{"title":"Surface Prep \u0026 Underlayment","description":null,"products":[{"product_id":"70-192","title":"TriGuard Underlayment for LVP, WPC, SPC, LRC Flooring - 100 s.f.","description":"ROBERTS® TriGuard™ Underlayment is engineered for use with Luxury Vinyl Plank (LVP), Wood-Plastic Composite (WPC), Stone Plastic Composite (SPC) and Laminate Rigid Core (LRC) Flooring. Its polypropylene foam construction ensures mold and mildew protection, as well as unparalleled moisture resistance up to 85% RH. TriGuard exceeds building code sound dampening requirements with the highest Delta IIC in the industry for all floors of high-rise construction and provides superior compression strength to protect floating-floor locking systems against damage from breakage. This premium underlayment features an adhesive strip and overlap lip for easier installations and is compatible with radiant-heated floors.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906008068315,"sku":"70-192","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-192_TriGuard-Underlayment-for-LVP-WPC-SPC-LRC-Flooring-100-sf_1_t9vembl3vbxr_20260623.jpg?v=1782401888"},{"product_id":"72005q","title":"Natural Cork Underlayment Sheets - 6 mm - 30 sq. ft. (5 sheets)","description":"QEP's Natural Cork Underlayment is an outstanding sound barrier for all types of flooring. Besides being an environmentally friendly option, cork is also a healthy choice. It's naturally hypoallergenic, as well as mold and mildew resistant. Natural Cork Underlayment reduces sound transmission and helps protect flooring from the transfer of subfloor stress cracks. It also reduces thermal transmission, making it ideal for use with radiant heat systems. QEP Natural Cork products are FloorScore Certified for healthier indoor air quality may contribute towards satisfying credits under the LEED Green Building Program.","brand":"QEP","offers":[{"title":"Default Title","offer_id":48906008723675,"sku":"72005Q","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/QEP_72005Q_Natural-Cork-Underlayment-Sheets-6-mm-30-sq-ft-5-sheets_1_ir7f3pxcltao_20260623.jpg?v=1782401888"},{"product_id":"70-190a","title":"Super Felt Insulating Underlayment Roll - 3 mm - 100 sq. ft.","description":"The ROBERTS® 70-190-A Super Felt Premium Underlayment is a 3 mm thick insulating underlayment manufactured to reduce noise and help cushion flooring. By absorbing noise instead of deflecting it, Super Felt reduces sound transmission. This felt underlayment is made from recycled fibers and compressed using a high heat manufacturing process. The film overlay protects engineered and laminate flooring from any moisture from the subfloor. It includes an adhesive strip, and 2-1\/2\" overlap film for linking multiple rolls.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906010591451,"sku":"70-190A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-190A_Super-Felt-Insulating-Underlayment-Roll-3-mm-100-sq-ft_1_wcfjjpxa4ilj_20260623.jpg?v=1782401888"},{"product_id":"70-010","title":"Serenity Foam Underlayment Roll - 100 sq. ft. (48\" x 25')","description":"ROBERTS Serenity Polyethylene Foam Underlayment is designed for use under floating laminate and engineered wood flooring. It adds cushioning and compensates for minor imperfections in the subfloor. Serenity can be used alone in above-grade installations and in conjunction with a moisture barrier for below grade.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906010951899,"sku":"70-010","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-010_Serenity-Foam-Underlayment-Roll-100-sq-ft-48-in-x-25-ft_1_etupwi8grsza_20260623.jpg?v=1782401887"},{"product_id":"70-195","title":"Aquabar \"B\" Moisture Vapor Barrier Roll - 500 sq. ft. (3' x 167')","description":"Aquabar \"B\" floor and tile underlayment is an extremely effective moisture vapor retarder for use in a variety of interior construction applications. Consisting of two layers of Kraft paper laminated with asphalt, Aquabar \"B\" is a non-reinforced 30\/30\/30 duplex type Grade \"B\" paper. In the battle against interior moisture damage, the best defense is a strong offense. When you block moisture vapor from creeping underneath finish materials or reaching moisture sensitive substrates, you help increase the useful life and appearance of surface finishes. To help win the battle, the Fortifiber Building Systems Group offers Aquabar \"B\" as a great tile underlayment and inexpensive insurance to reduce moisture-related problems.