HPI Products Corporation

	STANDARD BACKER ROD CLOSED CELL POLYETHYLENE FOAM
	Description	Technical Info	Installation	Illustration	Purchasing Information

DESCRIPTION

TABLE I
STOCK SIZES AVAILABLE
Rod Diameter	Feet/Carton	Metric Size	Meters/Carton
**1/4"	4,000	6 mm	1,219
**3/8"	2,100	9 mm	640
*1/2"	2,500	12 mm	762
*5/8"	1,550	15 mm	472
*3/4"	1,100	19 mm	335
7/8"	850	22 mm	259
1"	600	25 mm	182
1 1/4"	400	31 mm	121
1 1/2 "	420	38 mm	128
2"	240	50 mm	73
2 1/2 "	156	63 mm	48
3"	102	76 mm	31
4"	48	101 mm	15
STANDARD BACKER ROD SIZES 1 1/2" (38 mm) to 4" (101 mm) are furnished in easy to handle 6 ft (1.83 m) lengths and sizes 2 1/2" (62 mm) and 4" (101 mm) are available in white only. Rectangular cartons are ideal for warehousing and handling. All have convenient hand holes for carrying ease. All cartons will be accepted for re-shipment by UPS and most other package express services. Truckload quantities furnished on pallets and may be warehoused by two pallets high to maximize space.
Sizes 1/4" (6 mm) to 3/4" (19 mm) available in 2 half spools per carton. *Baby Backer Rod Carton (sizes 1/4" & 3/8") - Minimum 2 carton purchase

Basic Use: STANDARD BACKER ROD INSULATION is an ideal non absorbent compressible backup material inserted into a joint to control sealant depth, create a backstop to allow proper sealant tooling, to allow proper sealant wetting of the joint surfaces, insulate underside of sealant and yield proper bond breaker between the backup material and sealant. It can also be used as a temporary joint seal.

Specific Uses: Commonly used in glazing operations, window and door applications, expansion joints, curtain
wall joints, partitions, log construction, pavement joints, and repairs, precast units and copings. Illustration.

Compatibility: STANDARD BACKER ROD INSULATION is compatible with butyl, polysulfide, acrylic, polyurethane, silicone and most other cold sealant compositions. polysulfide, acrylic, polyurethane and silicone.

Composition and Material: STANDARD BACKER ROD INSULATION is an extruded round, closed cell, low density polyethylene foam material with a skin-like outer texture. It is highly flexible and compressible for easy installation. Available in stock grey and several other colors on a custom basis. Available in a wide variety of diameters. (See Table I).

Insulation Requirement: STANDARD BACKER ROD INSULATION serves the important and necessary task of insulating the underside of sealants from the negative effects of hot and cold temperature variations as well as moisture and humidity influences from within the joint cavity.