Content page

From [Institution name]

Table 1. Technical requirements for physical properties
Property	Unit	Requirement for CAN/ULC-S712.1
Property	Unit	Minimum	Maximum
Air permeance for a 100-mm-thick specimen	L/(s∙m ²) @ 75 Pa	No min.	Declare
Apparent core density	kg/m ³	6.8	12
Dimensional stability volume change at –20°C	%	No min.	–1/+10
Dimensional stability volume change at 80°C	%	No min.	–15/+10
Dimensional stability volume change at 70°C, 97 ± 3% relative humidity (RH)	%	No min.	–15/+14
Fungi resistance	–	No growth	–
Open cell content volume	%	80	No max.
Surface burning characteristics – flame-spread rating	–	No min.	500 ^{Footnote (1)}
Thermal resistance for a 50-mm-thick specimen	m ²·°C/W	1.20	No max.
Time-to-occupancy ^{Footnote (2)} (volatile organic emissions)	d	1	30
Water absorption by volume for materials with water vapour permeance (WVP) ≥ 1 400	%	No min.	Declare
Water absorption by volume for materials with 400 < WVP < 1 400	%	No min.	50
WVP for a 50-mm-thick specimen	ng/(Pa·s·m ²)	1 400 or 400, depending on water absorption	No max.

Notes to table 1:

Footnote 1

Results are valid for demonstrating compliance with the standard. For Code purposes, the flame-spread rating shall be determined in accordance with the Code-specified flame-spread test details, with respect to the number of specimens to be tested, the number of specimens tested intact, and the number of cut specimens.

Return to footnote 1 referrer

Footnote 2

In cases of retrofit construction (e.g., occupied buildings), CAN/ULC-S712.2 requires that the ventilation rate be no less than 0.3 air changes per hour within the working area during the application of the product, and that the working area be isolated during spraying. The same ventilation rate is required after the product has been sprayed and for a duration no less than the time-to- occupancydetermined in accordance with CAN/ULC-S712.1. See the product Listing for the time period required before occupancy.

Return to footnote 2 referrer

Language selection

Search

Content page