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6 Posts
Hello!
Thanks in advance for taking the time to read this. I'll try to keep it brief :wink2: My hubby and I own a 24 x 28 cabin in the mtns of northern Wyoming which needs lots of work. It's basically the shell of a tiny house right now. The original osb subfloor has extensive water damage. It will hold weight but is obviously warped and needs to go. It currently has a pier foundation under it consisting of pressure treated beams and basically concrete deck blocks. The crawl space is narrow, 12-14" , but I've managed to get under it and checked and the bottom looked in good shape. No visible termite, water, or rodent damage. My concern is that it's not just the subfloor thats warped. That maybe the blocks have settled over time or due to the frost(it gets down to -40 up in the mountains) and will worsen with added weight. Also the soil is dry and a mix of red clay and lava rock.
My question is this--- after I rip the floor up, would it be more prudent to dig and pour new concrete piers(mind you I'd have to dig past Wyoming's 60" frost line) OR should I reinforce and leave the old piers and maybe add concrete block and insulation to make a kind of shallow frost protected foundation of sorts ...???? Is mortar and block better than just plain block by itself? What would be the best option in the long run?
Any advice or recommendations are greatly appreciated!!!
Thanks in advance for taking the time to read this. I'll try to keep it brief :wink2: My hubby and I own a 24 x 28 cabin in the mtns of northern Wyoming which needs lots of work. It's basically the shell of a tiny house right now. The original osb subfloor has extensive water damage. It will hold weight but is obviously warped and needs to go. It currently has a pier foundation under it consisting of pressure treated beams and basically concrete deck blocks. The crawl space is narrow, 12-14" , but I've managed to get under it and checked and the bottom looked in good shape. No visible termite, water, or rodent damage. My concern is that it's not just the subfloor thats warped. That maybe the blocks have settled over time or due to the frost(it gets down to -40 up in the mountains) and will worsen with added weight. Also the soil is dry and a mix of red clay and lava rock.
My question is this--- after I rip the floor up, would it be more prudent to dig and pour new concrete piers(mind you I'd have to dig past Wyoming's 60" frost line) OR should I reinforce and leave the old piers and maybe add concrete block and insulation to make a kind of shallow frost protected foundation of sorts ...???? Is mortar and block better than just plain block by itself? What would be the best option in the long run?
Any advice or recommendations are greatly appreciated!!!