Oldershaw Builders' Supply Company

"Serving Chatham and Area for Over 100 Years!"

Courteous, Personalized Service with Competitive Prices - Every Day!

20 McGregor Place, P.O. Box 1446,
Chatham, Ontario
N7M 5W8
Phone: (519) 352-0720 Fax: (519)352-7557

DO IT RIGHT WITH
FIBERGLASS PINK !

RSI Value
R

Thickness

Widths

Lengths

2.1 12 3.5 " 15 & 23 " 47 "

2.29 13 3.5 " 14.75 & 22.75 " 47 "

3.5 20 6.0 " 15 & 23 " 47 "

RSI Value
R

Thickness

Widths

Lengths

4.9 28 8 " 16 & 24 " 48 "

5.4 31 8.75 " 16 & 24 " 48 "

7.0 40 10.37 " 16 & 24 " 48 "

Not so long ago, the National Research Council (NRC) completed a study of sound transmission through gypsum board walls. This project was supported by several corporations including Owens-Corning Canada Inc.

The NRC report concluded that glass fiber is equal to, or better than, mineral wool for noise control.

I Can't Hear You.
* FIBERGLASS PINK Batt Insulation
can also be used in
fire rated wall assemblies.

WAYS TO CONTROL SOUND LEAKS

Increasing Mass
Heavier materials block sound better than light materials. For example, adding another layer of gypsum wallboard provides increased sound transmission loss.

Breaking Vibration Paths
Walls transmit sound vibrations from one face to another through structural elements such as metal or wood studs. An effective technique is to stagger wood studs, reducing sound transmission through them. Resilient metal channels can also be used between the gypsum wall board and the stud to break the vibration path. Metal studs are more resilient than wood studs and reduce the transmission of vibrations between one wall surface and the other.

Cavity Absorption
The sound transmission loss of a wall can also be noticeably improved by filling the wall cavity with sound absorbing material such as FIBERGLASS PINK Insulation. The key point to remember is that the insulation is absorbing sound. Within the range of 0.60 to 6.00 pounds per cubic foot for cavity insulation there is no difference in the sound absorbing properties.

WALL ASSEMBLY	DESCRIPTION	STC RATING/COMMENTS
	Single layer wall, 1/2 " type "x" gypsum board, 2 1/2 " steel stud, one thickness, 2 1/2 " thick FIBERGLASS Noise Stop Blanket	45 Loud Conversation can be heard in next room.
	Single wood studs 16 " o.c. resilient channel, 24 " o.c., single layer 1/2 " type "x" gypsum board each side, one thickness, 3 1/2 " thick FIBERGLASS PINK Batt Insulation.	46 Loud Conversation can be heard in next room.
	Unbalanced wall, 1/2 " type "x" gypsum board, single layer one side double layer on other side, 3 5/8 " steel stud, one thickness, 3 1/2 " thick FIBERGLASS PINK Steel Stud Insulation.	51 Excellent.
	Single wood studs 16 " o.c., resilient channel, 24 " o.c.; single layer 5/8 " type "x" gypsum board, one side double layer 5/8 " type "x" gypsum board other side, 3 1/2 " thick FIBERGLASS Steel Stud Insulation.	53 Can hear very loud conversation in next room; difficult to distinguish words.
	Double layer wall, 5/8 " type "x" gypsum board, 3 5/8 " steel stud, one thickness, 3 1/2 " thick FIBERGLASS Steel Stud Insulation.	56 Must strain to hear very loud conversation .
	Double wood studs, 16 " o.c.; double layer 5/8 " type "x" gypsum board each side; two thicknesses, 3 1/2 " thick FIBERGLASS Batt Insulation.	67 Very private.

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		20 McGregor Place, P.O. Box 1446, Chatham, Ontario N7M 5W8 Tel: (519) 352-0720 Fax: (519)352-7557