FOAMULAR NGX F-150 1 in. x 4 ft. x 8 ft. SSE R-5 XPS Rigid Foam Board Insulation
- Saves energy and resists moisture with limited lifetime warranty
- Blocks mildew, corrosion and rot; easy to cut and install
- Strong, lightweight pink foam panels don't require special tools
- View More Details
Product Details
A Home is a Fortress
It keeps comfort and safety in - and the other stuff out. Help create the year-round protection every home deserves with proven solutions that work where and when you need them most.
Introducing FOAMULAR NGX*
FOAMULAR NGX delivers a 90% reduction in blowing agent global warming potential (GWP)*.
Choose Above- and Below-Grade Protection
FOAMULAR NGX provides continuous insulating power around the entire home from the foundation to the roofline and all kinds of spaces in between.
Insulating Basement Walls
Owens Corning FOAMULAR NGX is the easy-to-install insulating solution for basement walls. Get added comfort with PINK Fiberglas insulation and finish with drywall board.
Insulating Foundation Walls
FOAMULAR NGX is ideal for insulating exterior foundation walls. Extremely durable, it can withstand up to 15-25 psi and resists common acid soils and decay.
Insulating Underslab
The superior moisture resistance of FOAMULAR NGX makes it the ideal choice to insulate under the slab of your home, garage or shed.
Insulating in a Crawlspace
The crawl space is often overlooked, but it is an important area to insulate. Using FOAMULAR NGX in conjunction with a 15 minute thermal barrier can help keep your home more comfortable.
Superior Moisture Resistance
Virtually impervious to moisture. FOAMULAR has up to 10X more resistance to water than EPS insulation.
Durable, Yet Flexible
A wide range of compressive strengths –up to 100 psi – to handle heavy loads.
Easy to Cut, Form and Fit
Easy to handle, score, cut and install; no special tools needed.
Outstanding Insulating Properties
High, stable R-value (5 per inch of product thickness) - more than wood fiber, plywood or 1/2” gypsum board.
Eliminates HFC 134A
Completely eliminates use of HFC 134a.
Lifetime Guarantee
The only XPS with a limited lifetime warranty that guarantees a minimum 90% of R-value for the life of the product.
Owens Corning FOAMULAR NGX (Next Generation Extruded) insulation, is produced with a proprietary blowing agent that delivers a 90% reduction to Global Warming Potential (100 year) compared to current FOAMULAR. The new formulation and production process meets or exceeds new, more stringent regulatory standards without sacrificing product performance and offers a comprehensive line of products in a wide choice of sizes, thicknesses and edges with a Lifetime limited warranty for the life of the home or building. Foam insulation boards are easy to handle, score, cut and install & no special tools are needed. Foam insulation products can be used on wood, steel framing or concrete walls. FOAMULAR NGX resists moisture and retains R-value even after exposure to standing water and wet soil. Owens Corning FOAMULAR NGX insulation offers all the physical properties and ease-of-use you expect from Owens Corning FOAMULAR insulation with industry-leading sustainability.
- Completely eliminates use of HFC 134a
- Manufactured with a blowing agent formulation that delivers a 90% reduction to global warming potential (100-year)1
- Excellent energy efficiency in the form of a high R-5 per inch
- Extremely low water absorption potential, delivering superior R-value retention in the presence of water
- Wide range of compressive strengths - up to 100 psi - to handle heavy loads
- Only XPS with a limited lifetime warranty that guarantees a minimum 90% of R-value for the life of the product
- FOAMULAR is not rated for STC (sound transmission) and does not have any soundproofing properties. Owens Corning fiberglass batts and rolls are great options for acoustic applications.
- When using foamular or any low perm insulation, always verify the moisture vapor flow and dew point characteristics of the wall system, please check your local building codes for vapor retarder/barrier information
- Being used in an interior construction application, painting the fo is not recommended as foamular cannot be left exposed and will need to be covered by a 15-minute thermal barrier such as drywall
- If being used for crafts, acrylic or latex based paints can be used with foamular products
- If you're looking to insulate your garage door, Owens Corning Garage Door Insulation Kit is an easy, fast and affordable way to keep your garage warm in winter and cool in the summer.
- If you're looking to ventilate your attic rafters, Owens Corning Raft-R-Mate is a XPS foam vent designed to assure unrestricted airflow from the soffit to the ridge vent.
