Behind vinyl siding you definitely need a water resistant barrier wrb.
Drainage plane behind siding.
It makes its own drainage gap.
Old timers will tell you there s no substitute for using tar paper under siding.
With vinyl and aluminum siding the drainage space is more pronounced and furring is not necessary.
Ideally wood siding should be installed over furring creating a drained and vented air space between the drainage plane and wood siding.
You don t need a separate air gap between the vinyl siding and the tyvek because vinyl siding is installed loosely and doesn t sit tight to the sheathing.
This space is known scientifically as a drainage plane and it is most effectively created by installing a product commonly referred to in the industry as a drainage mat.
Below the window air can flow up and out behind a notch in the trim board.
Provides a continuous drainage plane behind rainscreen systems and stone and stucco veneers download product overview wallnet wallnet allows moisture to easily flow to the weeps promotes drying to help prevent mold growth and moisture damage and can help extend the life of siding materials by helping them dry from the back.
Since you have tyvek you re all set.
A 1 inch air gap is needed behind brick veneer as required by the 2009 international residential code irc baechler et al.
There s probably some truth.
After the windows are installed add a mesh drainage mat to the outside the wall.
Siding is applied directly over the drainage mat so water can drain out and air can flow in.
Extend siding life with drainage planes all siding leaks.
One of the first things that a good builder learns early in their career is the fact that all siding.
Building america recommends a gap of at least 1 16 inch behind lap siding and a drainage space of inch between stucco and plastic house wraps to control liquid phase water penetration.
So why use a drainage mat product behind your stucco cultured stone man made stone thin brick hardboard siding or other veneer.