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Question DetailsAsked on 3/20/2017

cost to cut doorway in concrete block wall and install interior locking door

i need to have a doorway cut in a concrete block wall and an interior door installed.. The wall is interior now, but may have been exterior in the past.

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1 Answer


Here is a previous similar question with a number of other similar questions with answers linked -

Generally speaking, with most construction in a single-family home, a concrete/block basement wall will be load bearing, and as you said may well have been an original exterior wall, so you should count on having a Structural Engineer do an analysis and design of the support to replace the part of the wall you will be removing. Normally done with welded or bolted structural steel outer frame for the door to reinforce the opening you are making, then normal door put inside that outer frame - and commonly adding reinforcing and/or grout filling of the block voids on the blocks surrounding the door opening.

Cutting through a block wall (but not the concrete footer) would typically run $300-500 additional over going through a studwall - more in the $500-1000 ballpark additional cost if having to cut into the footer as well.

Answered 3 years ago by LCD

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