Cov khoom siv ua iav CBS muaj xws li kab tsim iav rwb thaiv tsev, tshuab ntxhua iav kab rov tav thiab ntsug, tshuab txiav iav thiab lub rooj txiav iav thiab lwm yam. Yuav kom ua tau raws li qhov xav tau ntawm cov chaw tsim khoom iav rwb thaiv tsev (IGU), CBS pheej nqis peev los tshawb nrhiav thiab tsim cov khoom siv tshiab. Peb cov khoom siv iav rwb thaiv tsev siv dav rau cov khoom siv hlau ib txwm muaj (aluminium spacer, stainless spacer, thiab lwm yam) thiab cov khoom siv ntug sov tsis muaj hlau (xws li super spacer, Dual Seal, thiab lwm yam) tsim iav rwb thaiv tsev.