New Construction | R-Value | Types of insulation options | R-Value Pre Inch | Thickness required in inches to achieve code | Other Info |
|---|---|---|---|---|---|
Exterior walls in basement | R-20 | Spray foam Open Cell Spray on fiberglass Foam board stock | R-6 R-4.36 | 3.35” 4 ¾” | Minimal of 4 inch space is required to install.
Requires minimal of two days to dry |
Exterior walls at ground level and above | R-24 | Spray foam Open Cell Spray on fiberglass Foam board Stock | R-6 R-4.36 | 4” 5 ½“ | Minimal of 5 ½“ space is required to install.
Requires minimal of two days to dry This product can be used with other product to achieve your require R-value |
Traditional attic | R-50 | Spray foam Open Cell Blown-in fiberglass Blown-in Fiberglass | R-6 R-2.65 | 8.3” 19” |
|
| Roof slopes | R-31 | Spray foam
Open Cell Blown-in fiberglass Blown-in Fiberglass | R-6
R-3.7
R-3.6
R-3.6
R-3.6 | 5.5”
9”
9”
9”
9” | Can be installed as a hot roof with no venting required. Must have 6 ½“ to install. Must have two inch air flow above insulation. Must have two inch air flow above insulation.
Must have two inch air flow above insulation. Must have two inch air flow above insulation. |
Flat roof deck | R-31 | Same as above | Same as above | Same as above | Same as above |
Ceiling in crawl space | R-31 | Same as above | Same as above | Same as above | Vapour barrier must be on the warm side of the insulation. |
Floor of overhang | R-31 | Same as above | Same as above | Same as above | Vapour barrier must be on the warm side of the insulation. |
Rim joices above ground | R-24 | Spray foam Open Cell
Fiberglass Batts | R-6
R-3.7
R-3.6 | 4”
6 ½”
6 ½“ | No vapour barrier is required
Vapour barrier is required, hard to install in these areas. Vapour barrier is required, hard to install in these areas. |
Rim joices in basement | R-20 | Spray foam Open Cell
Fiberglass Batts | Same as above | 3 ½”
5 ½“
6 ½“ | Same as above |
Under slabs
| R-10 | Spray foam Foam board stock | R-6
R-5 | 2”
2” | Completely seal all gases out of your basement. Hard to get a good seal. Seal can break after walking on |
Insulation Halifax
R-Value Codes for Nova Scotia
About Us
We specialize in insulating new construction, attics, exterior wall insulating, we us cellulose, blown-in fiberglass and spray foam which is great for basements and crawl spaces to help to reduce your heat loss and the amount of money you lose on heating your house every year.
Contact
Maritime Insulators LTD
Halifax, NS
Tel: 902-497-8391 - Halifax
Tel: 902-277-0095 South Shore
Tel: 902-698-0980 Annapolis Valley
Email : cindy@maritimeinsulators.com
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