These are water damage signs and if it is not in your windows perhaps it is your siding.
Which siding tends to deteriorate from moisture damage.
In order for fungi to set up shop the wood must be continuously damp.
After this siding has been installed for some length of time it tends to expand slightly.
However it is more durable than wood and resists damage from water and termites.
This in turn allows moisture to penetrate into the siding and deteriorate it.
As the moisture level increases the siding s edges tend to expand.
There is a good chance that your exterior doorways contain a lot of wood which gets damaged over time from normal wear and tear making it vulnerable to rainwater.
Which siding tends to deteriorate from moisture damage.
Even moreso if you see bubbles form under the paint after finishing a coat.
Add moisture to the mix and rot could eventually result.
Moisture penetrates even the most carefully installed and sealed exterior siding in several ways.
Vinyl will suffer from solar weathering while wood can rot or warp and older masonite type composite siding can crack at the edges and start to deteriorate letting water in.
This causes the area around the nail heads to become damaged.
Masonite siding is extensively used in constructions.
In any case signs of damage will show as wavy warped or uneven spots in the siding.
Even hardieplank siding can show aging if it is improperly installed.
However if not properly maintained it will deteriorate.
It wicks up from beneath trickles in from above and blows in through the seams between siding pieces.
Which siding has had extensive problems with moisture and subsequent rotting of the underlying framing.
Fungi will not grow.
Even hardieplank siding can show aging if it is improperly installed.
Exterior doors can get damaged over time through normal wear and tear.
Here s a look at some of the common problems arising in masonite sidings and the ways to fix them.
Wood rot is a form of decay triggered by the combination of moisture and fungi microscopic organisms.
Vinyl will suffer from solar weathering while wood can rot or warp and older masonite type composite siding can crack at the edges and start to deteriorate letting water in.
Fiber cement siding must be painted.
Wood siding is not as common as vinyl but if it gets to the point where it needs new paint sooner than every 5 years it s time for new siding.
In any case signs of damage will show as wavy warped or uneven spots in the siding.
Floating separate from each other.
Fiber cement siding is a composite material made of cement sand and natural wood fibers and it is manufactured to look just like wood.
