As a rule of thumb.
How to tell your roof may need redecking.
Your joists need to be spaced 16 inches on center.
Measure the width of the roof from the center peak to the edge of the eaves and write down the measurement.
Airborne algae cause dark streaks on roof decks.
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.
Under 15 years most structures should be sound.
4 things homeowners need to know about roof decking august 18 2017.
Neighbors are getting new roofs.
So arm yourself with a flashlight and climb up under the eaves.
None of the joist sag.
Sometimes it is just best to resheet it to give you the best deck for your new roof.
Before you turn your flashlight on see if you can identify any streams of light coming through cracks or holes in your roof.
Roof decking is the foundation of your roofing system that connects the roof to your house.
But if you want to add onto the side or change the shape you probably will spend more money on redecking it.
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.
If light is getting through your roof then water is getting through your roof.
If you think you might need a new roof the first place to check isn t your home exterior it s your attic.
How to tell if your deck is structurally sound.
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 your roof is flat measure all the way across and skip the next step.
If you do spot any light coming through your roof repair or replace your roof immediately.
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.
You have inspected it and it is rot decay free.
2 dark streaks stains.
