If you have an unfinished attic, your aim will be keeping the rooms below warm during winter and cool in summer. Which means that you would be insulating the attic floor and not the walls of the attic. If you have a finished attic, wall insulation will help in keeping your attic areas more comfortable.

Insulation of Unfinished Attic

If you are thinking about attic insulation in Toronto, it’s important to find the right insulation company and contractors.. The attic is among the primary areas of potential heat loss in homes,so, it is important to remember to insulate the unfinished attic following proper guidelines.

You should start by preparing the attic for insulation purposes by placing the planks or even plywood sheaths across your floor joints which will help in improving mobility to the attic. Ensure that there is no exposed wiring or uncovered electrical boxes. Also, check to make sure that you  have correct ventilation for eliminating moisture retention.Another essential thing to do is install a vapour barrier.  It is vital to ensure you have installed a thin barrier on the underside of your insulation to prevent moisture leakage so that it doesn’t compromise the material. When installing insulation, make sure to use unfaced insulation near chimneys and flues, or when you are adding some insulation on top.

You can then start the installation of fiberglass batts and blankets. Here, you will start with the center of the attic floor and place insulation between joists; it is important toensure there is asnug fit. You should work cautiously so that you do not compress the material as you press it in the correct place.

Insulation of Finished Attic

If you want to insulate a finished attic, it should be done like the other parts of the house, having insulations on both the ceiling and walls. However, a finished attic might already be partially insulated.

A common problem is that mostattics in older homes are under-insulated, making it essential to raise the R-value, or heat flow resistance, if possible. A potential challenge may be that you won’tbe able to access all openings. You may find that the ceiling will not be accessible unless you will remove finished material or drywall. If you arelucky, you may be able to get behind the drywall.

There are two basic concepts that you can use while insulating a finished attic. In a case where your living space needs insulation, you would have to wrap the insulation around the ceiling and walls and continue to meet the floor outside of that living space.

You may also find you need to provide ventilation to an insulated roof, in which case you would need to install rafter vents. For this, you would therefore staple the underside of your roof sheathing between the rafters.

You must allow your roof to breath and therefore, the air needs to blow from the eaves below towards the roof above. This type of ventilation will keep the roof cool during summerand prevent ice dams in the winter that damage the roof.

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