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Johns Manville R-12 fiberglass insulation, 15″ x 47″ x 3.5″, covers 97.92 sq.ft. Non-combustible, formaldehyde-free, easy to install, in stock.
Johns Manville R-14 Fiberglass Insulation (48.95 sq.ft, 15″ x 47″) is a high-performance thermal batt designed to improve energy efficiency and comfort in residential and light commercial spaces. Easy to install between standard framing, it delivers reliable R-14 thermal resistance, reduces heat loss and sound transfer, and helps lower heating and cooling costs. Ideal for walls, attics, floors, and ceilings, it’s lightweight, moisture-resistant, and built for lasting durability.
Buy Johns Manville R-24 Fiberglass Insulation (38.52 sq.ft) from Reno Materials. Fire-resistant, eco-friendly, and easy to install. Fast delivery across Toronto & GTA.
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