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Insulating an old house

Hello :)

So this is our situation. BACKSTORY: I inherited 4 little houses right next door to each other in Kentucky that are all mortgage free BUT need ALOT of work. They have been lived in by family members with pretty much very very little upkeep done on any of them. 2 were built in 1920's, and 2 were built in 1950's. I plan on working on them 1 at a time, first doing the one I plan on living in so that I can save money to slowly put into the others to fix up. My plan is to definitely get some professional help for most of it (i.e. update plumbing, new hvac, roof).

Okay, so this is the situation: house 1 is approx 700 sq foot aluminum siding with a sturdy cement crawlspace foundation. After doing major clean up and demolition of faux wood panels and sheet rock of the interior walls, I found TONS of what looks like vertical shiplap.

HOWEVER the walls leading to the exterior have vertical shiplap with a few horizontal 2x4's and what appears to be 1x6 verticals ran flat that had newspapers stuffed between for insulation. that have want appears to be no 2x4 studs. I'm now at a complete loss on how to insulate. Do I need to install vertical 2x4's and reframe?

Thank you all in advance for any help with this!! Im sorry, Im having a hard time downloading pics. picture 1 https://drive.google.com/file/d/0B-cH6p6OAAYrWF8zZEctU2MyOFE/view ; picture 2 https://drive.google.com/file/d/0B-cH6p6OAAYrd3BDaHY3V0lncWs/view?usp=sharing


Re: Insulating an old house

People fall for rich architecture for their homes but often go crazy about heating and cooling bills. All houses built before 1960’s are definite to have little to no insulation. Before you start your project check for recommended levels of insulation for your climate zone.
Start with your attic where the majority of heat loss and gain occurs in your attic. Adding batt insulation on the underside of the roof would be a good option. Take measurements of the roofs, bigger the roofs, thicker the insulation you can fit. Check for the spacing of the rafters. Get the floor of the attic insulated by blowing in cellulose insulation.
Insulate the walls. Remove and mark siding from the wall. Drill an access hole, fill with insulation, patch up.
Similarly, insulate floors by installing batts into the stud bays of floor joists.
Spray foam insulation is a good option which can be applied to cracks and crevices on concrete slabs. Check this informative article on the pros and cons of spray foam insulation http://canglow.ca/advantages-and-disadvantages-of-spray-foam-insulation/. Its advantages include effective insulation for walls and ceilings and is eco-friendly. But on the other hand, they are expensive and not thick enough.

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