Rainscreen Cladding Support Systems

By , April 6, 2015 4:07 pm


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Cladding Neutral support assembly – you are not locked into a specific cladding material or support system.  Knight Wall Systems can accommodate nay cladding, cladding size or designed configuration.

Meeting the energy code and hanging claddings – engineered systems that deliver mandated thermal performance.  Building code changes are having a significant impact on decisions related to building envelope design.  Led by air barrier requirements and NFPA 285 fire issues, one element of the code the continuous insulation requirement currently receives less scrutiny but is no less important –

ASHRAE standard 90.1 defines continuous insulation (“ci”) as “insulation that is continuous across all structural members without thermal bridges other than fasteners and service openings . . . .”

Your key problem is this – how do I meet code mandated thermal performance requirements while hanging various cladding products now available to me?

Bottom line – z furring and typical extruded aluminum support assemblies simply do not enable you to meet code, and are increasingly rejected by LEED consultants.

How can you meet code mandates continuous insulation, deliver efficient structures to your clients, hang whatever you want using various insulation assemblies and obtain the satisfaction of an engineered solution?  With Knight Wall Systems thermally isolated MFI system designed for mineral wool and CI girt system for use with rigid insulation.  Fully engineered and thermally tested support assemblies that deliver efficient buildings that meet the energy code.  Available standard in AZ50 Galvalume or stainless steel option.

Knight’s MFI System (4″ mineral wool insulation, 4″ brackets at 25″ O.C.) for cladding attachment:  Effective R value = 17.2 (U-value = 0.058)

Continuous horizontal Z furring strips (at 24″ O.C., with 4″ mineral wool insulation) for cladding attachment:  Effective R value = 12.1 (U-value = 0.083).  Does not meet energy code.

Knight’s CI girt systems for use with min 25 psi continuous rigid insulation deliver the most efficient thermal packages – 95%+ thermal efficiency.

Engineered system, not just a component.  Thermally modeled.

System Flexibility – vertical and horizontal girt variations for both CI (rigid insulation) and MFI (mineral wool) configurations.  Custom rail capability to simplify installation and reduce labor.

Cost effective solutions – competitive material costs combined with labor savings and simplified installation addresses contractor budgeting concerns.

Knight Wall Systems assumes responsibility for tested and engineered support assembly.

Input during construction document phase to avoid installation issues and cost run up during construction.



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