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906012655835,"sku":"70-195","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-195_Aquabar--inB-in-Moisture-Vapor-Barrier-Roll-500-sq-ft-3-ft-x-167-ft_1_dzbekdavjzx3_20260623.jpg?v=1782401887"},{"product_id":"70-105","title":"AirGuard Premium Underlayment w\/ Microban for Laminate \u0026 Engineered Wood - 100 s.f. (9.3 s.m.)","description":"ROBERTS® AirGuard® Premium Underlayment is rated #1 for use under laminate and engineered wood flooring. AirGuard features an innovative AirFlow Technology that releases trapped moisture as a vapor to prevent damage to floors and subfloors. Its 3-layer design protects laminate and engineered hardwood flooring: The top layer is made of an impermeable film that keeps moisture away from flooring; the middle layer consists of thousands of cushioning, stabilizing polyshims that support the finished flooring; and the bottom layer is a permeable film that wicks moisture up from concrete or wood subfloors. ROBERTS AirGuard is the first underlayment to include MICROBAN® antimicrobial protection to safeguard the floors against moisture, mold, mildew and odor-causing bacteria. Recommended for residential and commercial applications, AirGuard is made in the USA.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906013212891,"sku":"70-105","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-105_AirGuard-Premium-Underlayment-w--Microban-for-Laminate--Engineered-Wood-100-sf-93-sm_1_jvdsmpxpljw8_20260623.jpg?v=1782401887"},{"product_id":"70-197","title":"Sound Barricade Underlayment Roll - 200 sq. ft. (36\" x 66')","description":"ROBERTS® SoundBarricade® Universal Sound Control Underlayment provides superior acoustical properties under luxury vinyl tile and planks, laminate, SPC, engineered wood and hardwood flooring. It is ideal for use with floating floors, stapled, nailed, single-glue down and double-glue down applications. SoundBarricade’s unique high-density rubber blend retains its shape and cushioning to maintain the integrity of the flooring and improve the room acoustics. Protect your investment with SoundBarricade.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906013245659,"sku":"70-197","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-197_Sound-Barricade-Underlayment-Roll-200-sq-ft-36-in-x-66-ft_1_iigycfbmfb74_20260623.jpg?v=1782401887"},{"product_id":"70-175","title":"Natural Cork Underlayment Sheets - 6 mm - 300 sq. ft. (50 sheets)","description":"ROBERTS Natural Cork Underlayment is an outstanding sound barrier for all types of flooring. It reduces sound transmission, and helps to protect the floor against the transfer of stress cracks from the subfloor through to flooring surfaces. It also reduces thermal transmission, making it ideal for use with radiant heat systems. Easy to install in both glue-down and loose lay configurations, it is naturally hypoallergenic, mold and mildew resistant. ROBERTS Natural Cork products are FloorScore Certified for healthier indoor air quality and may contribute towards satisfying credits under the LEED Green Building Program. Contains 50 sheets measuring 2 ft. x 3 ft. x 6 mm for a total of 300 sq. ft. coverage.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906014982363,"sku":"70-175","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-175_Natural-Cork-Underlayment-Sheets-6-mm-300-sq-ft-50-sheets_1_uit5jmjklmnh_20260623.jpg?v=1782401888"},{"product_id":"70-025","title":"Unison Premium 2-in-1 Underlayment Roll - 100 sq. ft. (48\" x 25')","description":"Unison® 2-in-1 Underlayment for laminate and engineered wood flooring is designed with 3\/32 in. polyethylene foam for cushioning and a 2 mil thick top film to protect floors from harmful moisture vapor. Designed for on- or above-grade applications, as well as below grade when used with a moisture barrier. It's easy to install with a plastic overlap and adhesive strip to join multiple rolls. Unison's foam construction also reduces everyday surface noise.