Apply two coats of epoxy paint over the existing slab. The area should be clear of dust and debris. Install rigid foam insulation (XPS or EPS Type II) with the seams taped (see Figure 3). Install 1×4 furring strips at 16 inches o.c. and attach them to the concrete slab through the rigid foam insulation.
How do you install rigid foam insulation on a concrete floor?
Apply two coats of epoxy paint over the existing slab. The area should be clear of dust and debris. Install rigid foam insulation (XPS or EPS Type II) with the seams taped (see Figure 3). Install 1×4 furring strips at 16 inches o.c. and attach them to the concrete slab through the rigid foam insulation.
Can rigid insulation be glued?
You can glue it together with almost anything . The key is to make sure you actually clamp it/ weigh it down while it dries. Depending on what you hope the outcome is you can use liquid nails, wood glue, and even foam insulation spray or panel foam adhesive to join pieces together.
How do you attach Styrofoam to concrete?
- Place a small amount of the construction adhesive on a hidden portion of the styrofoam and allow it to dry. ...
- Apply a thick line of construction adhesive around the perimeter of the styrofoam surface that will contact the wall.
What is the best adhesive for rigid foam insulation?
Loctite® PL® 300 VOC Foamboard Adhesive is a premium-grade formulation for bonding foam board insulation to a variety of surfaces, both interior and exterior. It is compatible with all foam board insulation products and can bond to wood, concrete, brick, and drywall.
What kind of insulation goes under slab?
Two of the rigid foam insulations most commonly used below grade and under slabs are expanded polystyrene (EPS) and extruded polystyrene (XPS) . Although both are closed cell insulations, they perform very differently over the long term.
What is the best insulation for concrete floors?
EPS is a good choice for insulating a concrete floor because it has a long term R-value, alongside a consistent level of thermal resistance, and it is produced in easy to manage sheets to allow easy installation.
Will Liquid Nails melt foam board?
One of my personal favorites for foamboard is foam construction adhesives such as Loctite PL 300 Foamboard VOC Latex Construction Adhesive, Loctite Power Grab All Purpose Construction Adhesive, or Liquid Nails LN604 Projects & Foamboard Adhesive. Construction adhesives will melt with 2 lb.
Can I glue rigid foam to concrete?
Polystyrene foam boards, commonly called foamboard, are a clean, lightweight, convenient way to insulate bare concrete walls. ... There are a few ways to install the boards, but adhesive that is made for polystyrene is quick and doesn’t require furring strips on the wall the way nailed installation techniques do.
Does foam board insulation need to be covered?
A: No. To comply with building codes, all foam plastics must be covered with a 15 minute thermal barrier . Gypsum board, 1⁄2” thick is a common covering. Q: Can FOAMULAR® be used as interior basement wall insulation?
What adhesive can you use on polystyrene?
Cyanoacrylates – All Permabond cyanoacrylates bond well to polystyrene. Use only enough adhesive to cover the joint, then assemble as soon as practical. For best appearance use a low odor grade such as Permabond 940. Two component epoxies bond well to polystyrene.
Do you need Vapour barrier with rigid foam?
Rigid foam insulation is it’s own vapour barrier in this application, so you don’t need to use the poly. Just make sure you tuck tape all the joints. ... Yes, you can go right over your existing blown in insulation with batt insulation, just make sure you butt the batts up tight against one another so there are no gaps.
How do you install rigid insulation?
- Measure the Project Area. Measure the entire wall area to figure out the amount of rigid foam to purchase. ...
- Measure Individual Cavities. Measure each bay individually. ...
- Mark and Cut the Rigid Foam. ...
- Install the Rigid Foam Insulation. ...
- Seal the Gaps in the Insulation.
Does Gorilla Glue work on foam board?
White Gorilla Glue is a 100% waterproof glue, safe for indoor and outdoor use and strong enough to stand up to the elements. The white glue easily bonds foam, wood , metal, ceramic, stone and much more!
