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Its time for me to tackle this issue of my house and I need some advise on how to proceed.
2 places are showing a considerable amount of floor sag (1/2″ space under door trim). The major area is between the Living and Dining rooms. There were french doors separating the rooms (long since gone by the looks of the hinge mortises). The original heating plant appears to have been hot air ,probably coal furnace in this area, and the heat grate seems to have been situated under those doors. The floor shows a repair in the area now. In the basement, the floor joists in that area had been headered off with single members (full 2×6’s i believe). Now I assume what I should do is to gently jack up the floor on both side of this area and then insert a filler piece in an attempt to make a continuous joist. Would this be the correct approach? Any suggestions?
The 2nd area is the doorway between Dining and Kitchen. This area of sag I believe is partially related to the first and partially due to another area where the floor joist are not continuos members. Around the chimney the joists were boxed off and the sagging area is along these joists. Any suggestions here? btw…I will try to attach a very crude drawing to illustrate…the box closest to the centerbeam is the chimney. The paintbrush marks are where the sags are.
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You cant get any good reading on this wothout some measurements. Break out your tape measure.
*Thanks Ron,I didnt have the numbers here at work, but post them when I get home. Roughly, the whole width of the house is 28-ish feet and main beam is roughly center.As I said though...I'll post real numbers when I get home.
*We need to know the dimensions of the lumber, by what you said we can assume the lumber stretches over a 14 I span . If it is all 2x6 you need some big help . I hope you have at least 2x10 and even that cuts it close. Get the right numbers on the span and lumber dimensions and transfer these to your drawing and make a note of the size of the center beam .
*Well, Finally got the measures...Joists are full dimension 2X8's. Span from center beam to foundation is 11' 9". (guesstimate was a bit off in previous post!)From the drawing:A= a double 2x8 49 1/2" long.B= a double 2x8 47 1/2" long.C= a single 2x8 105" long.Center beam dimension is 5 1/2" x 8".hope this helps...
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Its time for me to tackle this issue of my house and I need some advise on how to proceed.
2 places are showing a considerable amount of floor sag (1/2" space under door trim). The major area is between the Living and Dining rooms. There were french doors separating the rooms (long since gone by the looks of the hinge mortises). The original heating plant appears to have been hot air ,probably coal furnace in this area, and the heat grate seems to have been situated under those doors. The floor shows a repair in the area now. In the basement, the floor joists in that area had been headered off with single members (full 2x6's i believe). Now I assume what I should do is to gently jack up the floor on both side of this area and then insert a filler piece in an attempt to make a continuous joist. Would this be the correct approach? Any suggestions?
The 2nd area is the doorway between Dining and Kitchen. This area of sag I believe is partially related to the first and partially due to another area where the floor joist are not continuos members. Around the chimney the joists were boxed off and the sagging area is along these joists. Any suggestions here? btw...I will try to attach a very crude drawing to illustrate...the box closest to the centerbeam is the chimney. The paintbrush marks are where the sags are.