In many cases it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements.
Installing metal roofing to strap or not to strap.
Standing double locking seam does this tend to sweat on top of asphalt shingles.
When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.
You also need to add.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
The good news is that there are many different solutions in terms of installing metal roofing panels including tin aluminum and steel.
26 or 29 is a variable that must be considered as is the type of fastener and the pitch of the roof.
Measure from the peak to the eave and the width of your existing roof.
We are in the process of contacting contractors regarding the installation of a metal roof on our home and with each contractor that comes to the house we are getting more and more confused.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Use 1 x 3 strapping and strap six inches down from the peak of the roof and then 16 inch centers down to the eave.
Should it be installed over the existing asphalt or strapping 2.
The gauge of the metal 24.
Take these measurements to your metal roof supplier and they will order the correct amount of roofing for you cut to the right length.