Performance Testing of Radiant Barriers (RB) with R11, R19, and R30 Cellulose and Rock Wool Insulation

2. What I s the reduct ion I n c e i l i n g heat f l u x from low-emlsslvi ty p a l n t s appl ied t o the TVA has p rev ious ly conducted t e s t i n g t o underside o f the r o o f deck? determine the e f f e c t s o f a t t i c RBs when used w i t h R19 3. How much o f the reduction I n c e l l l n g heat f l be rg lass I n s u l a t i o n durlng summer and wlnter f l u x from the RBT I s due t o reduct ion I n condltlonsl. This prev lous test ing, and the I n f r a r e d r a d i a t i o n and how m c h t o i t s t e s t i n g described i n t h i s paper, used f i v e small t e s t presence as a b a r r i e r t o convectlon heat c e l l s exposed t o ambient condit ions. Heat f l u x t r a n s f e r ? transducers measured heat t rans fe r between the a t t l c and cond i t loned space. The ob jec t i ve o f the t e s t l n g PROJECT DESCRIPTION descrlbed i n t h i s paper was t o determine summer and winter RB performance when used w i th ce l lu lose and OBJECTIVES rock wool Insu la t lons a t R-value leve ls of R11, R19, and R30. The o v e r a l l objectives o f t h i s p r o j e c t were to: I n addl t i on , several sumner side-by-side t e s t s 1. Assess the sumner and w ln te r performance of were conducted t o determine the ef fects of: dust on RBs when used w i t h R11, R19, and R30 RB per fonance, a low-emlsslvl ty pa int , a Insulat lon. high-em1 s s i v i t y mater i a1 (black p l as t i c ) 1 a i d 2. Assess t h e sunmer and w i n t e r performance o f d i r e c t l y on top o f the Insulat lon, and a single-slded RBs when used w i t h nonflberglass Insulat lons RB placed on top o f the Insu la t ion (RBT) w l t h the -ce l lu lose and rock wool. r e f l e c t l v e s lde down. 3. Address quest lons concernlng low-emlsslvl ty pa ints , t h e Impact o f dust on reduct lon i n