You have 12mm (1/2") over 10 ft (lowest to highest = 10 ft.total expanse = 20 ft). 1) Most rigid floors require 3mm over 10 feet (this is considered "very flat").
My cork floating floors allow 3mm over 3 feet. A floor with 1/2' floor height difference over 20 feet is well outside of any rigid floors allowance. Most floors have limits as to how flat or wavy the subfloor can be. The peparation (read: acclimation, subfloor prep, etc) can be enough to make experienced flooring installers run away and cry. Bamboo is very, very very difficult to work with. Container living is coming into vogue and will be come an accepted "alternative" to permanent housing fairly soon. Not to make light of your situation, I admire the attempt at going green/reduce/reuse/recycle. What is built may already be an overly complicated geometry that is likely to leak in the future.ĭun Dun Duuuun! I smell expensive oopsa. If possible photos of the new roof where it meets the old roof from up on top of the roof. On that note, I would be curious to see more of the built roof. This would use the chimney to hide the elevation difference, but the detailing will need to be carefully thought through so that a complicated roof geometry that is likely to leak isn't just hidden behind the chimney.Īnother option may be to make the eaves of the addition deeper or shallower that the original house and just embrace that they are intentionally different. On a simpler fix, the portion of existing roof between the chimney and addition could be removed and rebuilt to match the new addition. That is really the only way for the eaves of your old and new house to come to the same height. Solutions include redesigning and completely rebuilding the roof on the most drastic end. That in addition to the taller rafters sitting on what seems to be the same height wall is causing the roof to miss slightly at the line of the wall, and miss by a lot out at the eaves.Īs I look at the elevation drawing, I would say this is a case of a design that was not fully thought through in the design phase and is likely (though I do not have all of the information to say for certain) the fault of the designer. It's hard to tell with the extent of information posted what exactly is going on, but it appears that the primary cause of the awkward conditions is that the slope of the addition roof is shallower than the slope of your existing roof.
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