- FOAMULAR is available in 2 edge configurations
- Square Edge - designed to fit flush next to adjoining boards
- Scored Square Edge - comes with 3 factory scores, so that you can take a 4' sheet, break it in two and have two, 2' wide sheets (middle score), or you can break it into three 16” wide pieces by snapping at the left and right score.
- Click here to shop Owens Corning Foam Board Insulation styles
- Click here to shop loctite foamboard adhesive
- Click here to learn more about Insulation R-Values
- Return Policy
Additional Resources
From the Manufacturer
Specifications
Questions & Answers
45Questions
Q:Can I use this to insulate floors under LVT in my breezeway/mudroom? The space is insulated (walls) but not heated in New England. Would be placed over asbestos tile and under new LVT.
by|Mar 20, 2023
1 Answer
Q:Can I install a floating floor (click together 10mm planks) directly on top or do I need OSB or plywood? This is on top of concrete slab in basement (with vapor barrier) so insulation and height/thickness are big factors
by|Mar 20, 2023
1 Answer
Q:Can I use this board under a hot tub to reduce energy usage? Additionally is this material rodent proof?
by|Mar 11, 2023
2 Answers
Q:I want to put this on top of an outdoor kitchen cabinet & place a 3-inch granite or quartzite slab on it. Will it support the weight? The cabinet dimensions are 96 in by 22 in and it has three 32-in wide sections. The total weight of the stone is 420 lb.
by|Feb 12, 2023
2 Answers
Showing 1-4 of 45
Mar 16, 2023
by
Feb 8, 2023
Goes up quickly. Cuts easily - just score and snap....
Goes up quickly. Cuts easily - just score and snap.
Be aware that it will blow out of the back of your truck on a windy day…so unloaded it all at once or put something heavy on top.
by
Feb 1, 2023
What a great product, easy to cut and even easier...
What a great product, easy to cut and even easier to install
by
Jan 11, 2023
by
Nov 27, 2022
by
Nov 24, 2022
It's foam insulation... I first used a Razor knife to...
It's foam insulation... I first used a Razor knife to cut it, on the 2" thick it created a bevel, so I switched to using a job saw. The cuts were much better
by
Nov 23, 2022
by
Nov 23, 2022
Works great to cut sheet goods on the floor...
Works great to cut sheet goods on the floor
by
Nov 23, 2022
by
Nov 16, 2022
by
Frequently Bought Together
Price:
Compare Similar Foam Board Insulation
 | |  |  | |
| Brand | RMAX | Owens Corning | Owens Corning | Owens Corning |
| Name | Pro Select R-Matte Plus-3, 0.5 in. x 48 in. x 8 ft. R-3.2 ISO Rigid Foam Board Insulation | FOAMULAR NGX F-150 1 in. x 4 ft. x 8 ft. SSE R-5 XPS Rigid Foam Board Insulation | FOAMULAR 1/4 in. x 4 ft. x 50 ft. R-1 Fanfold Rigid Foam Board Insulation Sheathing | FOAMULAR 150 2 in. x 4 ft. x 8 ft. R-10 Unfaced Squared Edge Insulation Sheathing |
| Price | $1992 | $3554 | $5698 | $6000 |
| Ratings | (275) | (30) | (134) | (15) |
| Product Thickness (in.) | 0.5 in | 1 in | 0.25 in | 2 in |
| Insulation R-Value | R3.2 | R5 | R1 | R10 |
| Insulation Location | 2x4 Wall,2x6 Wall,Attic,Basement,Ceiling Insulation,Crawlspace,Exterior Sheathing,Garage,Re-Siding | Basement,Crawlspace,Exterior Sheathing,Exterior Wall,Exterior Wall Foundation | Re-Siding | Basement |
| Insulation Features | Formaldehyde Free | Formaldehyde Free,Moisture Retardant,Mold Resistant,Water Resistant | Formaldehyde Free | Formaldehyde Free |
| Faced or Unfaced | Faced | Unfaced | Unfaced | Unfaced |
| Sheathing Type | ISO | XPS | XPS | XPS |
| Pack Size | 48 | 1 | 1 | 4 |
| View Product | View Product | View Product | View Product |
Related Products
Explore More on homedepot.com
Bath
Doors & Windows
Home Décor
Lighting
Lumber & Composites
