Rippled or loose vinyl siding may be more than just a cosmetic worry and may indicate structural defects building movement leaks or even heat.
Wrinkle wrap siding paper.
The majority of house wrap you will find now is a lightweight synthetic material primarily designed to be placed between the siding and the sheathing.
Buckled rippled bent deformed loose or un clipped.
David joyce recently told me about a poorly taped horizontal seam in a house wrap where water found its way into a fishmouth in the tape and became a sideways leak using the tape as a trough to travel in until it found a window where it poured into the wall.
Over the years house wrap materials have advanced providing far more protection.
Many of the tapes that are made to stick to housewrap won t stick to tarpaper.
And it was pretty sobering to see the data on how much the impact really is of siding nails in housewrap at this years resnet conference.
Causes of vinyl siding damage.
Hardiewrap weather barrier is installed over the sheathing beneath the exterior siding to reduce water and air infiltration.
Building paper also called house wrap is a strong fibrous paper that blocks water and moisture from entering from the outside but allows moist air to pass through from the inside preventing a buildup of moisture inside walls that can lead to mold.
This provides a minimal drainage plane and promotes some drying.
Use 3 inch tape for wrinkled house wraps.
Because the paper tends to wrinkle the two layers tend to form a small air space creating a rain.
In a wet climate however a true rain screen is preferable using a plastic drainage mat.
Decades ago the original form of house wrap used was asphalt coated felt paper.
Here we discuss all of the know causes of this defect.
I ve been using hardie siding in the texas heat for over 10 years.
I ve been covering my wrinkle wrap with 15 pound tarpaper recently cause it s cheap insurance.
However panel siding t 111 and board siding lay flat against the sheathing wrap and do not provide any drainage or dryiing space.
Because the paper layers tends to wrinkle when installed the two layers form a small air space that some claim creates a protective rain screen.
These siding applications leave small air spaces between the sheathing wrap and siding.
Absorbs stores water.
Asphalt felt saturated felt tar paper sheathing wrap under siding roofing.
It s important that use the building paper that is recommended for your area.
High permeability when wet.
Tape the seams on flat house wrap with 2 inch tape.
The trend in three coat stucco is to use two layers of 30 minute paper.
Why does some vinyl siding take on an ugly look with ripples bends bulges or even loose ends.