Roof Insulation Fluff

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Roof insulation fluff.

Fire block foam insulation. With this kind of roof the insulation follows the slope of the roof. Fire block foam is a fire resistant foam spray used to seal building floor wall or ceiling penetrations especially in new construction or a spray foam insulation retrofit job. Box out light fixtures.

The insulating effect of cellulose fibre ceiling insulation is a result of the transference of heat being retarded by the many air cells within the fibres when its pumped in its fluffed slightly so that its also got air locks between the fibres. Insulated roof assemblies can be vented or unvented. Before putting each piece in place simply shake it out gently. Water is insulation s enemy.

The tendency is to forcibly stuff insulation in place the. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow. This is an insulation material made from recycled paper and there are no minerals. The material looks like shredded grey paper.

See fire block fire retardant foam spray building insulation. Cellulose insulation has an average. Vermiculite loose fill insulation is one of the most common household materials that contains asbestos. Vermiculite insulation has a pebble like appearance and typically is a grayish brown or silvery gold color.

A downside to cellulose is that if it gets wet from a leaky roof or pipe it can lose its fluffiness and become soggy and compacted which reduces its r value. Here s a technique to remember. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. A glass product fibreglass always has a little shine when subjected to bright light.

If the loose fill insulation is white and fluffy with a little shine then that is fibreglass insulation. A roof over a vented unconditioned attic does not need to include any insulation. However most cathedral ceilings and low slope flat roofs are insulated roof assemblies.