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Exterior System Details - General

The details that follow are standard details that depict proper detailing for cold-formed steel framed exterior walls.  The concept is to illustrate water tightness independent of the exterior finish.  For example, brick veneer finish, with proper attachments, flashing, weeps, and ledgers can be used.  These details are adapted from the concepts provided by the Foam Sheathing Committee (FSC).  The intent is to serve as a guide.  Final approval of detailing for a specific construction project is the right and responsibility of the Architect of Record.

GENERAL EXTERIOR FINISH SOLUTIONS

PARAPET DETAIL

General Exterior Finish Solutions - Parapet Detail
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.   
  3. Provide air/water barrier compatible to selected finish.  Air/water barrier to be continuous from face of exterior wall, over parapet, and onto roof membrane.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  4. Check with Underwriters Laboratories for specific air/water barrier systems.
  5. Face of coping shall extend a minimum of 2-1/2” over selected finish material.
  6. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs and roof joists.
  7. Consult with specialty structural engineer for structural stud and roof design.
  8. Check local codes and mechanical engineer for vapor retarder type and location

WINDOW HEAD DETAIL

General Exterior Finish Solutions - Window Head Detail
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.  
  3. Provide air/water barrier compatible to selected finish.  Air/water barrier to be continuous.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  4. Wrap window rough opening with appropriate flexible flashing material.
  5. Check with Underwriters Laboratories for specific air/water barrier systems.
  6. Protect corner of interior gypsum panel panels with appropriate corner reinforcement.
  7. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs.
  8. Consult with specialty structural engineer for structural stud and box header design.
  9. Check local codes and mechanical engineer for vapor retarder type and location.

WINDOW JAMB DETAIL

General Exterior Finish Solutions - Window Jamb Detail
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.  
  3. Provide air/water barrier compatible to selected finish.  Air/water barrier to be continuous.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  4. Wrap window rough opening with appropriate flexible flashing material.
  5. Check with Underwriters Laboratories for specific air/water barrier systems.
  6. Protect corner of interior gypsum panel panels with appropriate corner reinforcement.
  7. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs.
  8. Consult with specialty structural engineer for structural stud and jamb stud design.
  9. Check local codes and mechanical engineer for vapor retarder type and location.

WINDOW SILL DETAIL

General Exterior Finish Solutions - Window Sill Detail
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.  
  3. Wrap window rough opening with appropriate flexible flashing material.
  4. Install sill pan with positive drainage to exterior.
  5. Check with Underwriters Laboratories for specific air/water barrier systems.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  6. Protect corner of interior gypsum panel panels with appropriate corner reinforcement.
  7. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs.
  8. Consult with specialty structural engineer for structural stud design.
  9. Check local codes and mechanical engineer for vapor retarder type and location.

INTERMEDIATE FLOOR, BALLOON FRAME DETAIL

General Exterior Finish Solutions - Intermediate Floor Balloon Framing Details
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.  
  3. Check with Underwriters Laboratories for specific air/water barrier systems.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  4. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs and floor system.
  5. Consult with specialty structural engineer for structural stud/floor system design.
  6. Check local codes and mechanical engineer for vapor retarder type and location.

FOUNDATION DETAIL

General Exterior Finish Solutions - Foundation Detail
GENERAL NOTES

  1. Installation of insulation shall meet the requirements of the Foam Sheathing Committee’s Document TER 1205-05 (latest version) Construction Details for the Use of Foam Plastic Insulating Sheathing (FPIS) in Light-Frame Construction.
  2. Install continuous insulation with fasteners into cold-formed steel framing members.  Size, Type, and spacing of fasteners as required by foam insulation manufacturer.  
  3. Check with Underwriters Laboratories for specific air/water barrier systems.  Details as shown are for self-adhered or fluid-applied non-foaming membranes.
  4. Follow SFIA Technical Guide for Cold-Formed Steel Framing Products for specific depth, thickness, and spacing of structural studs.
  5. Consult with specialty structural engineer for structural stud system design.
  6. Check local codes and mechanical engineer for vapor retarder type and location.
  7. Provide termite separation as required by local code.
  8. Foundation insulation omitted for clarity.  Follow local energy code requirements.

While reasonable effort has been made to ensure the accuracy of this information, we assume no liability for any errors or omissions on these pages.  Please verify all information with the organizations mentioned above.   It is the right and responsibility for the architect of record to make final material/system selection.