The best replacement for collar ties is rafter ties.

The best alternatives to collar ties are rated as following:
★★★★★  rafter ties
★★★  ridge beam

Your alternative for collar ties is not listed? Suggest!
Speaking about collar ties, one probably shouldn't forget about ridge beam.

Other search terms related to collar ties and their ratings are:
★★★★★ ridge beam
★★★★★ hipped roof
You have in mind a companion for collar ties and it is not yet here? Propose!



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collar ties
rafter ties
ridge beam