Steel siding itself is waterproof.
Weather barrier and siding.
A high quality weather resistant barrier wrb is essential to controlling condensation and moisture infiltration in.
I ve been using hardie siding in the texas heat for over 10 years.
Even if a housewrap is correctly applied to the substrate a laborious and error prone process of taping and fastening installation of siding and trim will penetrate the wrap with thousands of holes.
Hardiewrap weather barrier is a premium non woven water resistive barrier.
A rain screen is constructed by fastening wooden boards vertically on top of the weather resistant barrier wrb to provide an air gap between the building and the siding creating a drainage plane.
Many builders have turned to huber s zip system sheathing a type of osb with a coating of resin impregnated kraft paper.
Hardiewrap weather barrier is installed over the sheathing beneath the exterior siding to reduce water and air infiltration.
Traditional weather barrier and flashing systems aren t well suited to the challenges that a worsening climate may present.
The layer beneath the siding the water resistive barrier or wrb is what will protect the plywood or oriented strand board osb sheathing from any water that sneaks in.
A siding rain screen is an important part of siding replacement and siding repair.
Wrap your home in extra security.
Certawrap premium weather resistant barrier.
It contains a unique microtech coating that provides a better balance of water resistance and water vapor permeability reducing water intrusion while releasing moisture vapor from inside to dry.
And a common practice to avoid is installing strapping horizontally.
Any moisture getting behind the siding system can easily escape by draining downward.
Certawrap weather resistant barrier provides an added layer of protection against air and moisture damage.
Before the siding goes on weather protection needs to be built in.
It s part of the complete certawall weather deterrence system an advantage worth building into every home.
This isn t very common anymore but it does still happen.
In the end the decision to install house wrap under your siding is a personal one that you should make after discussing it with your contractor.
Just like siding a better weather barrier starts with better material.
Always install strapping to separate the siding from the weather barrier.
It s designed to be water resistant but vapor.
However if you re interested a residing project offers the perfect time to examine your home s weather barrier and exterior insulation and improve it if need be.
Installing siding directly against your weather barrier will greatly reduce the ability of a wall to dry.
Steel sided buildings require a weather resistant barrier.
The homes i built then still look brand new today.
