Your joists need to be spaced 16 inches on center.
How to tell your roof may need redecking.
Sometimes it is just best to resheet it to give you the best deck for your new roof.
Measure the width of the roof from the center peak to the edge of the eaves and write down the measurement.
Before you turn your flashlight on see if you can identify any streams of light coming through cracks or holes in your roof.
4 things homeowners need to know about roof decking august 18 2017.
As a rule of thumb.
None of the joist sag.
Homes built around the same time period can be experiencing the same types of weather conditions can mean that your roof is nearing its useful life.
Airborne algae cause dark streaks on roof decks.
You have inspected it and it is rot decay free.
If the planks are more than apart it may be best to resheet the roof.
If your roof is flat measure all the way across and skip the next step.
Neighbors are getting new roofs.
By chad collins chances are the shingles on your roof were attached on top of a plywood base.
Under 15 years most structures should be sound.
2 dark streaks stains.
Knots in the planks can cause it to break after the roof is done so if it looks iffy it is best to replace it.
How to tell if your deck is structurally sound.
Roof decking is the foundation of your roofing system that connects the roof to your house.
If light is getting through your roof then water is getting through your roof.
It s the base that lays on top of the structural trusses the bones of your attic to cover the rafters and support the weight of the roofing shingles.
But if you want to add onto the side or change the shape you probably will spend more money on redecking it.
Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame.
If you think you might need a new roof the first place to check isn t your home exterior it s your attic.