Tear off the old materials and apply roof sheathing.
How to add pitch to a roof.
Premade trusses will form the skeleton of your new roof above your old roof.
Roof is 6 12 pitch and measures at 2 400 square feet.
Determine the roof span and pitch.
The pitch table below lists how much is added for each pitch.
Step 1 calculate the roof span.
So 2400 x 1 12 2 688 2 88 sqs added for pitch.
We measured from the ridge to the sleepers to get the lengths of the jacks and then cut them and fastened them into place.
To let the jacks sit plumb on top of the sleepers we angled the level cuts to the 3 1 2 in 12 pitch of the shed roof setting the circular saw to a 16 degree bevel the degree equivalent of a 3 1 2 in 12 pitch.
Add roof pitch checkbox.
Get your roof size by using this roof pitch calculator.
Make sure the pitch of the trusses is the pitch that you want for your new roof.
Then select the proper pitch from the drop down list.
Step 5 replace roofing.
How to make a flat roof have a pitch general steps step 1.
Step 3 prepare the materials.
Calculate how much the roof span is going to be by measuring from one top plate to the other top plate.
Install the new material.
A common house roof pitch is 5 by 12 which means it slopes up from the wall at 5 inches per foot.
Adding pitch to a flat roof.
When measuring roof plans the pitch will be noted on the plans when measuring from the ground you will need to know how to determine your roof pitch to add the correct amount.
Roof calc writer will add the correct amount for pitch by clicking the click to add roof pitch checkbox.