Wall mounted deflection bead installation instructions 9220 10 21 stock length pcs box step1.
Wall mounted deflection bead.
The ceiling mounted deflection bead is mounted to the roof deck allowing the bead to slide up and down the wall vertically with building deflection while retaining a crack free inside corner.
Wall mounted deflection bead features a flexible gasket that expands and contracts under building movement preventing cracks from occurring in the ceiling due to deflection.
Typically caulk or a flexible gasket such as wall mounted deflection bead is installed that can compress under load sparing the less flexible materials like concrete and drywall from having to bear the burden of building movement.
Deflection beads prevent inside corner ceiling cracking due to deflection in multistory structures.
Flexible gasket compresses and expands during deflection.
Hangyourdrywallnomorethan fromtheceiling step 2.
2 options view request samples.
Wall mounted deflection bead prevents inside corner cracking when installed against a ceiling or concrete deck that may be subject to movement.
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Snip your bead to length and dry fit to the wall creating a seal between the flexible gasket and the ceiling.
For more information on the effects of building movement on interior finishes check out this free course.
Both deflection beads feature a tear off leg that acts as a guide for the taping knife as well as a protective mask for mudding.
Wall mounted deflection bead.
Fill the void shown in with fire caulk or cavity materialsfigure a specifiedbythearchitect.
Trim tex fire bead is a fire rated wall mount deflection bead that provides 1 and 2 hour fire ratings for both dynamic and static joints according to ul 2079 5th edition for both standard walls and shaft walls and is sound tested according to astm e90.