Proper Roof Insulation Installation

Start at one edge of the crawlspace and install the insulation between the floor joists.

Proper roof insulation installation.

4 install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Use proper fall protection equipment and be certain the system is anchored to your roof studs correctly. Install a layer of roofing insulation as recommended by the roofing manufacturer. Install baffles providing a minimum of 1 inch of clear space between framing and or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. But there are small improvements many homeowners overlook that can make a huge difference. You put a lot into keeping your home running. Get the most out of your home with proper roof insulation.

In most climates it needs a vapor barrier. Before you install metal roofing repair any damage to the wood under the shingles. Fiberglass batts the insulation found in most houses in the u s are inexpensive and quick to install. This guide to proper attic insulation can help.

Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. Make sure each run contacts the insulation you installed at the header band joists. The batts are precut to fit into cavities on standard 8 foot high walls. In fact if your roof s pitch is steep enough to allow access to the eaves you can install a slanted board baffle at the end of each joist run.

If using faced insulation keep the paper vapor retarder facing up and against the subfloor. Kraft faced or paper faced insulation comes in batts and long rolls. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Like other batt type insulation fiberglass has a predictable r value if not compressed but is difficult to fit around obstacles without leaving gaps.

Wear appropriate safety. If you want to add foil insulation to an existing roof you can still do it by going into the attic and. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. Insulation puts the money back in your pocket by protecting your home from the elements and lowering energy costs.

The insulation should fit snugly against the subfloor and between the joists. Then cover the entire roof with a layer of insulation and secure it with a staple gun. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife.