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.

Proper roof insulation installation.

If using faced insulation keep the paper vapor retarder facing up and against the subfloor. In most climates it needs a vapor barrier. Then cover the entire roof with a layer of insulation and secure it with a staple gun. For proper installation of roof insulation you need to do it before the roofing goes on.

This guide to proper attic insulation can help. 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. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. The batts are precut to fit into cavities on standard 8 foot high walls.

Wear appropriate safety. Insulation puts the money back in your pocket by protecting your home from the elements and lowering energy costs. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. Before you install metal roofing repair any damage to the wood under the shingles.

Kraft faced or paper faced insulation comes in batts and long rolls. You put a lot into keeping your home running. Install a layer of roofing insulation as recommended by the roofing manufacturer. Start at one edge of the crawlspace and install the insulation between the floor joists.

Get the most out of your home with proper roof insulation. For the same reason insulation shouldn t touch the roof s underside. 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. Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Make sure each run contacts the insulation you installed at the header band joists. 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.

Use proper fall protection equipment and be certain the system is anchored to your roof studs correctly. For vaulted or cathedral roof construction provide a free ventilation path from eaves to ridge between all rafters. If you want to add foil insulation to an existing roof you can still do it by going into the attic and.