Sub Floor Insulation Foam
Insul armor insulated subfloor is a simple solution to provide warmth comfort and moisture protection for finished flooring over cold hard and damp concrete floors.
Sub floor insulation foam. Rest assured plumbing and wiring by code are always located at or around the edge of joists of 90mm and foam comes to 75mm. Sub floor warning for older homes. Junction boxes if present can be sealed and identified for future electrician inspection work.
Available in a range of sizes light in weight and quick to install the expol system is an easy diy project and a smart way to start saving money on your energy bills. Encapsulating the floor system including duct work with thermo cloth and closed cell spray foam insulation creates a perfect wood framed floor system. The top layer of subfloor steps back and gets a layer of peel and stick flashing tape to form pan flashing under the sliding doors.
Some customers are concerned regarding wiring and plumbing being compromised by foam. Underfloor insulation if you have you an access hatch that allows you to get into the crawlspace void below the floorboards this is a relatively easy process if not you will have to take up. The polyethylene sheet becomes part of a continuous air barrier for the home.
Is spraying a thicker foam to reach r19 or higher a reasonable solution in this application. The foam butts against the mudsills for a complete thermal break. You want it snug but not to.
If you properly insulate your crawlspace in addition to air sealing and controlling. For insulating truss floor systems it s better to have netting or foam board insulation installed to the underside of the floor trusses. The inside of the rim joist is sprayed from the sub floor to the bottom of the rim joist to drop the building envelope to the bottom of the joists.