Concrete Specifications

CSA - A23.1 - 04 CONCRETE SPECIFICATIONS

		Class		Air %
	Footings, etc.	R1	.70 W/CM, 15 MPa	3-6
	Walls, etc.	R2	.70 W/CM, 15 MPa	4-7
	Floors **	R3	.65 W/CM, 20 MPa	-
	Exterior/Exposed	C2	.45 W/CM, 32 MPa	5-8

** Ontario Building Code calls for the CSA spec plus a vapour barrier, or 25 MPa without a vapour barrier.

Note: This information is intended to be a guide. CSA A438 Standard should be purchased.

Dispatch Contact Info:

Barrie Ready Mix Dispatch Peter Hayes and Jeff Kennedy (705) 728-2460

Orillia Ready Mix Dispatch Jeff Heffernan (705) 325-2492

Midland Ready Mix Dispatch Dave Charlebois (705) 526-5451

Bradford Ready Mix Dispatch Joe Horvath (905) 775-9899

Huntsville Ready Mix Dispatch Tim McAughey (705) 788-5159

Dispatch Contact Info:
Barrie Ready Mix Dispatch	Peter Hayes and Jeff Kennedy	(705) 728-2460
Orillia Ready Mix Dispatch	Jeff Heffernan	(705) 325-2492
Midland Ready Mix Dispatch	Dave Charlebois	(705) 526-5451
Bradford Ready Mix Dispatch	Joe Horvath	(905) 775-9899
Huntsville Ready Mix Dispatch	Tim McAughey	(705) 788-5159