Manual

Page 11 of 12

Part 2:

Installation

Instructions

Barrel Vaults

Step 5 Cut and terminate For perimeter cuts, cut in and terminate cross tees at both ends of the vault.

cross tees for

1. If the vault terminates at a perpendicular wall, attach a complete main-tee rib against the wall using wall

perimeter cuts

attachment clips (Figure 19). Space the clips about 4 on center (every sixth slot). Use the ledge of this rib to

attach cross tees. Cut cross tees to fit and permanently attach them using self-drilling screws.

2. If the barrel vault terminates at a half dome, cut cross tees to fit and mechanically fasten the cut ends to the

face of the dome spokes.

Figure 19 – Insert clip

Step 6 Finish the vault Apply SheetroCk

brand gypsum panels to the exposed surface of the suspension system as indicated on the

architectural plans. Check the architectural plans for any additional perimeter transition treatments that may be

required. Examples may be found in the USG drywall suspension system brochure (AC3152).

1) insert tab through tee slot

2) fold against tee web

3) screw-attach to wall

Technical Service 800 USG.4YOU

Samples, Literature 888 874.2450

Customer Service 800 950.3839

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