masonry guard

plaster guard

On a hollow metal doorframe, a shield attached behind the hinge and strike reinforcement to prevent mortar or plaster from entering the mounting holes when the frame is grouted.
References in periodicals archive ?
Solicitation: George washington parkway historic masonry guard wall repair
cover slab protection work with masonry guard wall from the house of dipak podder nh-117 to west side concrete road near the house of bimala choudhuri
Tenders are invited for Restoration of road on left bank and construction of brick masonry guard wall of supplementary drain from RD 14100m to 16436m.