MJBaldwin Posted September 7, 2018 Share Posted September 7, 2018 Quick question - I got a bunch of R19 insulation for free last night from a new storage facility that was being modified. This is less than 1.5 years old. This is for my garage although I have 2x4 walls. Whats my best option here... Cram it into the 2x4 or rip about 1/3 off of it and put into the 2x4 wall? I know it decreases the Rvalue by cramming it in so just would like others opinions... Again this is a garage although I will be heating it and will have blow-in insulation in the ceiling (future project). Quote Link to comment Share on other sites More sharing options...
PurpleFloyd Posted September 7, 2018 Share Posted September 7, 2018 Fir out the walls with 2*2's so you have a thicker wall and use the r-19. It will pay for the cost of lumber with the additional energy savings. Jmho Hoey and Mike89 2 Quote Link to comment Share on other sites More sharing options...
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