TPO Low Door Opening
TPO Low Door Opening
Revision as of 16:23, 7 November 2025 by James Klassen (talk | contribs)
Division D - Construction Details
TPO | Low Door Opening ( Article 10.3.4.5.)
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| Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).
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TPO Details
1 WORK INCLUDED
- (1) Roof system
- Conventionally insulated system shown (refer to the membrane Standard for requirements).
- (2) Field membrane
- TPO shown (see Part 9 for requirements)
- (3) Self-adhered membrane (pre-flashing)
- Adhered. Apply over rough sill or sill woodwork. Prime as required.
- (4) Metal water-stop flashing
- Dimensions as specified in design. Mechanically attach to inside face of door sill. Cut flashing to fit opening width.
- (5) Membrane flashing (not shown)
- Optional, if field membrane stops at edge securement. Install to overlap and seal in metal water-stop flashing.
- (6) Membrane corner reinforcement
- Install as required by the Standard and the manufacturer.
- (7) Metal base flashing (under door)
- Optional; protection for membrane when pavers are installed (shown), or when exposed membrane is vulnerable to damage. Mechanical fasteners must be at least 87.5 mm (3-1/2”) above the drainage plane.
- (8) Membrane flashing (not shown)
- Optional, if field membrane stops at edge securement. Applicable for exterior-insulated walls. Seals roof membrane flashing to air/vapour barrier on wall and provides sufficient exposure for positive union with WRB (by others). Mechanically secure membrane (metal base flashing used for securement in this detail).
- (9) Metal base flashing (walls)
- Optional; protects membrane flashing from damage, and functions as removable panel to permit access to membrane flashing for future replacement.
- (10) Pavers and pedestals
- May be installed by others, if specified. See Part 14 for material and application requirements. Must be at least 12 mm (1/2”) away from other pavers, and from membrane flashing or metal base flashing, to permit adequate drainage.
2 RELATED WORK BY OTHERS
- (A) Wall and cladding
- Generic and representative only.
- (B) WRB (Water Resistive Barrier)
- Generic and representative only.
- (C) Door and jamb assembly
- Generic and representative only.
NOTE: See the Standard for additional requirements.
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