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Insulation Gilroy California

(408) 413-1421

What are the benefits of roof Insulation?

Insulation traps temperature, which saves on heating and cooling costs. A well-insulated home is less drafty and can make living spaces more comfortable in the extreme winter and summer temperatures. Imperfections in your roof (screws or shingles, for example) can cause damage to siding and interior walls with accompanying leaks.

Highly insulated roofs provide a barrier against this type of damage. Saving on heating, cooling and repair costs; increased comfort; protecting exterior surfaces from water infiltration. A well-insulated home is less drafty and can make living spaces more comfortable in the extreme winter and summer temperatures. In addition, insulation traps temperature, which means that it saves money on heating and cooling costs. Imperfections in your roof (screws or shingles, for example) can cause damage to siding and interior walls with accompanying leaks. Highly insulated roofs provide a barrier against this type of damage.

How to determine if your roof needs insulation

If the roof is exposed, you can check for areas where there's less or more insulation by removing a small amount of material. If shingles are absent, place a ruler vertically against the exposed wood substructure. If the exposed area below the ruler feels cold, then you know that there's less insulation on that particular section. To confirm this finding, run your hand horizontally across all exposed surfaces. Areas with greater amounts of exposed surface will be colder than those with smaller amounts of exposed surfaces. Checking on-the-surface insulation levels with a ruler and running hands crosswise over exposed roofs will tell you whether they need additional insulation.


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How does roof Insulation work?

Insulation works by trapping air in small pockets that reduce heat transfer from hot areas to cold areas until the thickness of the insulation is greater than the thermal conductivity of its surroundings.

The insulating material in a roof is a layer typically made from materials such as felt, fiberglass or polyurethane foam. Insulation provides a form resistance to heat transfer and attenuates noise.

The air does not have to be still, but may flow through natural convection currents created by temperature gradients between warmer and cooler parts of the space under consideration, such as rooms or buildings.

In small quantities at normal temperatures, used around refrigeration coils where all surfaces are well insulated already because they are maintained at close to the same temperature, air is still a good insulator. In the winter of 1918, during WWI inside unheated, uninsulated buildings in Zabłotów near the present-day border of Poland and Belarus, temperatures were low enough to freeze water inside cracks in windows by trapping it in tiny pockets of still air.


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