Proper Roof Insulation

Insulation level are specified by r value.

Proper roof insulation.

The higher the r value the higher the insulating value. Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering. But its open cell structure still allows moisture to escape. But there are small improvements many homeowners overlook that can make a huge difference.

Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. The higher the r value the better the thermal performance of the insulation. Proper insulation is the best way to maximize comfort and minimize energy bills. Your roof works as a system proper attic insulation and a properly ventilated roof work together to keep your home cooler and more energy.

A vent baffle should be installed between the insulation and the roof decking to maintain the ventilation channel. You put a lot into keeping your home running. The most proper insulation level to use on ceilings are r 30 batts that are as thick as r 25 batts but fit into a 2x10 framing. For the same reason insulation shouldn t touch the roof s underside.

An important part of installing any system of ventilation into your roof system is to make sure that there is a point of entry and a point of exit for airflow. R value is a measure of insulation s ability to resist heat traveling through it. Insulation puts the money back in your pocket by protecting your home from the elements and lowering energy costs. Owens corning attic insulation can bring multiple benefits to homeowners including cost savings maintenance benefits and increased comfort.

As a homeowner it is important that you review the soffit areas of the home for soffit vents. Insulation is rated according to its r value or resistance to heat loss. Get the most out of your home with proper roof insulation. Similarly in coastal environments or in regions with lots of rain and wind moisture can be forced.

In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. See the department of energy s doe ranges for recommended levels of insulation below. Standard fiberglass insulation has an r value of about 3 5 per inch of thickness fig.

This provides an insulating value of r 11 for 2 4 walls and r 19 for 2 6 walls. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.