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OPTIM-R is Kingspan’s thinnest insulation. It comprises of a rigid vacuum insulation panel (VIP) with a micro porous core which is evacuated, encased and sealed in a thin, gas-tight envelope which gives an outstanding thermal conductivity of 0.007 W/m.K.
What is the thinnest material with the highest R-value?
Thermablok® Aerogel is a revolutionary advancement in thermal technology offering the thinnest insulation available to prevent thermal and cold bridging. Classed as a Super Insulation, Aerogel has the highest insulation value of any known material with the lowest thermal conductivity value of any solid (0.015W/mK).
What is the R-value of 2 insulation?
R-Value Chart for EnerfoilTM Rigid Foam Faced Insulation Thickness (Inches) R-value (in I-P/Imperial) RSI (R-value in Metric) 1.0 6.2 1.08 1.5 9.3 1.62 2.0 12.4 2.16 2.5 15.5 2.7.
What insulation has highest R-value per inch?
Vacuum insulated panels have the highest R-value, approximately R-45 (in U.S. units) per inch; aerogel has the next highest R-value (about R-10 to R-30 per inch), followed by polyurethane (PUR) and phenolic foam insulations with R-7 per inch.
What insulation has best R-value?
USA Premium Foam® has the highest R-Value in its class. Our proprietary USA Premium Foam Insulation has a superior R-Value of 5.1 per inch, which is 35% higher than any retrofit stud wall application. In fact, it’s the highest on the market.
What is the R-value of logs?
The R-Value of Wood In a solid log wall, the logs provide both structure and insulation. The R-value for wood ranges between 1.41 per inch (2.54 cm) for most softwoods and 0.71 for most hardwoods.
Does plywood have an R-value?
The short answer is “no,” at least, not compared with products designed to provide insulation from cold and heat. Even so, plywood products do offer minimal R value, along with structural benefits. In general, one inch of solid wood is considered to have an R value of 1. The general plywood R value per inch is 1.25.
What is the R value of 1 inch Styrofoam?
The polystyrene is expanded. Styrofoam insulation is the cheapest material. R-values can range from 3.6 to 4.2 per inch.
What is the R value of 10 inches of insulation?
R-value of Materials and Depths Material R-value/in 10″ Fiberglass (batt) 3.1 – 3.4 31.0 – 34.0 Fiberglass blown (attic) 2.2 – 4.3 22.0 – 43.0 Fiberglass blown (wall) 3.7 – 4.3 37.0 – 43.0.
Is R 19 insulation Good for attic?
Most homes only have R19 in attics. To give you an idea that’s only 5 1/2 inches of insulation. That’s ok for your walls. So by adding another R19 “5 1/2 inches will give you an R38 value.
What is the thinnest most effective insulation?
OPTIM-R is Kingspan’s thinnest insulation. It comprises of a rigid vacuum insulation panel (VIP) with a micro porous core which is evacuated, encased and sealed in a thin, gas-tight envelope which gives an outstanding thermal conductivity of 0.007 W/m.K.
What is the highest rated wall insulation?
Closed cell foam has the highest R-value of any insulation, around R-6.2 per inch, but can be expensive; open-cell foam insulation values are around R-3.7 per inch of thickness.
Is a higher R-value better?
Buying Insulation “R” means resistance to heat flow. Here’s what to know: The higher the R-value, the greater the insulating power. Almost all insulation products have to tell you their R-value — including duct wrap.
Is R30 insulation better than R19?
Inside your home, the warmer air is higher pressure air, and wants to move, or transfer to lower pressure, cooler air outside. Insulation in your walls and ceilings slows down this heat transfer. So R19 is better insulation than R13, and R30 is better than R19. The larger the R value, the better the insulation value.
What is the best R value for 2×4 walls?
They are available in widths suited to standard spacings of wall studs and attic or floor joists: 2×4 walls can hold R-13 or R-15 batts; 2×6 walls can have R-19 or R-21 products. Loose-fill insulation—usually made of fiberglass, rock wool, or cellulose—comes in shreds, granules, or nodules.
What type of insulation is the most energy efficient?
Spray foam insulation is the most energy-efficient insulation to create an air barrier in the attic. Certain spray foams can expand up to 100 times its original size, so it fills all of the nooks and crannies in the attic.
What is the R-value of 1/2 inch drywall?
0.45 Material R-Value (ft 2 o Fh / BTU) 1/2 inch Gypsum Board (Drywall or plasterboard) 0.45 Wood Siding, 1/2 inch 0.81 Plywood, 3/4 inch 0.94 Insulating sheathing, 3/4 inch 2.06.
Are logs good insulators?
Logs are excellent insulators with naturally-occurring air pockets that hold heat and cold to maintain consistent temperatures. Using eco or water-based stains in conjunction with natural log walls provides a healthy living environment.
Do log houses need insulation?
Do log cabins even have insulation? Log cabins can be really warm year-round if they’re built well. But a traditional log cabin doesn’t have insulation—the logs are the insulation. A 6-inch pine log has an R-value of about 8.4 which insulates less than stud-framed walls that have an r-value of about 14.
Does Tyvek have an R-value?
1. Tyvek®weather barriers resist bulk water penetration, helping to establish a tight building envelope to keep insulation dry. This helps wall insulation perform to its stated R-Value.
What is the R-value of 1/4 inch plywood?
1.25 Material R/ Inch hr·ft2·°F/Btu R/ Thickness hr·ft2·°F/Btu Plywood 1.25 1/4″ 0.31 3/8″ 0.47 1/2″ 0.63.
Does a vapor barrier have an R-value?
Its closed-cell structure stops water and water vapor, resists compression, and holds its R-value over time. Must be protected from solvents and sunlight. Flammable and must be protected from fire with drywall or plaster. Vapor barrier needed: No, if packed to a density of at least 2.6 lb./cu.
What is the R-value of 2 inches of Styrofoam?
A wall utilizing STYROFOAM T-MASS Technology with a 2-inch exterior layer and a 4-inch interior layer of concrete along with a 2-inch layer of STYROFOAM extruded polystyrene insulation would result in a material R-value of approximately 11.33.
Does a 2×4 have an R-value?
Cavity insulation, like framing, has options. A 2×4 wall cavity can be insulated from R-13 to roughly R-25. A 2×6 wall can be insulated from R-19 to R-39. Material selection, density, and cavity depth all play a role in the “cavity” R-value of a wall.
What is the R-value of 1 1 2 rigid insulation?
This product typically has an R value of 3.6 to 4.0 per inch of thickness.
