Jointflex Backer Rod

Description.

Jointflex Backer Rod’s are manufactured from closed cell polyethylene, are non-absorbing,are U.V resistant and have excellent weather ability properties.

Product Applications.

Jointflex Backer Rod’s are used in joints in pre-cast and cast-in-situ concrete elements to givesupport to the joint sealant application, aid in the correct joint sealant geometry (applicationdepth and shape) and prevent the joint sealant from adhering to the top of the expansionjoint filler board (3-way bonding), acting as a bond breaker.

Product Advantages.

Non-absorbent LightweightExcellent weather ability Resistant to ultraviolet lightNo bitumen content Ability to compress and recoverActs as a bond breaker

Available Sizes.

Jointflex Backer Rod’s are available in a number of different diameters and also available insquare section sizes to suit your requirement. Square sections are available with or without anadhesive face (refer to table over leaf).

Installation.

Choose a diameter or square section which is approximately 20% to 25% bigger than theactual joint size so it can be compressed to fit inside the joint leaving a tight and firm fit. Applythe backer rod to your specified depth for the sealant application.

For square sections, which have a self-adhesive side, the surface must be clean, dry and freefrom dust. The adhesive paper is removed prior to the application and the seal is placed ontothe pre-cast or first concrete element. All joins must be placed by butting firmly together.

Available sizes.

Jointflex Backer Rod’s are available in roll lengths for round shapes and available in lengths of1 metre, 1.5 metre and 2 metre for square sections.

Standard diameter sizes are 6mm up to 80mm.

Section sizes are as follows: 10mm x 10mm, 15mm x 15mm, 20mm x 20mm and 25mm x 25mm.Custom diameter and section sizes can be easily manufactured to suit.

Specification.

Jointflex Backer Rod’s shall be detailed and installed strictly in accordance to Corkjoint’srecommendations and technical requirements.

Physical Applications.

Expansion Joint In Slab On Ground Expansion Joint In Wall

Physical Properties. Choice of Section.

Please enquire about our range of construction products

Property Result Units

Density 33 Kg/m3

Compression Set 15 %

Compression Stress 13 kPa

Water Absorption below 3.0 g/m2d

Elongation 80 %

Tensile strength 0.18 N/mm2

Temperaturestrength

-40 to + 95 Celsius

Width of Joint Diameter Section

10mm 13mm 13 x 13

15mm 20mm 20 x 20

20mm 25mm 25 x 25

25mm 30mm 30 x 30

30mm 38mm 35 x 35

Other size diameters and sections are available

Backer Rod Joint Sealant

Fillerboard

Joint Sealant

Backer Rod

Backer Rod

Joint Sealant

Malaysia : CORKJOINT (M) SDN BHD Singapore : CORKJOINT (S) PTE LTDPhone : (603) 6250 9630 Phone : (65) 6455 9331Fax : (603) 6250 9650 Fax : (65) 6455 8535