R49 Roof Insulation Thickness

Below is sheet rock ceiling.

R49 roof insulation thickness.

What is the weight of each batt johns manville r49 kraft faced fiberglass insulation batt 24in x 48in x 13 5in. I want to place one insulation batt on each of my dropped ceiling tiles also 24in x 48in. R49 building systems inc. Although these can be used separately along with other types of construction.

As noted above there are lots of higher r value per inch alternatives to fiberglass. If there s still not enough room you can always add a layer of foam board or closed cell spray foam to the top of the roof topped by sheathing or other protective layers. 5 5 r 35 7 5 r 47 effective 4 in 1 structure insulation. Uses the owens corning paperfaced r49 is a flexible fiberglass insulation proposed to control moisture in concealed applications in between the studs and joists.

Owens corning pink insulation is soft to the touch and easy to install. The roof structure is 5 thick overall composite concrete slab over steel deck 3 supported by steel beams. Benefits of insulation on average you can save up to 20 on your home s heating and cooling costs or up to 10 on its total energy costs by adding insulation to attics floors crawl spaces and accessible basement rim joists and by reducing unwanted air leaks all around your house. Is proud to present.

Kraft faced insulation has a vapor retarder that helps to control moisture. Corbond is closed cell and you would need 7 8 of it to get r49. Min weight sq ft. You d have to decide how you feel about foam applied to the roof deck and make sure your inspector will accept an unvented roof assembly.

Where the irc 2009 recommendations for cold climate attic roof insulation have been adopted r49 is the minimum. Max net coverage per bag. Knauf insulation r 49 ecobatt kraft faced fiberglass insulation batt 24 in. Types of insulation insulation comes in many different.

However it is available in pre cut lengths for easy and quick. Bags 1000 sq ft. Product thickness in 13 5 in 3 13 75 in 3 14 in 1 eco options category. Will this be too heavy for the tiles and the whole grid.

I will use about 280 batts. What is your recommendation on the type and thickness of rigid insulation able the slab. Get free shipping on qualified r49 fiberglass insulation or buy online pick up in store today in the building materials department. With a paper facing on one side of the insulation the r 49 paperface batt insulation is smooth and flexible and can be easily cut for installation.