ThyCurb Pre-fabricated Expansion Joint Systems are available in two groups of styles. Group A, consisting of Models TXJ-1, TXJ-2 and TXJ-3, are factory insulated. Group B, consisting of Models TXJ-4 and TXJ-5, are field insulated.

Each system is comprised of standard 10 foot lengths, inside and outside corners, sloping end sections, spreader clips and connector slips:

Specifications for Group A—Factory Insulated System

Model TXJ-1—For insulated roof decks has built-in 3 inch cant and variable step to match deck insulation thickness. Standard step dimension ½ inch minimum up to 2 inch maximum. Step dimensions over 2 inches available as an option.

Model TXJ-2—For non-insulated roof decks has built-in 3 inch cant.

Model TXJ-3—For lightweight fill or tapered insulation.

Group A—Standard Construction

  1. Welded 18 gauge galvanized steel shell and base plate
  2. 1½ inch thick 3 pound density rigid insulation
  3. Factory installed 2 x 2 wood nailer
  4. Rolled tee bar reinforcing 24 inches on center

Optional Features—All Models—TXJ-1 thru TXJ-3

  1. Height addition to standard indicated on drawings
  2. heavier gauges of metal
  3. Galvanized steel liners
  4. Construction to roof pitches
  5. Chemically treated wood nailers
  6. Beveled wood nailers
  7. Overhanging wood nailers—TXJ-1 thru TXJ-3


2008 Thybar Corporation