SBS Fire Separation Wall

Division D - Construction Details

SBS | Fire Separation Wall ( Article 10.3.4.4.)

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SBS Details

(1) Primary Roof Membrane
(2) Base Membrane Flashing
(3) Non-combustible Insulation: Optional (For condensation control) Cellular glass board insulation complying to ASTM C552-00 OR mineral fiber insulation conforming to CAN / CGSB 51.31-M84 and ASTM E84.
(4) Base Metal Flashing: S-Lock joints and concealed discontinuous clips required. Do not fasten to block firewall. (Optional – Metal base flashing may be installed on lower wall area.)
(5) Water Channeling Clip: (See inset) Concealed clip designed with ribs to channel water under standing seam joint with notch to allow water to escape, OR standing seam joints to be soldered, OR an additional layer of metal flashing with offsetting joints. Do NOT place combustible materials over top of firewall.
(6) Metal Cap Flashing: Standing seam joints and concealed continuous or discontinuous clips required.

NOTE: See the Standard for additional requirements.

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