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906015178971,"sku":"70-025","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-025_Unison-Premium-2-in-1-Underlayment-Roll-100-sq-ft-48-in-x-25-ft_1_pjwaei2mrgm3_20260623.jpg?v=1782401887"},{"product_id":"70-198","title":"Silicone Moisture Barrier Roll - 200 sq. ft. (33.5\" x 72')","description":"ROBERTS® Silicone Moisture Barrier Underlayment is designed to protect floors from moisture, without trapping it underneath the floor covering.  It is made from  100 percent recycled contents that are environmentally safe, and a baked silicone coating that provides moisture impermeability under wood flooring. As a recycled product, it may have slight color variations that do not affect the quality of the product or its performance. Its smooth top surface allows to mark chalk lines and to slide the planks into position, making it easy to install.  It  meets the perm ratings recommendation by the National Wood Flooring Association (NWFA) for staple and nail-down installations of solid and engineered wood floors.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906016489691,"sku":"70-198","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-198_Silicone-Moisture-Barrier-Roll-200-sq-ft-335-in-x-72-ft_1_rgc7ixv5nc5j_20260623.jpg?v=1782401888"},{"product_id":"fs410-4","title":"FS410 First Step Encapsulator Adhesive Residue Isolator-4 Gal\/15.14 L","description":"ROBERTS® FS410 First StepTM ENCAPSULATOR is a high-strength polymer formulated to isolate adhesive residues including old cutback. Highly reactive, black asphalt-based cutback should be processed to remove trowel ridges so that only a thin, level film remains. Old cutback can react negatively with new adhesive, destroying the bond if not removed or encapsulated. FS410 ENCAPSULATOR can isolate the remaining cutback residue to prevent possible staining and damage to new adhesive and flooring. It provides a clean, neutral surface for installing new adhesive and flooring to ensure proper bonding.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906016686299,"sku":"FS410-4","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_FS410-4_FS410-First-Step-Encapsulator-Adhesive-Residue-Isolator-4-Gal-1514-L_1_uaatjl3rjfpi_20260623_8c8f3d34-af25-4b54-9d3a-30072176c93b.jpg?v=1782639202"},{"product_id":"72003q","title":"Natural Cork Underlayment Roll - 6 mm - 100 sq. ft. (4' x 25')","description":"QEP's Natural Cork Underlayment is an outstanding sound barrier for all types of flooring. Besides being an environmentally friendly option, cork is also a healthy choice. It's naturally hypoallergenic, as well as mold and mildew resistant. Natural Cork Underlayment reduces sound transmission and helps protect flooring from the transfer of subfloor stress cracks. It also reduces thermal transmission, making it ideal for use with radiant heat systems. QEP Natural Cork products are FloorScore Certified for healthier indoor air quality and may contribute towards satisfying credits under the LEED Green Building Program.","brand":"QEP","offers":[{"title":"Default Title","offer_id":48906018947291,"sku":"72003Q","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/QEP_72003Q_Natural-Cork-Underlayment-Roll-6-mm-100-sq-ft-4-ft-x-25-ft_1_yar8vjihwiet_20260623.jpg?v=1782401888"},{"product_id":"70-102-1","title":"First Step Premium 3-in-1 Underlayment Roll - 630 sq. ft.","description":"ROBERTS® First Step® Premium 3-in-1 Underlayment is ideal for use under laminate and hardwood floating floors.  It can be used over concrete and wood subfloors, and because of its sound resistant qualities, it reduces ambient noise, making it great for use in condos and multi-level dwellings.  