Our Concrete Curing Blankets with the 6 mil Poly skins have an R-Value of 7.7. The skin is a woven reinforced poly with the topside Black and the underside Silver. Bubble and a reflective layer are use as insulation between the poly skins. Grommets are spaced approx. every 8' along the 25' sides and in the corners.

Works well for insulating over septic lines to keep them from freezing.
Also used for keeping ground soft for cold weather concrete pouring.

CONCRETE CURING BLANKET - R 7.7
Skin Material: Woven Reinforced Polyethylene
Poly Thickness: 6 Mils
Insulation: Bubble / Reflective Layer
R-Value: R7.7
Size: 6' x 25'
Color: Black Side Up / Silver Side Down