Furring strips should be fastened to the concrete wall through the rigid foam.
Rigid insulation on concrete wall with zee furring.
Z furring must be installed vertically with the 3 4 flange against the substrate.
Clarkdietrich z furring is used to furr out interior masonry or poured concrete wall substrates and to support rigid polystyrene mineral or fiberglass batt insulation while providing a uniform plane for gypsum panel attachment.
Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.
Examples include rigid insulation adhered to the interior of the wall with furring and drywall applied over the insulation continuous insulation in a masonry cavity wall and exterior insulation and finish systems.
The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.
Developed for use on concrete and masonry walls steeler z furring channel is heavy duty enough to supplement the strongest of structures.
There is almost.
Z furring channel make installing rigid drywall ez.
This refers to insulation uninterrupted by furring or by the webs of concrete masonry units.
Some people mistakenly believe that a damp concrete wall should be able to dry toward the interior in other words that any insulation on the interior of a basement wall should be vapor permeable.
Typical wall detail showing z furring in place.
The steeler z furring channel is an installer s dream as it allows you to create a firmer and more level foundation to support rigid drywall.
How to glue polystyrene insulation to a concrete wall.
Rigid insulation panels are positioned snugly against the web of a z furring section.