Reflective Eps Insulation For Roof Rafters

Insulating an existing roof you can add insulation to an existing metal roof by going into the attic and stapling a foil barrier to the rafters.

Reflective eps insulation for roof rafters.

There are 2 options 1 directly to roof deck above fiberglass southern zone of the usa only benefit r 6 0 summer r 2 0 winter it is easiest to install either 16 or 24 wide product depending on rafter spacing. This is the same stuff your disposable coffee cup and is made out of and it s used to protect fragile items in their packaging. If the shiny side of the barrier faces the roofing. The rolls have a number of 8 foot pieces rolled onto one roll.

Free delivery with 45 order. To be effective the reflective surface must face an air space. Reflective insulation systems such as radiant barriers are effective in reducing heat gain on a surface. Double reflective insulation roll with staple tab edge model st24100 78 67 roll 78 67 roll free delivery.

Radiant barriers and reflective insulation systems work by reducing radiant heat gain. Dust accumulation on the reflective surface will reduce its reflective capability. Eps is used under roofing over foundation walls and beneath siding. The expanded polystyrene eps molders association also offers a free cd rom with a visual overview of eps building applications from wall and floor insulation to roofing and below grade foundations.

If you don t provide air space this product provides almost no insulating value. Reach barrier reflective air garage door insulation kit model 3009 43 78 43 78. The radiant barrier should be installed in a manner to minimize dust accumulation on the reflective surface. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

The paper will fold over the rafter framing thereby allowing for attachment with staples. Reflective insulation installation instructions. Set your store to see local availability add to cart. The fiberglass insulation comes in rolls that are 16 to 24 inches wide.

Begin at the top of the cavity. As reflectix notes in their ftc facts document one layer of reflective insulation with an air gap will provide r6 to r7 protection in summer when the roof is hot from the sun. The insulation should be installed with the paper facing out and attached using staples. The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit.

Loose fill insulation usually made of fiberglass rock wool or cellulose comes in shreds granules or nodules. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. The sun s radiant energy is the main reason why your roof gets so hot especially during the summer months.