If replacing all sheathing also then two days almost for certain unless they put in an unusually long day.
How long take one person shingle a roof.
The process is quite simple too.
A qualified littleton roofer can install a new roof in as little as two days.
A area 3 ft.
Replacement rotten wood rafters reinforcement installation.
1 average replacement time calculated as an approximate time in days for a professional roofing crew to remove old and install 35 40 squares of new roofing materials on simple gable or hip roof with up to 8 12 pitch.
Average replacement time days natural slate.
An ordinary 1 100 square foot roof takes the average roofing crew one day to complete.
That s an 8 12 pitch not 8ft.
Depending on your municipality this could take anywhere from a few days to a few weeks.
Although the fastest team effort i have been involved in was a 24sq four sided hip roof 5 12 one and a half story.
Overall it will take at least a week or two to replace your roof.
Contractors have different methods of calculating labor.
Of shingles equals out to a roll of roofing paper.
Type of roofing materials.
Very rarely can i put on more than 10 15 sq in a 8 hour day on your normal house with penetrations and a valley or two and a wall or two.
Four of us carried the bundles up and shingled in 1 3 4 hours.
About 19 bundles assuming without experience probably the better part of a long day with a hammer with a nail gun take a fourth off the time with someone bringing the shingles up probably take a third but if you want to know this for pay purposes figure 8 hours moving toe boards can slow you down as can laying out the roof single handed.
For ordinary shingle and underlayment replacement that size roof can usually be done in one day by a 3 4 man crew barring any problems.
It should take 2 to 3 hours but mostly it is according to the situation.
If replacing rafters or trusses too then 1 2 more days though this is very rarely needed.
While this may seem like a long time your roof will last for decades and will stop being something you will have to think about.
Some choose an hourly method where others bill labor on a job by job basis.
Ultimately it will depend on the size of your dwelling.
Installing the new roof.