![For an ongrade concrete sub floor under laminate floor, is foam or felt/fiber underlayment better? - MP Global Products, LLC For an ongrade concrete sub floor under laminate floor, is foam or felt/fiber underlayment better? - MP Global Products, LLC](https://mpglobalproducts.com/wp-content/uploads/2018/08/foam-vs-felt-underlayment-concrete-subfloor-1.jpg)
For an ongrade concrete sub floor under laminate floor, is foam or felt/fiber underlayment better? - MP Global Products, LLC
![FloorComfort 4-ft W x 25-ft L x 5 T Premium Foam Moisture Resistant Flooring Underlayment (100-sq ft / (Fan fold) in the Flooring Underlayment department at Lowes.com FloorComfort 4-ft W x 25-ft L x 5 T Premium Foam Moisture Resistant Flooring Underlayment (100-sq ft / (Fan fold) in the Flooring Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/34fa6606-bd24-453f-b2cd-4e8c3df85778/44033750.jpg)
FloorComfort 4-ft W x 25-ft L x 5 T Premium Foam Moisture Resistant Flooring Underlayment (100-sq ft / (Fan fold) in the Flooring Underlayment department at Lowes.com
![ROBERTS Super Felt 360 sq. ft. 60 in. x 72 ft. x 3 mm Felt Cushion Underlayment Roll for Engineered Wood and Laminate Flooring 70-193 - The Home Depot ROBERTS Super Felt 360 sq. ft. 60 in. x 72 ft. x 3 mm Felt Cushion Underlayment Roll for Engineered Wood and Laminate Flooring 70-193 - The Home Depot](https://images.thdstatic.com/productImages/45b30dd5-f572-4fb3-ba5b-b7c417f442df/svn/roberts-underlayment-70-193-64_1000.jpg)