If you're looking for information on installing a roof, you've come to the right place. Although every step doesn't apply to every project, here is an summary of the basics...
Installing a Roof: Step #1 - Planning
Who's going to do the work?What type of roofing will you install?When will you do the work?Where will you get the roofing materials?Why select one type of roofing over another?How will you tiptoe with the work?
Installing a Roof: Step #2 - Estimating
Create a "birds-eye" sketch of the roof.
Measure the slope of the roof.
Measure the length of every hip, ridge, valley, eave and rake.
Measure the rafter length of each roof section.
Determine size and type of pipes, vents and other flashings required.
Take "before" pictures.
Calculate the square footage of the roof area.
Installing a Roof: Step #3 - Purchasing
Create a list of materials needed.
Get at least three quotes for material prices.
Order the materials.
Receive delivery and loading of the materials.
Purchase or rent any extra tools required.
Installing a Roof: Step #4 - For Roofovers
Determine that the existing roof has no more than two layers.
Determine that the health of the existing roof can accommodate a roofover.
Install new drip edge.
Install new valley metal.
Install new gooseneck vents and pipe flashings.
Remove hips and ridges.
Installing a Roof: Step #5 - For Tear Offs
Remove the old roofing down to the bare wood.
Remove all protruding fasteners.
Installing a Roof: Step #6 - Carpentry
Repair any deteriorated sheathing, framing and/or fascia.
Renail roof sheathing as needed to meet code.
Cut out ridge vents slots as needed.
Installing a Roof: Step #7 - Underlayment
Install underlayment over whole roof deck.
Temporarily seal all vents, pipes and other flashings.
Installing a Roof: Step #8 - For Flat Roofs
Remove existing roof down to the bare wood.
Repair any deteriorated wood.
Install tapered system as needed.
Install base sheet, with nail pattern per code.
Install self-adhering mid-ply.
Install and prime drip edge and flashings.
Have "In-Progress" Inspection
Install self-adhering cap sheet.
Installing a Roof: Step #9 - Flashing
Tack on the drip edge with 3" minimum lap.
Check appearance from ground.
Nail off drip edge, with nails no more than 6" apart.
Install valley metal and wall flashings.
Install new gooseneck vents and pipe flashings.
Have "Dry-in" Inspection.
Installing a Roof: Step #10 - Layout
Measure for vertical and horizontal lines.
Chalk red layout lines on underlayment.
Installing a Roof: Step #11 - Shingle
Install "ice and water shield" where required.
Install starter strips.
Install field shingles.
Install cap shingles on hips and ridges.
Installing a Roof: Step #12 - Ventilation
Layout ridge vent slots.
Cut out slots.
Caulk colse to slots with flashing cement.
Install ridge vents with corrosion-resistant screws and grommeted washers.
Installing a Roof: Step #13 - Cleanup and Final Inspection
Remove any debris from roof and gutters.
Clean up ground.
Haul away debris.
Return any leftover materials.
Take "after" pictures.
Have Final Inspection.
Carpentry Framing
Installing a Roof? - The Basic StepsIf you're looking for information on installing a roof, you've come to the right place. Although every step doesn't apply to every project, here is an summary of the basics...
Installing a Roof: Step #1 - Planning
Who's going to do the work?What type of roofing will you install?When will you do the work?Where will you get the roofing materials?Why select one type of roofing over another?How will you tiptoe with the work?
Installing a Roof: Step #2 - Estimating
Create a "birds-eye" sketch of the roof.
Measure the slope of the roof.
Measure the length of every hip, ridge, valley, eave and rake.
Measure the rafter length of each roof section.
Determine size and type of pipes, vents and other flashings required.
Take "before" pictures.
Calculate the square footage of the roof area.
Installing a Roof: Step #3 - Purchasing
Create a list of materials needed.
Get at least three quotes for material prices.
Order the materials.
Receive delivery and loading of the materials.
Purchase or rent any extra tools required.
Installing a Roof: Step #4 - For Roofovers
Determine that the existing roof has no more than two layers.
Determine that the health of the existing roof can accommodate a roofover.
Install new drip edge.
Install new valley metal.
Install new gooseneck vents and pipe flashings.
Remove hips and ridges.
Installing a Roof: Step #5 - For Tear Offs
Remove the old roofing down to the bare wood.
Remove all protruding fasteners.
Installing a Roof: Step #6 - Carpentry
Repair any deteriorated sheathing, framing and/or fascia.
Renail roof sheathing as needed to meet code.
Cut out ridge vents slots as needed.
Installing a Roof: Step #7 - Underlayment
Install underlayment over whole roof deck.
Temporarily seal all vents, pipes and other flashings.
Installing a Roof: Step #8 - For Flat Roofs
Remove existing roof down to the bare wood.
Repair any deteriorated wood.
Install tapered system as needed.
Install base sheet, with nail pattern per code.
Install self-adhering mid-ply.
Install and prime drip edge and flashings.
Have "In-Progress" Inspection
Install self-adhering cap sheet.
Installing a Roof: Step #9 - Flashing
Tack on the drip edge with 3" minimum lap.
Check appearance from ground.
Nail off drip edge, with nails no more than 6" apart.
Install valley metal and wall flashings.
Install new gooseneck vents and pipe flashings.
Have "Dry-in" Inspection.
Installing a Roof: Step #10 - Layout
Measure for vertical and horizontal lines.
Chalk red layout lines on underlayment.
Installing a Roof: Step #11 - Shingle
Install "ice and water shield" where required.
Install starter strips.
Install field shingles.
Install cap shingles on hips and ridges.
Installing a Roof: Step #12 - Ventilation
Layout ridge vent slots.
Cut out slots.
Caulk colse to slots with flashing cement.
Install ridge vents with corrosion-resistant screws and grommeted washers.
Installing a Roof: Step #13 - Cleanup and Final Inspection
Remove any debris from roof and gutters.
Clean up ground.
Haul away debris.
Return any leftover materials.
Take "after" pictures.
Have Final Inspection.
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