Do You Use The Attic Baffles With Rolled Insulation

Putting baffles in your attic is a crucial step in installing attic insulation.

Do you use the attic baffles with rolled insulation.

Glass fibers in wide puffy sheets with or without a paper or aluminum face. Wall insulation keeps out cold. In addition to offering airflow in your attic space baffles keep attic insulation off your roof deck which is especially important for cold michigan winters. Must be measured and cut to fit walls or flat surfaces.

Well unless you have an older home with no insulation in many cases it isn t the actual wall but a popular cost saving measure that is taken by many contractors no attic baffles being installed with a vented soffit. Which baffles should you buy. The beauty of attic baffles is that they are available from most home improvement stores and can be installed simply with a few staples if you want the diy approach. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.

The baffles block insulation from covering up the soffit vents where it can reduce the flow of fresh air into the attic. Stops heat loss into your attic. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. Attic baffles how they work.

Why do you need it. The book that helped us build and renovate. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless. The foam baffles hold up in michigan s humidity whereas cardboard baffles can absorb moisture causing them to fall and be ineffective.

If you want to insulate the rafter bays rather than the attic floor in order to make the attic a heated space baffles are even more important for proper air circulation. Attic ventilation is more effective when you have blown in attic insulation and attic baffles.