Rigid Foam Under Laminate Flooring

There are two ways to handle insulating concrete floors.

Rigid foam under laminate flooring.

5 8 tongue groove osb subfloor my question lies here laminate or vinyl floating plank flooring e g. Delta fl claims it is acceptable to lay floating plank flooring directly on top of it. You could also take down the garage cieling and put batt insulation between the joists then rigid foam under the joists then strapping and drywall. Laminate flooring has to have underlayment in order to float the flooring.

If you are installing a traditional hardwood floor you can install foam underlayment between the subfloor and the hardwood to provide noise. It s like the idea of sheathing a wall with rigid foam on the outside in the sense that we would have no thermal bridges instead that we would be doing an inside sheathing of the floor. Mary ostberg dec 22 2011 07 20am 9 the reason i started this question was that i didn t want to take the garage ceiling down so i was trying to insulate from the floor side instead of the garage ceiling side even though i know it s better. I was going to just roll out a layer of that approved thin laminate underlayment foam and then float the laminate over top of that but that will not provide the insulating value i desire.

Seal the joints with a sealing tape tyvek etc and then seal the bottom joint at the floor level and the top joint at the subfloor above with an expanding spray insulation foam use the one you would use for a window installation. You can attach wood sleepers to the floor fill the gaps with rigid foam insulation and then apply your finish flooring. Floor is flat no moisture issues walls are done with 3 foam. Obviously the main concerns are that the floor will eventually sink on some weight spots where people walk frequently or where heavy furniture is so i was thinking of two possible solutions for that.

How to use foam underlayment under a hardwood floor. I am finishing my basement floor. Or as demonstrated here you can cover the slab with rigid foam insulation add two layers of plywood and then add the finish flooring. There are lots of different underlayments to choose from for your specific needs.

Foam board insulation is used on attics and walls yet it can also be used to insulate your floors. 1 xps rigid foam. 1 1 2 rigid insulation can carry allot of weight so i figure if i lay laminate flooring right on top of the insulation i will be good to go. But insulating your floors is a good idea for many reasons including energy efficiency and height adjustments.

This is because the plank floor floats i e it need not be secured and the delta fl is rigid stable. If you re set on having insulation under your floor if you are set on having the warmth and insulation under your flooring we would suggest switching to laminate flooring. Pergo my question is this.