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Restoration & Refurbishment
How to fill deep crack between doorframe and bowed wall
Anonymous user 31 August 2012 - 5.35 PM
Hi, My house is an end of terrace Victorian brick-built property buit in 1881, 2up-2down. The flank wall (end of terrace) has bowed out over the years due to lack of lateral restraint. However the 2 door frames adjacent to it have stayed in their original positions, so that, having raked out all the layers of filler from what was superficially a 2-3mm crack, i now have a vertical void to fill, the height of the doorframe, approx 25mm wide at the top by 10mm wide at the bottom, and the depth of the doorframe timber (125mm). What's the best product/method to fill this large void, which may slowly move further over time? Obviously one side is mortar, the other is timber. Builder's squirty foam filler cut back with stanley knife then filled with polyfilla on top? Wood filler? flexible filler? Any advice appreciated. UPDATE Thanks to the 3 who responded for being so helpful. Also MTM Building solutions how much would i be looking at for that kind of work to restrain the wall, how long would it be likely to take and would you like to call me about it on 01306 502277?
3 answers from MyBuilder tradespeople
Use Soudal Flexi Foam Gun Grade Expanding Foam 750ml Product Code: 96928 (from screwfix) 750ml. Gun grade expanding foam with high thermal and acoustic insulation value. Excellent yield, no shrinkage and paintable. CFC Free Propellant & Low Expansion Excellent Adhesion on Most Substrates High Bond Strength
Answered
1 September 2012
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Expanding foam cut back and filled over will be ok unless it gets knocked or the door slams,in which case it will crack , the most important thing is to get that flank wall stabilised if it has nt been already before you re trying to fill a gap that's getting increasingly larger and the wall becomes unstable and dangerous.helifix bow ties or bat straps fixed back through the joists and resin bonded into the brickwork will sort this for you with minimal disruption Good luck Mtm
Answered
1 September 2012
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Hi ivantucker Whilst reading your post, my initial thoughts are the same as yours. I too would use expanding foam, but and this is a huge but, are you expecting further movement? The fact that it has been there since 1881 tells me that if it is moving, it's doing so very slowly. Only a full survey can answer this most pressing question. Regards Paul Sharpington
Answered
1 September 2012
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