CodeChronicle

OBC 2006 Division B

9.25.3.2.

Version 1 — in force 1 January 2012

In force · amended
Verified · covered Verified against the 2012-01-01–2012-06-19 consolidation, whose range covers the query date. How to read this

Provenance

OBC 1997 · continues from 9.25.3.2. — Pro

Base · O. Reg. 350/06 · ext v0 →

O. Reg. 503/09, cl. 180 · ext ← current

In force 2012-01-01

OBC 2012 · continues as 9.25.3.2. — Pro

9.25.3.2. — Air Barrier System Properties

Comparing versions

Changed text stands out · unchanged is dimmed

v0 base

Earlier · 2006-12-31

(1) Sheet and panel type materials intended to provide the principal resistance to air leakage shall have an air leakage characteristic not greater than 0.02 L/(s∙m2) measured at an air pressure differential of 75 Pa.

(2) Where polyethylene sheet used to provide the air-tightness in the air barrier system shall conform to CAN/CGSB-51.34-M, “Vapour Barrier, Polyethylene Sheet for Use in Building Construction”.

v1 O. Reg. 503/09

Later · viewing · 2012-01-01

(1) Sheet and panel type materials intended to provide the principal resistance to air leakage shall have an air leakage characteristic not greater than 0.02 L/(s∙m2) measured at an air pressure differential of 75 Pa.

(2) Where polyethylene sheet is used to provide the air-tightness in the air barrier system, it shall conform to CAN/CGSB-51.34-M, “Vapour Barrier, Polyethylene Sheet for Use in Building Construction”.