Particularly on the roof.
May lead to delamination of the roof sheathing.
The horizontal board enclosing the ends of the rafter projections or tails is normally referred to as the board.
Roof blisters and delamination.
If fasteners pull through the sheathing the entire roof covering and sheathing becomes loose and may be blown off during high winds.
Check the plywood sheathing particularly at the panel edges for evidence of delamination.
Mostly in the mid 70 s that i have seen that.
In the future looking for a date stamp on the affected sheet or other sheets in the same general area may help an apa rep.
Buckling can weaken the roof by separating the sheathing from the rafters or trusses.
It may be mfgr.
Defects in those sheets or it could be that the ventilation was blocked only at those sheets.
When delamination is extensive the sheet products lose their structural integrity resulting in a spongy subfloor weak roof sheathing or bulging exterior siding.
A boot that relies on a snug rubber seal and all metal flashing with soft lead that can be bent over and into the pipe.
This may be indicative of what.
What is the spacing requirements between the insulation and the roof deck sheathing at the location of the vent.
Some versions are made completely from lead.
I have seen this type of delamination and was caused by a bad batch of plywood or defective from the manufacturer.
This looks like an earlier build.
3 8 plywood roof sheathing.
De lamination of the roof sheathing may cause.
Between the years of around 1964 to 1975 homes being built saw the installation of what was first generation fire retardant plywood.
But probably not due to the amount of delamination.
Delamination may also occur in cabinets and other furniture products that are made from finish grade laminated wood.
This winter i went up.
Larry roof trusses were invented in 1952 and late 60 s before national use.
There are two kinds of flashing used to seal vents.
I had my roof sheathing replaced a year ago.
Know the differences and protect your roof blisters and delaminations aren t the same issue but they have similar symptoms and cause similar problems.
It was plywood and had delaminated.
Roof decking plywood delamination if you have a home twenty five years or older you may want to consider the condition of the plywood.
Depression between the rafters.
They both attack the roof s surface and if left to fester both make a roof system more susceptible to wind and water damage.
What might delamination of the roof sheathing lead to.
You are saying this was a 1964 build.
In determining if it is.