This premium underlayment features  Air Flow Technology to minimize the damage cause by trapped moisture,  a 3-layer design with polystyrene beads to allow moisture to flow to the exterior walls to be released safely,  and a 2-mil top layer that protects the finished floor from subfloor moisture. It offers outstanding compression resistance and mold \/ mildew defense. For residential and commercial use, it can be installed below, on, and above grade. This 630 sq. ft. roll measures  40\" x 189\".","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906019700955,"sku":"70-102-1","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-102-1_First-Step-Premium-3-in-1-Underlayment-Roll-630-sq-ft_1_ycq0asor3cbk_20260623.jpg?v=1782401888"},{"product_id":"fs400-4","title":"FS400 First Step Primer - 4 Gal. \/ 15.14 L Pail","description":"ROBERTS® FS400 First StepTM PRIMER is formulated to ensure proper adhesion of flooring to porous substrates. FS400 prevents over-absorption of adhesives to create a uniform finish and can help protect the adhesive and flooring from alkalinity. FS400 PRIMER provides a better adhesion surface for a professionally finished floor. 4-gallon pail includes a pour spout lid for easy dispensing.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906020290779,"sku":"FS400-4","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_FS400-4_FS400-First-Step-Primer-4-Gal-1514-L-Pail_1_xqyv97onv2pf_20260623_9f702f9d-3408-492d-b5cc-c95ae4f3b98a.jpg?v=1782639202"},{"product_id":"72008q","title":"Natural Cork Underlayment Roll - 3 mm - 200 sq. ft. (4' x 50')","description":"QEP's Natural Cork Underlayment is an outstanding sound barrier for all types of flooring. Besides being an environmentally friendly option, cork is also a healthy choice. It's naturally hypoallergenic, as well as mold and mildew resistant. Natural Cork Underlayment reduces sound transmission and helps protect flooring form the transfer of subfloor stress cracks. It also reduces thermal transmission, making it ideal for use with radiant heat systems. QEP Natural Cork products are FloorScore Certified for healthier indoor air quality and may contribute towards satisfying credits under the LEED Green Building Program.","brand":"QEP","offers":[{"title":"Default Title","offer_id":48906020978907,"sku":"72008Q","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/QEP_72008Q_Natural-Cork-Underlayment-Roll-3-mm-200-sq-ft-4-ft-x-50-ft_1_jgouromdmlih_20260623.jpg?v=1782401888"},{"product_id":"70-115","title":"Moisture Barricade 6 mil Polyethylene Film Roll - 120 sq. ft.","description":"ROBERTS® Moisture Barricade is designed for use with vinyl, laminate, SPC and engineered wood flooring to protect finished floors against moisture damage. Recommended by the National Wood Flooring Association (NWFA), this 6-mil thick polyethylene film is a Class 1 moisture barrier over concrete subfloors that rotects and extends the life of your floors. Featuring a convenient adhesive strip to help join the film seams and seal out moisture, Moisture Barricade helps save time during installation as well as extends the life of your floors. Can also be used with standard underlayments as an additional layer of moisture protection.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906021142747,"sku":"70-115","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-115_Moisture-Barricade-6-mil-Polyethylene-Film-Roll-120-sq-ft_1_cqinourdwyen_20260623.jpg?v=1782401887"},{"product_id":"70-180","title":"Quiet Cushion Premium Acoustical Underlayment Roll - 100 sq. ft.","description":"Quiet Cushion is a premium acoustical underlayment made up of sound dampening high-performance cross-linked foam with an overlapping film for extra moisture protection at the joints. The extra fine foam offers advanced moisture protection and shock absorption. Utilizing this Progressive Foam Technology (PFT), Quiet Cushion is designed for supreme sound reduction, with a Delta rating of 21, one of the highest in the industry. For use under engineered and laminate flooring.