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The gauge of the efficiency of any insulation is its R-value. Efficiency is designed to stop the flow of heat. The more warmth the insulation stops, the larger the R-value of that insulation. When comparing to fibreglass batt insulation, spray foam insulation features a higher R-value at a given depth. Put simply, 2 inches of spray foam will insulate your roof better than 2 inches of fibreglass batts. Cellulose fill, often blown-in or used manually, even offers a greater R-value than fibreglass batts at the same width. But, again, the R-value of spray foam insulation is practically twice as high as cellulose complete insulation of-the same width. As impor-tant as R-value is in how effectively insulation works, it is perhaps not the only factor when choosing the top roof insulation. Moisture will cause both fibreglass batts and cellulose fill to get rid of R-value. Learn further on our affiliated portfolio - Browse this hyperlink close remove frame. Also slight humidity, which you cant see or feel, may decrease the R-value of fibreglass batts. Neither fibreglass batts or cellulose load insulation may seal every space in your top. Heat may go through the open holes and this reduces the R-value of the efficiency, even though the R-values detailed for fibreglass or cellulose do not just take this into consideration. In other words, the particular R-value of mounted fibreglass batt or cellulose fill roof insulation is lower than the detailed R-value. Spray foam insulation is not affected by humidity. The truth is, it can stop small leaks since, when its applied, spray foam insulation advances to close your top and fill every gap. Toxins and other airborne irritants which may get through the gaps left by batts and load are held out by spray foam insulation. Perhaps most readily useful of all, insulating your ceiling with spray foam insulation costs in regards to the same as other insulations. The spray foam roof insulation specialists at Foam Comfort possess the experience you should obtain the most from your own insulation..