paper.
If your
roof pitch is lower
than 2-12,
then don't
use
shingles.
Water will
work its way
under and
rot your
sheeting.
If this
low pitch
is the case
with your
shed roof,
then you
should
cover it
with metal or cover it
with a
rubber
membrane
that is
glued down
to your osb.
When I shingle the roof, I start
with my
shingles
1/2" past
the
drip
edge
or 1"
past
if
there
is
no drip
edge. This will make it
harder for
water to
work its
way under
your
shingles.
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plans, building a shed, free shed plan,
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plans,
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sheds,
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projects,
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shed, how
to build a shed base, how to
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shed roof,
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foundation,
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