Concrete Curing Blankets - 1/2" Thick 6' x 25' - R-4.2
1/2 Inch Concrete Curing Blanket, R-4.2, In Stock
Strong Man concrete curing blankets have reinforced woven poly skins over a bubble cell layered core, reaching R-4.2 when laid over a frame during concrete curing. The perimeter hems are folded and double stitched with UV resistant thread and reinforced with grommets on the corners and long side centers. Use them to cover a pour overnight, hang them as a windbreak, or run them as a temporary insulated curtain barrier.
This is the half inch blanket to buy when the pour is scheduled and the truck is coming. It ships in 1 to 2 business days.
The Air Valve
This blanket has a valve built into the skin. The stated R-4.2 depends on an air pocket forming beneath the blanket, and the valve lets you manage that pocket rather than leaving it to chance. On a framed setup it helps the blanket seat evenly instead of ballooning. On a flat lay it lets trapped air out so the blanket sits down against the surface. It is a small detail that makes a real difference on a windy site.
Specifications
Skin Material: Woven Reinforced Polyethylene, 8x8 Scrim
Poly Thickness: 8 Mils
Insulation: Bubble Cell Layer Cores
Grommets: Set on corners and middle of long sides, 6 total
R-Value: R-4.2 (with air pocket and valve)
Size: 6' x 25' (finished size is slightly smaller than the size shown)
Quantity: 1
Color: Black
Usually ships in 1 to 2 business days.
Concrete curing blankets are not refundable.
How This Compares to Our Domestic 1/2 Inch
We make a heavier half inch blanket in our own plant that reaches R-5.7. It uses thicker poly PE foam over heavier skins, and it is the better blanket if you are dealing with sustained hard cold or a spec that calls for a specific R-value. The tradeoff is lead time: it is built to order and currently runs 25 to 35 business days.
This Strong Man blanket is the in-stock alternative. R-4.2 instead of R-5.7, at a lower price, available now. For most winter pours in most of the country, that is the trade worth making. If you are ordering ahead of the season, look at the domestic R-5.7 build instead.
Sizing Your Order
Overlap blankets by at least 12 inches at the seams and carry coverage past the slab edge, since edges and corners lose heat fastest. Finished sizes run slightly smaller than the nominal size, so buy to the area you need covered rather than to nominal square footage. If you are covering a large slab, ask us about the bulk 25-pack pricing.
Questions
Call 800-678-1900 Monday through Friday, 9 a.m. to 5 p.m. Central and our inside sales staff will help you match the blanket to your pour schedule.
INSULATED TARPS
| SIZES L x W (FT) | 6 x 25, | |
| COLORS | Black | |
| BRAND | Strong Man | |
| SKIN MATERIAL | 8 Mil Thick - Reinforced Woven | |
| INSULATION | 2 Layers of Bubble Foam Insulation | |
| R - VALUE | R-4.2 (During Concrete Curing with Air Pocket) | |
| GROMMETS | On Perimeter, All Sides Every 24" | |
| DETAILS | Sides, Modular | |
| TEMPERATURE SEPERATIOIN | Up to 26 F Degrees of Separation |
More Info on Quick Ship Concrete Curing Blankets from Steel Guard Safety More Info on Insulated Tarps from Steel Guard Safety
1/2 Inch Concrete Curing Blanket FAQs
What does the air valve do?
The stated R-4.2 depends on an air pocket beneath the blanket. The valve lets you control that pocket instead of leaving it to chance. Framed over a pour, it helps the blanket seat evenly rather than ballooning in wind. Laid flat, it lets trapped air escape so the blanket sits down against the surface. Either way you get a more consistent result than a blanket with no way to manage the air underneath it.
Why is this R-4.2 when your other 1/2 inch is R-5.7?
Different construction. This blanket uses a bubble cell layered core under 8 mil reinforced poly skins. Our domestic half inch uses thicker poly PE foam under heavier skins, which is where the extra insulation comes from. Same nominal thickness, different builds, different numbers.
Which one should I buy?
If your pour is scheduled and you need blankets on site this week, buy this one. It ships in 1 to 2 business days. If you are ordering ahead of the season, or you are working in sustained hard cold, or the spec calls for a stated R-value above 5, order the domestic R-5.7 and plan for a 25 to 35 business day lead time.
Does the R-value hold if I lay it flat on the slab?
No. The R-4.2 rating assumes an air pocket beneath the blanket. Laid directly on the surface with no gap, the blanket still insulates but the effective value is lower than the rated number. On flatwork where framing is not practical this is normal, and it is worth accounting for when you decide how much insulation you need.
How many do I need for my slab?
Overlap at the seams by at least 12 inches and carry coverage past the slab edge, since edges and corners lose heat fastest. Finished size is slightly smaller than 6 by 25 feet, so buy to the area you actually need covered rather than to nominal square footage.
Can I reuse these?
Yes. The reinforced poly skins and double stitched UV resistant hems are built for multiple seasons. Let the blanket dry completely before folding and storing it. Storing wet is the fastest way to ruin one.
Can I use it as a windbreak or curtain?
Yes. The six grommets on the corners and long side centers are there for that. Contractors hang these vertically to close in a work area or block wind off a pour, then use the same blankets flat overnight.
Is it returnable?
No. Concrete curing blankets are not refundable. If you are unsure which thickness or size you need, call us before you order and we will work it out first.
Why Buy From Us
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We Put Our Customers First to us. If it doesn't fit, it breaks, you've changed your mind or for no reason whatsoever simply send it back to us and we'll cheerfully refund you every cent. |
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Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
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In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. |
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We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
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