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906021372123,"sku":"70-180","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-180_Quiet-Cushion-Premium-Acoustical-Underlayment-Roll-100-sq-ft_1_qqthswew0huv_20260623.jpg?v=1782401887"},{"product_id":"70-026","title":"Black Jack Floating Floor Cushion Underlayment Roll - 100 sq. ft.","description":"The ROBERTS Black Jack 2-in-1 Underlayment is designed for use under floated laminate, bamboo and engineered wood floors and is ideal for many types of subflooring. Black Jack is engineered as a superior grade, 2-in-1 underlayment with a 2.5 mm thick foam layer that provides optimal cushioning and sound absorption, as well as a closed cell foam design that offers excellent moisture vapor resistance. The underlayment also features a 4 in. overlap and adhesive strip to seal out moisture and join multiple rolls.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906024321243,"sku":"70-026","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-026_Black-Jack-Floating-Floor-Cushion-Underlayment-Roll-100-sq-ft_1_dhucideortmi_20260623.jpg?v=1782401887"},{"product_id":"110622","title":"Premium Cork Underlayment Sheets - 6 mm - 150 sq. ft. (2' x 3')","description":"Capitol® Premium Cork Underlayment Sheets are designed for use with ceramic tile, stone, marble, glued wood flooring and floating floor systems.  This Natural Cork Underlayment  protects your floor against stress cracks transferring from the subfloor to flooring surfaces, and reduces thermal transmission, making it ideal for radiant flooring. It reduces sound transmission and makes an excellent sound barrier for all flooring types. Naturally hypoallergenic, this environmentally-friendly cork underlayment contributes to a healthier indoor air quality. Capitol® Premium Cork Underlayment Sheets may contribute towards satisfying credits under the LEED Green Building Program.","brand":"Capitol","offers":[{"title":"Default Title","offer_id":48906024452315,"sku":"110622","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/Capitol_110622_Premium-Cork-Underlayment-Sheets-6-mm-150-sq-ft-2-ft-x-3-ft_1_zqxkbx2mepsj_20260623.jpg?v=1782401887"},{"product_id":"110650","title":"Premium Natural Cork Underlayment Roll - 6 mm - 100 s.f. (4' x 25')","description":"This Natural Cork Underlayment  protects your floor against stress cracks transferring from the subfloor to flooring surfaces, and reduces thermal transmission, making it ideal for radiant flooring. It reduces sound transmission and makes an excellent sound barrier for all flooring types. Naturally hypoallergenic, this environmentally-friendly cork underlayment contributes to a healthier indoor air quality. Capitol Premium Cork Underlayment Rolls may contribute towards satisfying credits under the LEED Green Building Program.","brand":"Capitol","offers":[{"title":"Default Title","offer_id":48906026418395,"sku":"110650","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/Capitol_110650_Premium-Natural-Cork-Underlayment-Roll-6-mm-100-sf-4-ft-x-25-ft_1_cgvvpafio2dl_20260623.jpg?v=1782401888"},{"product_id":"70-113","title":"AcoustiShield Premium Underlayment for Luxury Vinyl Plank - 100 sf","description":"ROBERTS® AcoustiShield™ premium LVP underlayment’s unique crosslinked polypropylene foam technology provides superior sound ratings (71 IIC, 65 STC and Delta IIC 24). In addition to its superior compression strength, moisture resistance and mold \/ mildew defense, AcoustiShield has exceptional structural integrity and stability providing flat placement, straight corners and crisp edges to help ensure a successful installation for the life of your floors. Ideal for installation of Luxury Vinyl Plank (LVP) flooring, it can be used with laminate, engineered wood, luxury vinyl tile (LVT), engineered vinyl plank, stone polymer composite (SPC), and wood plastic composite (WPC) flooring applications.","brand":"ROBERTS","offers":[{"title":"Default Title","offer_id":48906029793499,"sku":"70-113","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/files\/ROBERTS_70-113_AcoustiShield-Premium-Underlayment-for-Luxury-Vinyl-Plank-100-sf_1_s4r2pvq9turu_20260623.jpg?v=1782401888"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4066\/3515\/collections\/Surface-Prep-and-Underlayment_2500x651px.jpg?v=1781821722","url":"https:\/\/www.qep.com\/collections\/surface-prep-and-underlayment.oembed","provider":"shopQEP.com","version":"1.0","type":"link"}