Floor Insulation Depth

In the average home approximately 10 of the heat loss is through the ground floor.
Floor insulation depth. Floor insulation insulation uk offer a variety of high performance insulation products suitable for floor applications. For future reference here is the cavity depth you need for some common insulation r values. They keep the depth of the floor construction down meaning less excavation and are easily handled and laid to quickly insulate large areas. Kingspan vips offer an ultra thin build up of just 26mm image credit.
3 5 inches r13. U value calculator start your u value calculation use the calculator. This calculator is to be used as an estimating tool only. So we extended our rafters with some two by fours giving us the space to increase our ceiling insulation to r30.
Therefore insulation as a means of reducing heat loss is typically installed on the ground floor. If your loft insulation was installed some time ago there s a good chance it s less than that. 9 inches r30. Lightweight rigid polyisocyanurate pir foam insulation boards such as those manufactured by celotex are among the most thermally efficient commonly available insulation materials.
Kingspan installing insulation on top of the floor can present problems with ceiling door and window cill heights. 12 inches r38. Kingspan s new range of vacuum insulated panels vips offers an interesting solution for those needing an ultra thin build up. 6 inches r19.
Input depth of existing blown in insulation in inches. Shop insulation accessories. R value is a measure of insulation s ability to resist heat traveling through it. However it may also be provided in upper floors between heated and unheated areas.
Floor insulation designing buildings wiki share your construction industry knowledge. The higher the r value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Click the button to calculate the approximate r value for this job.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. Please enter depth in inches please enter depth in inches. The recommended depth for blanket style insulation is between 250 and 270mm.