2 Inch Styrofoam Boards Under Garage Concrete Floor
Garage door insulation project guide.
2 inch styrofoam boards under garage concrete floor. What are some concrete finishers experience with this. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor temperatures. R 15 scored squared edge rigid foam board insulation. If i were to do this i would at least put 1 2 rebar on 16 2 grid.
Basement exterior wall foundation floor garage under slab. Get free shipping on qualified under slab foam board insulation or buy online pick up in store. Just put in a 2 3 inch rat slab build the main floor run a dehumidifier in the crawlspace for a year and no drama. Product width in.
Styrofoam brand scoreboard is an r 10 insulation board. With an r 5 value per inch the 2 in. Buy an auto mechanics scooter to make working in the crawlspace easy. He wants me to have styrofoam laid down under the basement floor when we pour it.
Place the insulation edge to edge using duct or other construction tape to hold the insulation together. When completed the entire slab area has a cover of rigid sheets of styrofoam. Place 2 inch thick pieces of rigid styrofoam insulation on top of the plastic sheeting. A common design assumption leads to specification of rigid foam strengths that are many orders of magnitude higher than necessary which can double the insulation material cost.
While i don t think there is a huge difference whether the poly goes directly under the concrete between the foam or under the foam i still see a. Basement exterior wall foundation under slab. Under concrete is a special high density eps foam product designed for applications which require fresh concrete to. I have heard that the slab will most likely have lots of cracks in it.
I have asked around locally but it doesnt seem to be real popular here. Some types of thicker foam board insulation are available but they may need to be special ordered. One of the best ways to save money on rigid foam insulation installed under concrete slabs is to ensure the material is not over engineered. Foamular foamular 250 3 in.