For example if the vertical height was 6 inches your slope would be 6 12 or 6 12 or 0 5 expressed as a decimal.
How to take bids for a metal roof.
Round up to 26.
The result is the total square footage in your roofing project.
Divide the measurement by 100 to give you the number of ground level squares.
Each contractor will give you a different price sometimes much higher or lower than the others.
Measure the roof measure the exterior dimensions of the house in square feet.
If you re considering buying a metal roof get at least three bids from qualified pros.
Next consider the roof pitch.
First focus on removing the oldest shingles that are sticking out as well as any flashing or vents.
Multiply the area by the slope.
It s best to start from the highest point on the roof.
It s possible that a form letter like bid could contain all the elements you need to review but your best bet might be to spell that out ahead of time.
Remove any nails sticking out and reposition any metal gutters so that water flows properly off the roof.
In many cases they can also set you up with an installer.
How to compare roofing bids what to look for if you re going to hire a contractor to replace the roof on your home you ll likely be talking to more than one.
A roof repair or new install can be a huge investment for any homeowner so it s highly important to be picky when selecting roofing contractors.
If your roof has any low pitch areas require the contractor to show you proof that the manufacturer of your roofing approves its use on roofs like yours.
Use your neoprene washer head screws to secure the metal to the sheathing.
That would give this roof 25 6 squares 20 48 x 1 25 25 6.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Many homeowners make the mistake of choosing the first bid a residential roofer gives them but it might not be the best price available for the project.
From a one page handwritten bid to a more official looking document that s several pages long.
Both lowe s and home depot sell steel roof panels in a couple of types.
Take care the first piece is aligned precisely perpendicular square to the edge.
A roof with this pitch would use roughly 25 percent more shingles than flat roofs.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
Order roofing supplies by the square footage and add 10 percent more for waste.
Proposals can differ considerably from one roofing contractor to another.
So to calculate how many squares are in this roof you d multiply the squares you ve already calculated by 1 25 to add the extra quarter.
