Insulating Tongue And Groove Roof

Thermacal 1 ventilated roof insulation panels the original ventilated roof insulation performing on roofs all over america since 1987.

Insulating tongue and groove roof.

Foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. Building a structural tongue and groove roof deck. Moisture goes right through fiberglass and will condense on the cold underside of your roof.

I ve seen a lot of problems with insulated cathedral ceilings especially those with tongue and groove planks instead of sheet rock. The insulation for exposed rafters is installed on the exterior side of the finish ceiling. Tongue and groove board edge to reduce gaps and eliminate drafts. Tongue and groove roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now.

Styrofoam brand tongue and groove extruded polystyrene foam insulation xps features tongue and groove edges on all four sides of 2 x 8 boards 1 thick or less and on the long edges of all other boards. Because of potential moisture issues i would personally never use a loose insulation like fiberglass in these ceilings. Strong lightweight pink foam panels don t require special tools. Among other things this video covers how we re doing the insulation in a way that leaves the framing and.

This is often a layer of tongue and groove boards nailed to the exterior side of the exposed rafters. The house has a cathedral ceiling throughout with tongue and groove boards attached directly to the roof joists. Over 86 open for up the slope ventilation. Find all the facts and ideas about it in this article before you install one for your home design.

The lightweight moisture resistant and thermally efficient type iv extruded polystyrene foam insulation is suited for a wide range of residential and commercial construction applications. The largest vent cross section available 10 sq in. There are currently old fiberglass batts up there for insulation right on the tongue and groove boards with some space above the fiberglass for air to pass through we have large continuous soffit vents on the front and back eaves and a continuous ridge vent. Ceilings such as this are usually insulated with six or eight inches of rigid insulation on top of the tongue and groove then a layer of plywood is screwed on thru the insulation to the tongue and.