Installing horizontal siding (Hardie Plank) on top of your siding sheets (T1-11) will save you money on your heating bills. Typical installation of siding sheets are nailed directly onto the wall studs of the home. Most of the time, the only thing between the studs and the siding is a thin layer of vapor barrier. This gives your home minimal protection from the outside elements.
Here’s How You Can Save some money…
Instead of completely taking off
and replacing it with plywood or (OSB), you can nail the horizontal siding directly onto the
T1-11. This will eliminate extra cost and give you additional insulation.