Guidebook For Stucco Removal, Remediation, Plus Restore

Stucco (Portland cement plaster) is occasionally eliminated from a creating to figure out if correct flashing was installed, substitute leaky windows, mend drinking water damaged wood framing users or other causes that would demand the elimination of the stucco all around home windows. It is possible to patch and restore the stucco membrane. Elimination processes can range relying on the substrate, framing and overall remediation plans. The subsequent outlined method is for removing and substitution of cement stucco about home windows on wooden framed walls. This information is restricted to the removing and substitution of the stucco and not distinct to window set up and associated flashings. There are a number of varieties and types of home windows and a range of methods for flashing. This document is intended to emphasis on the lath and cement plaster operate for remediation.

It is critical to establish the expectations of the constructing proprietor and inform them of the ending possibilities. The ending options to the repairs all around home windows depending on the degree or wish of complete visual appeal and need to be discussed prior to the begin of perform. The adhering to will support with some decisions, options and help distinct up confusion for all functions concerned.


A complete analysis of the exterior plaster should be performed by competent people prior to producing any choices for final scope of repairs. An critical item required to establish the full scope of stucco repairs is the type of complete coat (acrylic or cement) on the constructing and the general condition of the walls. Has the developing been painted and what variety of paint was utilized? Buildings with elastomeric variety paints will limit the alternatives of repairs.

STUCCO Elimination

Stucco removing can be very dusty protecting garments, eye protection, and a respirator are usually advisable. The elimination of stucco is very best completed by chopping the stucco with a power saw making use of a masonry blade. The blade need to be established to just shy of the total thickness of the stucco membrane, typically 3/4 of an inch. This will defend the underlying weather-resistive (WR) membrane from harm. Masonry blades put on down swiftly and it will be needed to adjust the blade depth often. The stucco cuts need to be around 12 to 24 inches absent from the window body. Vertical cuts might be additional absent from the window as they need to reach the subsequent framing member (stud). When the noticed cuts are total, a chilly chisel can be put into the saw minimize and utilised to break or fracture the previous remaining uncut thickness of plaster. can then be pulled off the wall with minimal injury to the fundamental WR membrane. For huge regions of removal, it is advised to minimize the stucco into squares that can be very easily handled.

In some unusual circumstances the WR membrane could be adhered to the again of the stucco. In these situations it will be essential to eliminate the stucco back again to position the place the stucco is not bonded the WR membrane.

The lower stucco edge will be straight and sleek, it is recommended the edges be jagged and rough. This will generate a much better crucial (bond) among the new patch and existing stucco and can minimize the possibility for a separation crack. A hammer can be utilized to chip away modest sections, leaving some of the steel lath uncovered if possible.

The WR membrane should be peeled back again cautiously to lessen tears, holes or other hurt to the WR membrane. It is essential to depart some present WR membrane for appropriate lap and integration with flashings. A least two-inch in excess of lap on horizontal joints and a six-inch overlap on vertical joints of the WR membrane will be needed when closing lathing requires spot.

Leave a Reply